# TapTapBlocks vs Univerzoom 3D

The clearest difference is price: TapTapBlocks at Free against Univerzoom 3D's $2.99. TapTapBlocks also leads on iOS requirement (13.0 vs 15.0). Univerzoom 3D's advantage is rating (4.8 vs 4.3) and review sentiment (97% vs 69%). On ads, in-app purchases, monetization model and device support there is nothing between them.

TapTapBlocks is free to download; Univerzoom 3D costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Univerzoom 3D holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 90 and 289 respectively. Written reviews point the same way: 69% of TapTapBlocks's written reviews are positive against 97% of Univerzoom 3D's.

TapTapBlocks ships an update every 4 months, Univerzoom 3D every 2 months. The most recent releases landed on October 15, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | TapTapBlocks | Univerzoom 3D |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.3 (90 ratings)](https://appshunter.io/ios/app/taptapblocks/id433121899/reviews) | **[4.8 (289 ratings)](https://appshunter.io/ios/app/univerzoom-3d-explore-scale/id1552648156/reviews)** |
| Number of ratings | 90 | **289** |
| Positive reviews | 68.8% of reviews | **97.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 4 MB | 255 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Paul Hangas](https://appshunter.io/developer/433121902) | [Linda Schnetzinger](https://appshunter.io/developer/1479825448) |

## What reviewers say

### TapTapBlocks

[App page](https://appshunter.io/ios/app/taptapblocks/id433121899)

Build and design with colorful 3D blocks limited only by your imagination. Easily add, remove, and rotate blocks with intuitive touch controls. Save and share your unique creations with friends.

**Highlights:** Unlimited colorful building block combinations, Single tap to add or remove blocks, One-finger 3D rotation, Pinch and zoom for detailed views, Save and email creations

**Features:** macOS Compatibility

**In-app purchases:** none


### Univerzoom 3D

[App page](https://appshunter.io/ios/app/univerzoom-3d-explore-scale/id1552648156)

Explore the vastness of the universe and the intricacies of the microcosmos with intuitive touch controls. Compare celestial bodies, everyday objects, and subatomic particles to grasp their true scale. Discover fascinating facts and learn about the cosmos and beyond.

**Highlights:** Intuitive gesture-based scaling, Explore universe to atomic levels, Compare sizes of diverse objects, Learn facts about celestial bodies, Text-to-Speech for facts, External resource links

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TapTapBlocks free?

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

### Is Univerzoom 3D free?

Univerzoom 3D costs $2.99, with no in-app purchases.

### Which has better reviews, TapTapBlocks or Univerzoom 3D?

Univerzoom 3D is rated higher. TapTapBlocks averages 4.3 out of 5 from 90 ratings, while Univerzoom 3D averages 4.8 from 289 ratings.

### Do TapTapBlocks or Univerzoom 3D have ads?

Neither TapTapBlocks nor Univerzoom 3D shows ads.

### Which is updated more often, TapTapBlocks or Univerzoom 3D?

TapTapBlocks ships an update every 4 months, and Univerzoom 3D every 2 months. Most recently, TapTapBlocks was updated on October 15, 2026 and Univerzoom 3D on October 17, 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.*