# Stack Up vs Fast Ball Jump

The clearest difference is review sentiment: Stack Up at 100% against Fast Ball Jump's 29%. Stack Up also leads on ads (none vs shown) and rating (4.4 vs 4.2). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Stack Up sells 1 one-off in-app purchase and Fast Ball Jump sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Stack Up holds the better App Store score, 4.4 against 4.2. Both are backed by a comparable volume of ratings — 129 and 52 respectively. Written reviews point the same way: 100% of Stack Up's written reviews are positive against 29% of Fast Ball Jump's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Stack Up | Fast Ball Jump |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (129 ratings)](https://appshunter.io/ios/app/stack-up-funny-models/id1488877976/reviews)** | [4.2 (52 ratings)](https://appshunter.io/ios/app/fast-ball-jump-going-balls-3d/id6451191200/reviews) |
| Number of ratings | **129** | 52 |
| Positive reviews | **100.0% of reviews** | 28.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 98 MB | 577 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Duong Nguyen](https://appshunter.io/developer/1441083900) | [TapNation](https://appshunter.io/developer/1483575279) |

## What reviewers say

### Stack Up

[App page](https://appshunter.io/ios/app/stack-up-funny-models/id1488877976)

Tap to construct charming models from various themes like fruit and stress relief. This simple yet addictive offline game offers beautiful graphics and a variety of models to build.

**Highlights:** Tap to build models, Variety of model themes, Offline play, Beautiful graphics, Addictive gameplay

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Fast Ball Jump

[App page](https://appshunter.io/ios/app/fast-ball-jump-going-balls-3d/id6451191200)

Navigate challenging levels by rolling, spinning, and jumping a ball through unexpected obstacles. This game offers an addictive and relaxing experience with intuitive controls and realistic 3D graphics. Perfect for quick play sessions or longer journeys to unlock new challenges.

**Highlights:** Roll, spin, and jump mechanics, Unexpected obstacles and traps, Unlock new levels and challenges, Intuitive one-finger swipe control, Vivid realistic 3D graphics, Addictive and relaxed gameplay

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock 5k Coins | $1.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Unlock 10K Coins | $3.99 | one-time |
| Remove ads and coins | $4.99 | one-time |
| Unlock 15K Coins | $4.99 | one-time |
| Unlock 20K Coins | $6.99 | one-time |
| Unlock 30K Coins | $8.99 | one-time |
| Unlock everything | $19.99 | one-time |


## Frequently asked questions

### Is Stack Up free?

Stack Up is free to download, with in-app purchases available.

### Is Fast Ball Jump free?

Fast Ball Jump is free to download, with in-app purchases available.

### Which has better reviews, Stack Up or Fast Ball Jump?

Stack Up is rated higher. Stack Up averages 4.4 out of 5 from 129 ratings, while Fast Ball Jump averages 4.2 from 52 ratings.

### Do Stack Up or Fast Ball Jump have ads?

Fast Ball Jump shows ads; Stack Up does not.

### Which is updated more often, Stack Up or Fast Ball Jump?

Stack Up ships an update every 2 months, and Fast Ball Jump every 2 months. Most recently, Stack Up was updated on October 24, 2026 and Fast Ball Jump on October 23, 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.*