# Next Numbers 2 vs Stars Units Sizes Objects

The clearest difference is in-app purchases: Stars Units Sizes Objects at none against Next Numbers 2's 4. Next Numbers 2's advantage is ads (none vs shown) and rating (4.7 vs 4.3). On price and device support there is nothing between them.

Both are free to download. Next Numbers 2 sells 4 one-off in-app purchases. Stars Units Sizes Objects asks for nothing beyond the download.

Next Numbers 2 holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Next Numbers 2 has 31 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 88% of Next Numbers 2's written reviews are positive against 80% of Stars Units Sizes Objects's.

Next Numbers 2 ships an update every 4 weeks, Stars Units Sizes Objects every 4 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Next Numbers 2 | Stars Units Sizes Objects |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (31 ratings)](https://appshunter.io/ios/app/next-numbers-2/id1014438993/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/stars-units-sizes-objects/id1576148571/reviews) |
| Number of ratings | **31** | 6 |
| Positive reviews | **88.1% of reviews** | 80.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 143 MB | 124 MB |
| Requires iOS | **7.1** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vito Technology Inc.](https://appshunter.io/developer/289641503) | [Mudarmeen Munlin](https://appshunter.io/developer/1348165664) |

## What reviewers say

### Next Numbers 2

[App page](https://appshunter.io/ios/app/next-numbers-2/id1014438993)

This brain training game enhances concentration, reaction time, memory, and focus through a fast-paced number-tapping challenge. Improve your cognitive skills with engaging gameplay and increasing difficulty.

**Highlights:** Improves concentration and reaction, Enhances memory and speed, 50+ challenging levels, Offline gameplay, Smooth and engaging gameplay, Great design and sounds

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Refill Lives | $0.99 | one-time |
| Time Boost Pack | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| Endless Lives | $2.99 | one-time |


### Stars Units Sizes Objects

[App page](https://appshunter.io/ios/app/stars-units-sizes-objects/id1576148571)

Explore the vastness of the universe, from the smallest particles to the largest cosmic structures. Compare object sizes, view detailed images, and perform unit conversions across a wide range of astronomical scales. Learn about stars, galaxies, and the incredible distances between them.

**Highlights:** Compare object sizes, View object images, Pinch/Zoom and Pan images, Unit conversion for distances, Explore scales from Planck length to observable universe, Learn about stars and galaxies

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Next Numbers 2 free?

Next Numbers 2 is free to download, with in-app purchases available.

### Is Stars Units Sizes Objects free?

Stars Units Sizes Objects is free to download, with no in-app purchases.

### Which has better reviews, Next Numbers 2 or Stars Units Sizes Objects?

Next Numbers 2 is rated higher. Next Numbers 2 averages 4.7 out of 5 from 31 ratings, while Stars Units Sizes Objects averages 4.3 from 6 ratings.

### Do Next Numbers 2 or Stars Units Sizes Objects have ads?

Stars Units Sizes Objects shows ads; Next Numbers 2 does not.

### Which is updated more often, Next Numbers 2 or Stars Units Sizes Objects?

Next Numbers 2 ships an update every 4 weeks, and Stars Units Sizes Objects every 4 months. Most recently, Next Numbers 2 was updated on October 22, 2026 and Stars Units Sizes Objects on October 24, 2026.

---

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