# Gravity Denied vs Udaff

The clearest difference is in-app purchases: Udaff at none against Gravity Denied's 5. Gravity Denied's advantage is update cadence (every 2 days vs every 5 days) and iOS requirement (12.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Gravity Denied sells 5 one-off in-app purchases. Udaff asks for nothing beyond the download.

Gravity Denied ships an update every 2 days, Udaff every 5 days. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Gravity Denied | Udaff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (6 ratings)](https://appshunter.io/ios/app/gravity-denied/id1234339204/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 51 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Studio 45](https://appshunter.io/developer/504436523) | [Andy Khristoforof](https://appshunter.io/developer/1751949334) |

## What reviewers say

### Gravity Denied

[App page](https://appshunter.io/ios/app/gravity-denied/id1234339204)

Experience a classic moto trial racing game with an extraordinary physics engine. Race through challenging tracks, aiming for three stars to unlock new levels and motorcycles. Master the physics to achieve the fastest times.

**Highlights:** Moto trial racing gameplay, Extraordinary physics engine, Nearly 200 challenging tracks, Unlock new tracks and motorcycles, Star-based progression system

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Micro Stars Pack | $0.99 | one-time |
| Small Stars Pack | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Medium Stars Pack | $3.99 | one-time |
| Large Stars Pack | $7.99 | one-time |


### Udaff

[App page](https://appshunter.io/ios/app/udaff/id6748914774)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gravity Denied free?

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

### Is Udaff free?

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

### Do Gravity Denied or Udaff have ads?

Neither Gravity Denied nor Udaff shows ads.

### Which is updated more often, Gravity Denied or Udaff?

Gravity Denied ships an update every 2 days, and Udaff every 5 days. Most recently, Gravity Denied was updated on October 8, 2026 and Udaff on October 13, 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.*