Think 3D vs calculets
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Think 3D
Explore and manipulate 3D shapes on your screen with intuitive controls. Create unique, colorful combinations and save or share your designs. Perfect for anyone interested in 3D modeling and design.
- Explore and interact with 3D shapes
- Create unlimited combinations
- Add or remove shapes easily
- Rotate and zoom 3D creations
- Save and share designs
- Print 3D creations
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Explore and interact with 3D shapes on a screen like you never have before. Fun for 3D fans of any age. Features: • Choose from of a variety of 3D shapes • Create unlimited combinations with colorful shapes • Add or remove shapes with a single tap • Drag one finger to rotate 3D creation in any direction • Zoom in and out for a better view • Swipe to spin in any direction • 3D creations are saved on your device • Share documents with your friends over email • Save images of your creations • Print creations
calculets
Engage in a simple yet challenging arithmetic puzzle game. Combine numbers using addition, subtraction, multiplication, and division to reach a target number. Offers multiple difficulty levels and an undo feature for mistakes.
- Arithmetic puzzle gameplay
- Addition, subtraction, multiplication, division
- Target number challenges
- Multiple difficulty levels
- Undo operation feature
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calculets! Very simple math game for initial arithmetic. Practice math operations: Addition, subtraction, multiplication and division. How to play calculets? START: Upon starting, after choosing one of the three available levels, you will find: - 6 numbers inside bubbles, in the central square - one more number (the "target number"), at the bottom right of the screen WIN: To win you have to reach the "target number", combining the numbers inside the bubbles with the available mathematical operations: + addition - subtraction × multiplication ÷ division HOW THE BUBBLES COMBINE: Drag two bubbles, one after the other, to the box with the + symbol, and they will automatically merge into a new bubble with the number corresponding to their sum. And the same for subtracting, multiplying or dividing: drag the bubbles to the boxes marked -, × & ÷ . sssshhh ... a tip: To undo an operation: double-tap a pink bubble to re-divide it into the two original bubbles. Play calculets!
Screenshots
Verdict
The clearest difference is ads: Think 3D at none against calculets's shown. Think 3D also leads on update cadence (monthly vs every 2 months) and monetization model (free vs ad-supported). calculets's advantage is review sentiment (89% vs 80%). On price, rating, ratings volume and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
calculets holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 45 and 38 respectively. Written reviews point the same way: 80% of Think 3D's written reviews are positive against 89% of calculets's.
Think 3D ships an update monthly, calculets every 2 months. The most recent releases landed on October 22, 2026 and October 26, 2026 respectively.
| Parameter | Think 3D | calculets |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (45 ratings) | 4.7 (38 ratings) — better |
| Positive reviews | 80.5% of reviews | 88.6% of reviews — better |
| Number of ratings | 45 — better | 38 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.2 — better |
| Further details — not scored | ||
| Size | 5 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Paul Hangas | Jaime C. Carriedo |
Customer experience
Think 3D
calculets
In-app purchases
Think 3D
No in-app purchases
calculets
No in-app purchases
Questions
Is Think 3D free?
Is calculets free?
Which has better reviews, Think 3D or calculets?
Do Think 3D or calculets have ads?
Which is updated more often, Think 3D or calculets?
Other comparisons
