# Scale vs Chord Invaders

The clearest difference is in-app purchases: Scale at none against Chord Invaders's 1. Chord Invaders's advantage is update cadence (every 4 days vs every 5 weeks) and iOS requirement (15.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Chord Invaders sells 1 one-off in-app purchase. Scale asks for nothing beyond the download.

Scale ships an update every 5 weeks, Chord Invaders every 4 days. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Scale | Chord Invaders |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Size | 46 MB | 2 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tomas Fernandes](https://appshunter.io/developer/1785295598) | [Neerav Mehta](https://appshunter.io/developer/1896774458) |

## What reviewers say

### Scale

[App page](https://appshunter.io/ios/app/scale-up/id6739435602)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chord Invaders

[App page](https://appshunter.io/ios/app/chord-invaders/id6771198820)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Levels | $1.99 | one-time |


## Frequently asked questions

### Is Scale free?

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

### Is Chord Invaders free?

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

### Do Scale or Chord Invaders have ads?

Neither Scale nor Chord Invaders shows ads.

### Which is updated more often, Scale or Chord Invaders?

Scale ships an update every 5 weeks, and Chord Invaders every 4 days. Most recently, Scale was updated on October 15, 2026 and Chord Invaders on October 8, 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.*