The Fourth Dimension

4.8 (1.8K)
5.5 MB
Age rating
Current version
Lunar Skydiving LLC
Last update
2 years ago
Version OS
12.0 or later
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User Reviews for The Fourth Dimension

4.83 out of 5
1.8K Ratings
5 years ago, Nod-n-Grin
I have been a math geek since I was four years old (Eisenhower, the last great, or even good, Republican president was still in his first term) and I became an amateur topologist and horologist not long after. This app not only makes an extremely obtuse and non intuitive topic accessible, it also manages to make it enjoyable and...dare I say it: FUN ! I have shared this app with my nephews and nieces AND their children (some as young as 5 years old) and it has always elicited excitement, curiosity and many, many questions. It will be interesting to see how their very early exposure to easily accessible and yet extremely abstract concepts affects their abilities to process and assimilate abstract and obtuse ideas going forward (or, in this instance, rotating outward and folding up...). I do, however, have one suggestion...although the two pages where you ‘hack’ the optic chiasma (meld two images into a “3-D” facsimile) work fine on my iPhone and my iPad Mini they don’t do well on standard sized iPads. My arms, and I’m 6’4” tall, are too short to hold the screen far enough away to fix and hold the images in place while manipulating the conjoined image. If you were to make an iPad-friendly version of those two pages, one in which they are just a little bit closer together, it would vastly improve the experience.
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1 year ago, ErikSF999
Now I understand why Dali painted the hypercube the way he did. I had a poster print of that painting on my wall 45 years ago, but wound up studying language instead of math. I’m still a math geek in my spare time, but for some reason I’d never gotten around to trying to manipulate a hypercube in 3 dimensions. I would say my education is complete, but it never will be, of course. But thanks for filling in this part—I’ll be seeing how many odd 3-D shadows I can make from this. And wondering about representing five dimensions in three. Since, after all, this 3-D tesseract is only really projected onto my 2-D iPad screen, so both the third and fourth dimensions are illusions of perspective.
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6 years ago, Jophan
I've been reading about the fourth dimension for decades, but never understood or pictured it as well as I do now thanks to this ingenious app. It really deserves to be better known and more widely appreciated. It makes brilliant use of both the iPad's ability to show animation and its multi-touch interface. I hope the developer will consider extending the app to cover other 4D shapes. He's also made himself the obvious person to create an interactive version of Abbot's classic, FLATLAND. In the meantime, get this app, and break through the walls of mere 3D perception. If this topic interests you at all, you won't regret it.
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5 years ago, This nickname is already taken. Please choose another.
One of the Best Apps, Period
This review is long overdue but this app deserves all the praise in the world for explaining such tricky topics with so much art and clarity. As the saying goes, I’m not a numbers guy – I love science and math on principle but I’ve always been more qualitative – and this app rendered what for me have always been very tricky concepts in an easy to understand way. Plus the design is gorgeous and the atmospheric soundtrack give the subject matter the simplicity and mystical grandeur it deserves! Thank you for continually updating the app with each iteration of iOS. It’s a treasure - keep it alive!
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3 years ago, Cedar Park Tx
Brilliant - Helped me with experiments
Ok, I realize this will probably be the strangest review you’ve ever received. For years I’ve been filming objects that we don’t yet understand - those UAPs the Navy pilots filmed and other anomalies. I filmed an object that was changing shape in unpredictable ways, that is until I got this app! Now I have a much better understanding of how a 4th or other-dimensional object might behave at the boundary with our 3rd dimension world. This is the best explanation I’ve come across and is well worth the money!
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6 years ago, thecodingturtle
This is one of the most interesting apps I have ever purchased. It guides you through everything to make it easier to understand, but the real value comes from being able to move the shapes around yourself. The graphics are excellent as well. This app is perfect for anyone who wants to gain a basic conceptualization of the 4th dimension.
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7 years ago, Mareebzx
I just HAD to review this.
I NEVER write reviews for apps. But this one is amazing. I was hesitant to spend the money on it but I am so glad I did. I truly feel like I have a better understanding of the fourth dimension because of this silly little app. The app writer is a genius. Thank you sir for this. Now we need one for the fifth dimension and beyond... 😀
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6 years ago, Anti Mega Knight
I don’t even know what to say. If every class I ever took in school was like this... Wow. I love how you explained a 4d shape using a 3D shape, which everyone could understand. The only thing I’m confused about is... does the 4th dimension really exist, or is it just a theory? Despite all that, please make an app to explain pentachorons! (Which is basically this but with triangles). Gets 4 stars because it’s not quite worth $2.99... maybe 99 cents or $1.50.
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6 years ago, B-dawg 22
Just short
I think it’s super cool, informative, interactive, a great idea put together well the list goes on. However, I do feel as tho it was just missing something. Another comparison or way of looking at the tesseract or something. Just fell short of 5 stars just because I feel like something is missing and I don’t believe it’s worth 2.99. Kinda pricey for the length of the “lesson”. Only worth 1.49 at most imo.
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3 years ago, Ted ned fredy
Cool! I have some suggestions.
This app is awesome! It would be really cool if after doing the steps you could just play with a tesseract. It would also be cool if there were other four dimensional shapes you could play with until your brain hurts.
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6 years ago, QuarkUnit
Interesting and fun
If you ever wanted to play with a tesseract, this is the app for you. It’s interesting to learn about the 4th dimension and it’s also fun. I like to stretch the resseract all out of shape in 4D mode then try to return it to its original shape when viewed again in 3D. It’s like playing with a Rubik’s cube in Salvador Dali land.
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6 years ago, realdavidmckee
Literally thinking outside the box
This app is amazing!! Somehow the devs managed to teach us the complexity of a 4D tesseract through amazing 2-dimensional illustrations and interactive segments. Not dumb stuff either, one of them makes you cross your eyes to 3D-ify your phone's screen. Way to think out of the box, QUITE LITERALLY!
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6 years ago, Antonimat
So obvious now!!
Great app worth its money! Can get to next level by supporting VR (HMD view with head tracking and control from watch or other phone) view and/or AR. This will allow easier 3D reasoning. I have personally used Google Cardboard for stereo view and it worked fairly well.
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5 years ago, Bordwell
Very well done
I’m no math geek, but this basic tutorial gave me a 3D understanding of the 4th dimension. Nice interactive graphics allow you to get a perspective of not only 4D, but how a 4D item brought into a 3D world by shadows helped me to better visualize this difficult concept to wrap my puny brain around.
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1 year ago, Luhvhj
What makes sense?
A line needs 3D to exist. Therefore the demos are useless in explaining what they are trying to explain as they always have to use a 3D line to make drawings. Wish someone would explain that……
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4 years ago, HarpBreaker Martini
Interactive! No glitches
Interactive! I’ve watched videos on tesseracts but to be able to move it yourself you are able to truly comprehend how it functions. The 3D element at the end brought me back to Magic Eye :)
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7 years ago, Husks baby
Worth the purchase. Allows insight.
Thanks for producing this app. I would like to see the remainder of the Platonic solids as shapes that we (the user) could interact with. I believe this would provide a complete experience. Thanks again.
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6 years ago, S. Koziol
Oh my!
I very rarely buy apps. I bought this one. I very rarely review apps, I am reviewing this one. In a word ‘mind-blowing’ and I am still not certain I understand it. However I did enjoy the hell out of it!
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7 years ago, Sus4n2
Now I get it!
This app is excellent. It really teaches and explains clearly and visually so you understand. The developer of this app has a gift for teaching. From a spiritual perspective, you can see spiritual vs natural easily using this app. Great job!
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7 years ago, GuyM458
One of the most amazing apps I have purchased on the App Store, Highly recommended. Would love to see more apps like this from this developer regarding the 4th Dimension and perhaps other scientific subjects.
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4 years ago, Trey (T.E.B.)
I love this app!
I hope you can make a 5D app because I want to know all of the 5D shapes okay? Can you also add more 4D shapes to the app then only the tesseract? I always wanted to see more 4D shapes like the simplex/5cell. (5 faces)
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7 years ago, jingle_jangles
Beautiful app
As an app developer myself, I gotta say I'm pretty impressed. This is a well written app, and has pretty thoroughly explained a concept I've struggled to explain to friends for years.
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6 years ago, whysly
Sometimes hard to read
The font size could be larger.
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7 years ago, CEO777
This explains the spiritual dimension
This presentation opened up my mind to believe that there is another dimension beyond or 3 physical dimensions plus time dimension plus mass (energy) dimension— a spiritual dimension. Thanks for explaining the spiritual world to me.
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2 years ago, yosunc
I want to interactively unfold a tesseract
How do you peel off its volumes the same way one would the surface area of a regular 3-space cube?
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6 years ago, Sh,gfrckmimky
Very interesting
This is only my first time but I look forward to seeing it again tomorrow
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6 years ago, geolab104
For free not bad
Worth it but. I have suffered through quantum physics so not sure hot others might rate it. Seen stranger things. But for a 1 o2 year physics major ok. Missing flatland square but that is copy writed I guess. From Sagan’s original Cosmos’s
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6 years ago, BiosTheoretikos
One of the coolest apps I’ve tried in a long time
This has got to be one of the coolest pedagogical uses of technology I’ve seen in a while.
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7 years ago, MagpieStrainge
Please make a whole series! I feel like I understand tesseracts so much better, and I would love to learn more.
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7 years ago, Sina.TM
Got it for free but would've gladly paid for it. I basically LOVE IT!!! Amazing how the developers were able to simplify (to quite a great extent) such a complex subject i.e. the fourth dimension.
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6 years ago, aesone
If you are interested in other ways of perceiving, you’ll enjoy this app very much.
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6 years ago, kirockplace58
It helped
I felt really stuck in life and silently prayed for another way to view the world that I inhabited. The 4th dimension was my answer.
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7 years ago, Ghfcsetrhb
For those of us curious about space-time matters. Another way of looking at it is: just as 3D is an agregate of 2D planes, 4D is an agegate of 3D volumes. Looking fwd 4 more apps like this.
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7 years ago, insainlewey
Total mind F.
Had to do it more than once and still can't quite comprehend it. I'm still dizzy at the end.
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6 years ago, adammarre
I now understand everything that is or ever was
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3 years ago, theoriste
Danger: rapidly flashing lights
If you are sensitive to rapidly flashing lights do not watch the introduction. I’m surprised that a group of intelligent people built in a rapidly pulsing flashing light when it’s clear that’s a danger to people with types of epilepsy!
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7 years ago, RunAwaySquash
I particularly enjoyed the 3d stereoscopic images, they really made it easier to see what I was doing!
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7 years ago, Two lovable kids
Mind blowing!!
This app is amazing. It explains what the fourth dimension is like and what it looks like. (If you can wrap your head around it🤔)
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7 years ago, jbelian
Not sure it enhanced my limited brain's ability to imagine this, but it's a fun little thing.
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6 years ago, Bludhaggala
Mind blowing
Truly mind blowing, can't say anything else... I need a doctor now.
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6 years ago, JtheverprL
Beautiful App
Beautiful app to help you envision and better understand the 4th dimension.
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7 years ago, Bassard
Wow this is absolutely amazing the programmer of this should be commended thank you for your excellent work!
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4 years ago, Thoughts of a Monster
Brilliant app makes difficult concepts easier to grasp
A brilliant
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7 years ago, Namastefriend
Worth it!
Wow! This app lights up the imagination and stimulates the intellect in a clear, concise, and delightful way. This has expanded my perspective on reality.
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6 years ago, Christianlozano02
Like a dream
I always wanted to see this, thanks for creating it guys 🤤
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3 years ago, dhort
The best , most thorough exposition of the forth dimension that I have ever seen!
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6 years ago, knightbourne
Love the info in this app! Blew me away taking a tesseract and affecting it in 4d and changing what it looks like in 3D!
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6 years ago, AndrewJayx
Cool, but short.
The app is made well and explains the content effectively. However, for $2.99 I expected more than 5 min of content.
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6 years ago, Ihop23947
This is one cool app. I look forward to more!
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5 years ago, jlong7
Flatland Illustrated
This was better than the book flatland!
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