# Stack Tower vs Neon Lock

The clearest difference is in-app purchases: Stack Tower at none against Neon Lock's 4. Stack Tower also leads on iOS requirement (15.0 vs 17.0). Neon Lock's advantage is update cadence (every 5 days vs every 10 days). On price, ads and device support there is nothing between them.

Both are free to download. Neon Lock sells 4 one-off in-app purchases. Stack Tower asks for nothing beyond the download.

Stack Tower ships an update every 10 days, Neon Lock every 5 days. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Stack Tower | Neon Lock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 10 days | **Every 5 days** |
| Size | 74 MB | 18 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | +4 | 4+ |
| Developer | [Hector Lopez](https://appshunter.io/developer/1812945334) | [Melih Anil Aydin](https://appshunter.io/developer/1782329895) |

## What reviewers say

### Stack Tower

[App page](https://appshunter.io/ios/app/stack-tower-reflex-game/id6757759959)

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

**In-app purchases:** none


### Neon Lock

[App page](https://appshunter.io/ios/app/neon-lock-reflex-tap-game/id6791656430)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Coin Pack | $0.99 | one-time |
| Premium Theme Pack | $1.99 | one-time |
| Mega Coin Pack | $2.99 | one-time |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Stack Tower free?

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

### Is Neon Lock free?

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

### Do Stack Tower or Neon Lock have ads?

Both Stack Tower and Neon Lock show ads.

### Which is updated more often, Stack Tower or Neon Lock?

Stack Tower ships an update every 10 days, and Neon Lock every 5 days. Most recently, Stack Tower was updated on November 9, 2026 and Neon Lock on November 10, 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.*