# Gravity Trial vs Fold Back

Gravity Trial and Fold Back are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Gravity Trial ships an update every 5 days, Fold Back weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Gravity Trial | Fold Back |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Weekly |
| Size | 129 MB | 80 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nhung Thi Lam Thi](https://appshunter.io/developer/1877108777) | [洪涛 刘](https://appshunter.io/developer/1865036085) |

## What reviewers say

### Gravity Trial

[App page](https://appshunter.io/ios/app/gravity-trialplant-jump/id6760386779)

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

**In-app purchases:** none


### Fold Back

[App page](https://appshunter.io/ios/app/fold-back/id6760440904)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gravity Trial free?

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

### Is Fold Back free?

Fold Back is free to download, with no in-app purchases.

### Do Gravity Trial or Fold Back have ads?

Both Gravity Trial and Fold Back show ads.

### Which is updated more often, Gravity Trial or Fold Back?

Gravity Trial ships an update every 5 days, and Fold Back weekly. Most recently, Gravity Trial was updated on October 25, 2026 and Fold Back on October 25, 2026.

---

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