# 3D Trampoline vs ChalkUp App

The clearest difference is iOS requirement: 3D Trampoline at 13.0 against ChalkUp App's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 3D Trampoline sells 1 in-app purchase, starting at $2.99 per month and ChalkUp App sells 10 in-app purchases, starting at $50.00 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 18, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | 3D Trampoline | ChalkUp App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/3d-trampoline/id6464057542/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 277 MB | 47 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FB Curves 3d Gym Limited](https://appshunter.io/developer/1283039771) | [MACIEJ SZUCHNICKI](https://appshunter.io/developer/1858723916) |

## What reviewers say

### 3D Trampoline

[App page](https://appshunter.io/ios/app/3d-trampoline/id6464057542)

This app is a 3D teaching aid for trampolining, offering detailed visualizations of over 108 elements. It helps coaches, athletes, and judges understand and analyze skills with features like 360-degree rotation, speed variation, and a quiz function.

**Highlights:** 3D visualization of trampoline elements, 360-degree rotation and zoom, Speed variation for detailed analysis, Interactive quiz function, Create and review custom exercises, Searchable database of over 108 skills

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access | $2.99 | per month |


### ChalkUp App

[App page](https://appshunter.io/ios/app/chalkup-app/id6756151076)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Club Plan Up to 50 Seats | $50.00 | per month |
| Club Plan Up to 100 seats | $100.00 | per month |
| Club Plan Up to 150 Seats | $150.00 | per month |
| Club Plan Up to 200 seats | $200.00 | per month |
| Club Plan Up to 250 Seats | $250.00 | per month |
| Club Plan Up to 300 Seats | $300.00 | per month |
| Club Plan Up to 350 seats | $349.99 | per month |
| Club Plan Up to 400 seats | $400.00 | per month |
| Club Plan Up to 450 Seats | $499.99 | per month |
| Club Plan Up to 1000 Seats | $1000.00 | per month |


## Frequently asked questions

### Is 3D Trampoline free?

3D Trampoline is free to download, with in-app purchases available.

### Is ChalkUp App free?

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

### Do 3D Trampoline or ChalkUp App have ads?

Neither 3D Trampoline nor ChalkUp App shows ads.

### Which is updated more often, 3D Trampoline or ChalkUp App?

3D Trampoline ships an update every 2 weeks, and ChalkUp App every 2 weeks. Most recently, 3D Trampoline was updated on September 18, 2026 and ChalkUp App on September 12, 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.*