# Think 3D vs calculets

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.

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.

## The numbers

| Metric | Think 3D | calculets |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (45 ratings)](https://appshunter.io/ios/app/think-3d/id463364378/reviews) | **[4.7 (38 ratings)](https://appshunter.io/ios/app/calculets-math-game-puzzle/id1239048330/reviews)** |
| Number of ratings | **45** | 38 |
| Positive reviews | 80.5% of reviews | **88.6% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 5 MB | 24 MB |
| Requires iOS | 13.0 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Paul Hangas](https://appshunter.io/developer/433121902) | [Jaime C. Carriedo](https://appshunter.io/developer/785723408) |

## What reviewers say

### Think 3D

[App page](https://appshunter.io/ios/app/think-3d/id463364378)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### calculets

[App page](https://appshunter.io/ios/app/calculets-math-game-puzzle/id1239048330)

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.

**Highlights:** Arithmetic puzzle gameplay, Addition, subtraction, multiplication, division, Target number challenges, Multiple difficulty levels, Undo operation feature

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Think 3D free?

Think 3D is free to download, with no in-app purchases.

### Is calculets free?

calculets is free to download, with no in-app purchases.

### Which has better reviews, Think 3D or calculets?

calculets is rated higher. Think 3D averages 4.5 out of 5 from 45 ratings, while calculets averages 4.7 from 38 ratings.

### Do Think 3D or calculets have ads?

calculets shows ads; Think 3D does not.

### Which is updated more often, Think 3D or calculets?

Think 3D ships an update monthly, and calculets every 2 months. Most recently, Think 3D was updated on October 22, 2026 and calculets on October 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*