# Lockb vs Scale AI

The clearest difference is in-app purchases: Lockb at none against Scale AI's 2. Lockb also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

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

## The numbers

| Metric | Lockb | Scale AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 weeks |
| Size | 88 MB | 15 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lockbox](https://appshunter.io/developer/1774757581) | [Juozas Drazdas](https://appshunter.io/developer/6772752587) |

## What reviewers say

### Lockb

[App page](https://appshunter.io/ios/app/lockb/id6737131369)

**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 Lockb free?

Lockb 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 Lockb or Scale AI have ads?

Neither Lockb nor Scale AI shows ads.

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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.*