# Bounce Climber vs 1st Principle

The clearest difference is in-app purchases: Bounce Climber at none against 1st Principle's 3. Bounce Climber also leads on update cadence (every 5 days vs fortnightly) and iOS requirement (9.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 1st Principle sells 3 in-app purchases, starting at $1.99 per month. Bounce Climber asks for nothing beyond the download.

Bounce Climber ships an update every 5 days, 1st Principle fortnightly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Bounce Climber | 1st Principle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (13 ratings)](https://appshunter.io/ios/app/bounce-climber/id1467690103/reviews)** | — |
| Number of ratings | **13** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Free | — |
| Size | 99 MB | 126 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Ethan Hannah](https://appshunter.io/developer/1109101065) | [Wonmo Seong](https://appshunter.io/developer/1625011193) |

## What reviewers say

### Bounce Climber

[App page](https://appshunter.io/ios/app/bounce-climber/id1467690103)

Navigate challenging levels by bouncing upwards, avoiding obstacles. This game offers simple one-touch controls, vibrant visuals, and competitive leaderboards for endless fun across over 1000 levels.

**Highlights:** One-touch controls, 1000+ levels, Colorful levels, Competitive leaderboards, Easy to learn, hard to master

**Features:** macOS Compatibility

**In-app purchases:** none


### 1st Principle

[App page](https://appshunter.io/ios/app/1st-principle-calculus-game/id6760980245)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus, billed monthly | $1.99 | per month |
| Plus, billed yearly | $9.99 | per year |
| Unlock All Levels | $4.99 | one-time |


## Frequently asked questions

### Is Bounce Climber free?

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

### Is 1st Principle free?

1st Principle is free to download, with in-app purchases available.

### Do Bounce Climber or 1st Principle have ads?

Neither Bounce Climber nor 1st Principle shows ads.

### Which is updated more often, Bounce Climber or 1st Principle?

Bounce Climber ships an update every 5 days, and 1st Principle fortnightly. Most recently, Bounce Climber was updated on November 3, 2026 and 1st Principle 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.*