# Geometry 3D Dash vs Synth Sum

The clearest difference is ads: Synth Sum at none against Geometry 3D Dash's shown. Synth Sum also leads on update cadence (daily vs every 4 weeks). Geometry 3D Dash's advantage is iOS requirement (13.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Geometry 3D Dash sells 1 one-off in-app purchase and Synth Sum sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Geometry 3D Dash ships an update every 4 weeks, Synth Sum daily. The most recent releases landed on September 29, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Geometry 3D Dash | Synth Sum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/geometry-3d-dash/id1669567569/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 182 MB | 61 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oleksii Petrochenko](https://appshunter.io/developer/1669228110) | [Matthew Leonard](https://appshunter.io/developer/522479113) |

## What reviewers say

### Geometry 3D Dash

[App page](https://appshunter.io/ios/app/geometry-3d-dash/id1669567569)

Explore diverse pixel worlds in this endless runner. Swipe to dodge obstacles, jump, and slide to survive. Unlock new areas and skins by setting high scores and collecting in-game currency.

**Highlights:** Endless runner gameplay, Multiple pixel worlds to explore, Unlockable locations and skins, In-game store for purchases, Simple swipe controls

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads from game | $0.99 | one-time |


### Synth Sum

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

**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 Geometry 3D Dash free?

Geometry 3D Dash is free to download, with in-app purchases available.

### Is Synth Sum free?

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

### Do Geometry 3D Dash or Synth Sum have ads?

Geometry 3D Dash shows ads; Synth Sum does not.

### Which is updated more often, Geometry 3D Dash or Synth Sum?

Geometry 3D Dash ships an update every 4 weeks, and Synth Sum daily. Most recently, Geometry 3D Dash was updated on September 29, 2026 and Synth Sum on October 4, 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.*