# RulerApp vs Ruler & Digital Caliper

The clearest difference is in-app purchases: RulerApp at none against Ruler & Digital Caliper's 1. RulerApp also leads on device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Ruler & Digital Caliper sells 1 one-off in-app purchase. RulerApp asks for nothing beyond the download.

## The numbers

| Metric | RulerApp | Ruler & Digital Caliper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Size | 4 MB | 5 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mathieu Rancourt](https://appshunter.io/developer/1875378731) | [Yurii Koshkin](https://appshunter.io/developer/1873601061) |

## What reviewers say

### RulerApp

[App page](https://appshunter.io/ios/app/rulerapp/id6771221433)

**Features:** Vision Pro support

**In-app purchases:** none


### Ruler & Digital Caliper

[App page](https://appshunter.io/ios/app/ruler-and-digital-caliper/id6806950163)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $9.99 | one-time |


## Frequently asked questions

### Is RulerApp free?

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

### Is Ruler & Digital Caliper free?

Ruler & Digital Caliper is free to download, with in-app purchases available.

### Do RulerApp or Ruler & Digital Caliper have ads?

Neither RulerApp nor Ruler & Digital Caliper 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.*