# - Stacks - vs Number Ball Jam

The clearest difference is in-app purchases: - Stacks - at none against Number Ball Jam's 10. - Stacks - also leads on ads (none vs shown). Number Ball Jam's advantage is update cadence (every 2 months vs every 9 months) and iOS requirement (13.0 vs 18.2). On price and device support there is nothing between them.

Both are free to download. Number Ball Jam sells 10 one-off in-app purchases. - Stacks - asks for nothing beyond the download.

- Stacks - ships an update every 9 months, Number Ball Jam every 2 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | - Stacks - | Number Ball Jam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/number-ball-jam/id6746828191/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 115 MB |
| Requires iOS | 18.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ryley Herrington](https://appshunter.io/developer/536238316) | [云敏 沈](https://appshunter.io/developer/1780252543) |

## What reviewers say

### - Stacks -

[App page](https://appshunter.io/ios/app/stacks/id6744260489)

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

**In-app purchases:** none


### Number Ball Jam

[App page](https://appshunter.io/ios/app/number-ball-jam/id6746828191)

A 3D puzzle game that blends sorting and merging mechanics. Tap to combine balls of the same number, strategically rearranging them to clear bottles and solve increasingly complex levels. Enjoy a brain-exercising challenge anywhere, anytime.

**Highlights:** 3D sorting and merging puzzles, Easy to learn, hard to master gameplay, Variety of unique levels, Playable offline, Satisfying number combos, Strategic ball rearrangement

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $0.99 | one-time |
| Single Coin2 | $3.99 | one-time |
| Remove Ads | $5.99 | one-time |
| Single Coin3 | $7.99 | one-time |
| Reawake Offer | $7.99 | one-time |
| Special Offer1 | $9.99 | one-time |
| Special Offer2 | $10.99 | one-time |
| Single Coin4 | $14.99 | one-time |
| Single Coin5 | $29.99 | one-time |
| Single Coin6 | $49.99 | one-time |


## Frequently asked questions

### Is - Stacks - free?

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

### Is Number Ball Jam free?

Number Ball Jam is free to download, with in-app purchases available.

### Do - Stacks - or Number Ball Jam have ads?

Number Ball Jam shows ads; - Stacks - does not.

### Which is updated more often, - Stacks - or Number Ball Jam?

- Stacks - ships an update every 9 months, and Number Ball Jam every 2 months. Most recently, - Stacks - was updated on October 30, 2026 and Number Ball Jam on October 30, 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.*