# Tape Measure：3D Scanner vs Ring Ruler

The clearest difference is iOS requirement: Ring Ruler at 13.0 against Tape Measure：3D Scanner's 16.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Tape Measure：3D Scanner | Ring Ruler |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 6 MB | 21 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [COOFIER TRADING LIMITED](https://appshunter.io/developer/1694671474) | [David Sent](https://appshunter.io/developer/1696600749) |

## What reviewers say

### Tape Measure：3D Scanner

[App page](https://appshunter.io/ios/app/tape-measure3d-scanner/id6756873066)

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

**In-app purchases:** none


### Ring Ruler

[App page](https://appshunter.io/ios/app/ring-ruler/id6757495549)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tape Measure：3D Scanner free?

Tape Measure：3D Scanner is free to download, with no in-app purchases.

### Is Ring Ruler free?

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

### Do Tape Measure：3D Scanner or Ring Ruler have ads?

Neither Tape Measure：3D Scanner nor Ring Ruler 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.*