# Gravity Solitaire vs Sort Letters 3D

The clearest difference is update cadence: Sort Letters 3D at every 2 days against Gravity Solitaire's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Gravity Solitaire ships an update every 3 weeks, Sort Letters 3D every 2 days. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Gravity Solitaire | Sort Letters 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 128 MB | 125 MB |
| Requires iOS | **12.0** | 12.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ABSTRATUM informacijske tehnologije, d.o.o., Ljubljana](https://appshunter.io/developer/534996973) | [Dark Matter Oy](https://appshunter.io/developer/985584975) |

## What reviewers say

### Gravity Solitaire

[App page](https://appshunter.io/ios/app/gravity-solitaire/id6748915400)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sort Letters 3D

[App page](https://appshunter.io/ios/app/sort-letters-3d/id6749221692)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gravity Solitaire free?

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

### Is Sort Letters 3D free?

Sort Letters 3D is free to download, with no in-app purchases.

### Do Gravity Solitaire or Sort Letters 3D have ads?

Both Gravity Solitaire and Sort Letters 3D show ads.

### Which is updated more often, Gravity Solitaire or Sort Letters 3D?

Gravity Solitaire ships an update every 3 weeks, and Sort Letters 3D every 2 days. Most recently, Gravity Solitaire was updated on September 28, 2026 and Sort Letters 3D on October 2, 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.*