# Infinite Geometry 2 vs Synth Sum

The clearest difference is in-app purchases: Infinite Geometry 2 at none against Synth Sum's 5. Infinite Geometry 2 also leads on iOS requirement (13.0 vs 17.0). Synth Sum's advantage is ads (none vs shown) and update cadence (daily vs every 12 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Synth Sum sells 5 one-off in-app purchases. Infinite Geometry 2 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Infinite Geometry 2 against 5.0 for Synth Sum. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Infinite Geometry 2 ships an update every 12 months, Synth Sum daily. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Infinite Geometry 2 | Synth Sum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/infinite-geometry-2/id1495205309/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/synth-sum-neon-dash/id6793998487/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Daily** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 82 MB | 61 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Julian Musch](https://appshunter.io/developer/1492911214) | [Matthew Leonard](https://appshunter.io/developer/522479113) |

## What reviewers say

### Infinite Geometry 2

[App page](https://appshunter.io/ios/app/infinite-geometry-2/id1495205309)

A relaxing mobile game with simple controls and calming music. Players rotate geometric shapes to navigate through openings and test their endurance. Dive deep into a geometric world and see how far you can progress.

**Highlights:** Simple touch controls, Calming music, Geometric puzzles, Endless gameplay, High score chasing

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

**In-app purchases:** none


### Synth Sum

[App page](https://appshunter.io/ios/app/synth-sum-neon-dash/id6793998487)

A neon rhythm dash game where players tap to jump over obstacles and collect numbers. The goal is to hit the exact sum to pass through doors and progress through levels. Features include multiple worlds, practice modes, and leaderboards.

**Highlights:** Tap to jump, Hit exact sum to clear doors, 16 levels across five worlds, Practice with checkpoints, Endless and Daily modes, Earn stars for skins, Game Center leaderboards

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Neon Kit | $1.99 | one-time |
| Sunset Kit | $1.99 | one-time |
| Magenta Kit | $1.99 | one-time |
| Unlock All Worlds | $2.99 | one-time |
| All Kits Bundle | $4.99 | one-time |


## Frequently asked questions

### Is Infinite Geometry 2 free?

Infinite Geometry 2 is free to download, with no in-app purchases.

### Is Synth Sum free?

Synth Sum is free to download, with in-app purchases available.

### Which has better reviews, Infinite Geometry 2 or Synth Sum?

Infinite Geometry 2 and Synth Sum are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Infinite Geometry 2 or Synth Sum have ads?

Infinite Geometry 2 shows ads; Synth Sum does not.

### Which is updated more often, Infinite Geometry 2 or Synth Sum?

Infinite Geometry 2 ships an update every 12 months, and Synth Sum daily. Most recently, Infinite Geometry 2 was updated on October 24, 2026 and Synth Sum on October 21, 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.*