# RulerBasic vs AI Usage

The clearest difference is in-app purchases: AI Usage at none against RulerBasic's 4. RulerBasic's advantage is iOS requirement (16.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RulerBasic sells 4 in-app purchases, starting at $2.99 per month. AI Usage asks for nothing beyond the download.

RulerBasic ships an update fortnightly, AI Usage every 11 days. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | RulerBasic | AI Usage |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 11 days** |
| Size | 15 MB | 17 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hakan Kaba](https://appshunter.io/developer/1830840381) | [Seung-Un Ham](https://appshunter.io/developer/447543367) |

## What reviewers say

### RulerBasic

[App page](https://appshunter.io/ios/app/rulerbasic/id6752628913)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Room Scan Pro | $2.99 | per month |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $9.99 | one-time |


### AI Usage

[App page](https://appshunter.io/ios/app/ai-usage/id6753959146)

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

**In-app purchases:** none


## Frequently asked questions

### Is RulerBasic free?

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

### Is AI Usage free?

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

### Do RulerBasic or AI Usage have ads?

Neither RulerBasic nor AI Usage shows ads.

### Which is updated more often, RulerBasic or AI Usage?

RulerBasic ships an update fortnightly, and AI Usage every 11 days. Most recently, RulerBasic was updated on September 24, 2026 and AI Usage on September 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.*