# D1 Scale vs Scale AI

The clearest difference is in-app purchases: D1 Scale at none against Scale AI's 2. D1 Scale also leads on iOS requirement (15.6 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Scale AI sells 2 in-app purchases, starting at $2.99 per 7 days. D1 Scale asks for nothing beyond the download.

D1 Scale ships an update fortnightly, Scale AI every 4 weeks. The most recent releases landed on October 5, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | D1 Scale | Scale AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Size | 38 MB | 15 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Mitaco Pty Ltd](https://appshunter.io/developer/1896610803) | [Juozas Drazdas](https://appshunter.io/developer/6772752587) |

## What reviewers say

### D1 Scale

[App page](https://appshunter.io/ios/app/d1-scale/id6768855332)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scale AI

[App page](https://appshunter.io/ios/app/scale-ai-smart-gram-scale/id6777988250)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scale AI Weekly | $2.99 | per 7 days |
| Scale AI Monthly | $6.99 | per month |


## Frequently asked questions

### Is D1 Scale free?

D1 Scale is free to download, with no in-app purchases.

### Is Scale AI free?

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

### Do D1 Scale or Scale AI have ads?

Neither D1 Scale nor Scale AI shows ads.

### Which is updated more often, D1 Scale or Scale AI?

D1 Scale ships an update fortnightly, and Scale AI every 4 weeks. Most recently, D1 Scale was updated on October 5, 2026 and Scale AI on October 20, 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.*