# Knuckle vs Tape Measure

The clearest difference is ads: Knuckle at none against Tape Measure's shown. Tape Measure's advantage is iOS requirement (17.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Knuckle sells 1 one-off in-app purchase and Tape Measure sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Knuckle | Tape Measure |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Size | 12 MB | 20 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Andrii Bashta](https://appshunter.io/developer/1547467775) | [Meric Gller](https://appshunter.io/developer/1798523393) |

## What reviewers say

### Knuckle

[App page](https://appshunter.io/ios/app/knuckle-ring-sizer/id6780806994)

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

**In-app purchases (1)**

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


### Tape Measure

[App page](https://appshunter.io/ios/app/tape-measure-ring-size/id6788860836)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tape Measure Pro Weekly | $2.99 | per 7 days |
| Tape Measure Pro Yearly | $19.99 | per year |
| Tape Measure Pro Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is Knuckle free?

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

### Is Tape Measure free?

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

### Do Knuckle or Tape Measure have ads?

Tape Measure shows ads; Knuckle does not.

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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.*