# Solvance vs Stack 101 Tower

The clearest difference is in-app purchases: Stack 101 Tower at none against Solvance's 1. Stack 101 Tower also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). Solvance's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. Solvance sells 1 one-off in-app purchase. Stack 101 Tower asks for nothing beyond the download.

Solvance ships an update weekly, Stack 101 Tower every 5 days. The most recent releases landed on November 5, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Solvance | Stack 101 Tower |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Size | 119 MB | 54 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hassan Alhubail](https://appshunter.io/developer/1860185079) | [ZHENG YU-XIANG](https://appshunter.io/developer/1863257025) |

## What reviewers say

### Solvance

[App page](https://appshunter.io/ios/app/solvance-math-puzzle-game/id6758091583)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game Unlock | $4.99 | one-time |


### Stack 101 Tower

[App page](https://appshunter.io/ios/app/stack-101-tower/id6759484448)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solvance free?

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

### Is Stack 101 Tower free?

Stack 101 Tower is free to download, with no in-app purchases.

### Do Solvance or Stack 101 Tower have ads?

Stack 101 Tower shows ads; Solvance does not.

### Which is updated more often, Solvance or Stack 101 Tower?

Solvance ships an update weekly, and Stack 101 Tower every 5 days. Most recently, Solvance was updated on November 5, 2026 and Stack 101 Tower on November 13, 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.*