# KittenUp vs Gravity Swing

The clearest difference is in-app purchases: KittenUp at none against Gravity Swing's 5. KittenUp also leads on ads (none vs shown) and iOS requirement (7.0 vs 15.0). Gravity Swing's advantage is update cadence (daily vs every 8 months) and review sentiment (100% vs 86%). On price, rating, ratings volume and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for KittenUp against 5.0 for Gravity Swing. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 86% of KittenUp's written reviews are positive against 100% of Gravity Swing's.

KittenUp ships an update every 8 months, Gravity Swing daily. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | KittenUp | Gravity Swing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/kittenup/id560775652/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/gravity-swing-boost-hammer/id6769060279/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Daily** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 22 MB | 285 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ryuji Kuwaki](https://appshunter.io/developer/372117022) | [Kaan Gevrek](https://appshunter.io/developer/1877975948) |

## What reviewers say

### KittenUp

[App page](https://appshunter.io/ios/app/kittenup/id560775652)

Guide a kitten to jump higher by tapping the screen. Collect coins from yellow clouds and ride a UFO for a significant boost. Experience an endless sky-high adventure.

**Highlights:** Tap to jump, Collect coins, Ride UFOs, High score chasing, Simple controls

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

**In-app purchases:** none


### Gravity Swing

[App page](https://appshunter.io/ios/app/gravity-swing-boost-hammer/id6769060279)

Engage in a physics-based action game where you control rocket-powered tools like hammers and axes. Master unique movement mechanics to navigate challenging levels and endless arcade modes, upgrading your equipment for enhanced performance.

**Highlights:** Physics-based movement gameplay, Unlockable hammers, axes, and pickaxes, Tool upgrades (HP, Power, Destruction), Handcrafted challenging levels, Endless Arcade Mode, Collect coins, stars, and diamonds, Skill-based progression

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Diamond Pack | $1.99 | one-time |
| No ads | $2.99 | one-time |
| Medium Diamond Pack | $3.99 | one-time |
| Premium Pack | $4.99 | one-time |
| Large Diamond Pack | $7.99 | one-time |


## Frequently asked questions

### Is KittenUp free?

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

### Is Gravity Swing free?

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

### Which has better reviews, KittenUp or Gravity Swing?

KittenUp and Gravity Swing are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do KittenUp or Gravity Swing have ads?

Gravity Swing shows ads; KittenUp does not.

### Which is updated more often, KittenUp or Gravity Swing?

KittenUp ships an update every 8 months, and Gravity Swing daily. Most recently, KittenUp was updated on October 13, 2026 and Gravity Swing on October 7, 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.*