# Bounce der Ball vs Synth Sum

The clearest difference is in-app purchases: Bounce der Ball at none against Synth Sum's 5. Bounce der Ball also leads on iOS requirement (13.0 vs 17.0). Synth Sum's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Synth Sum sells 5 one-off in-app purchases. Bounce der Ball asks for nothing beyond the download.

## The numbers

| Metric | Bounce der Ball | Synth Sum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/synth-sum-neon-dash/id6793998487/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Daily |
| Monetization | — | Free with in-app purchases |
| Size | 61 MB | 61 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Durim Camaj](https://appshunter.io/developer/1661307556) | [Matthew Leonard](https://appshunter.io/developer/522479113) |

## What reviewers say

### Bounce der Ball

[App page](https://appshunter.io/ios/app/bounce-der-ball/id6737725103)

**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 Bounce der Ball free?

Bounce der Ball is free to download, with no in-app purchases.

### Is Synth Sum free?

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

### Do Bounce der Ball or Synth Sum have ads?

Bounce der Ball shows ads; Synth Sum does not.

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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.*