# Sift vs Gravity Arc

The clearest difference is in-app purchases: Gravity Arc at none against Sift's 1. Gravity Arc also leads on ads (none vs shown) and iOS requirement (16.0 vs 26.2). On price, update cadence and device support there is nothing between them.

Both are free to download. Sift sells 1 one-off in-app purchase. Gravity Arc asks for nothing beyond the download.

Sift ships an update every 6 days, Gravity Arc every 4 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sift | Gravity Arc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | **Every 4 days** |
| Size | 23 MB | 2 MB |
| Requires iOS | 26.2 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Szlaski](https://appshunter.io/developer/354630706) | [Bill Schenk](https://appshunter.io/developer/1886298781) |

## What reviewers say

### Sift

[App page](https://appshunter.io/ios/app/sift-sort-gems-physics-puzzle/id6760543611)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Game | $0.99 | one-time |


### Gravity Arc

[App page](https://appshunter.io/ios/app/gravity-arc-a-puzzle-game/id6760983765)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sift free?

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

### Is Gravity Arc free?

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

### Do Sift or Gravity Arc have ads?

Sift shows ads; Gravity Arc does not.

### Which is updated more often, Sift or Gravity Arc?

Sift ships an update every 6 days, and Gravity Arc every 4 days. Most recently, Sift was updated on October 31, 2026 and Gravity Arc on November 5, 2026.

---

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