# AngleDuo vs FoldMetry

The clearest difference is iOS requirement: AngleDuo at 17.0 against FoldMetry's 27.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AngleDuo sells 1 one-off in-app purchase and FoldMetry sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | AngleDuo | FoldMetry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/foldmetry/id6823964054/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Size | 4 MB | 5 MB |
| Requires iOS | **17.0** | 27.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Julian Zefferer](https://appshunter.io/developer/1894212252) | [亚军 胡](https://appshunter.io/developer/1724305749) |

## What reviewers say

### AngleDuo

[App page](https://appshunter.io/ios/app/angleduo-protractor/id6813894841)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AngleDuo Pro | $3.99 | one-time |


### FoldMetry

[App page](https://appshunter.io/ios/app/foldmetry/id6823964054)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Optional Developer Support | $0.99 | one-time |


## Frequently asked questions

### Is AngleDuo free?

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

### Is FoldMetry free?

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

### Do AngleDuo or FoldMetry have ads?

Neither AngleDuo nor FoldMetry 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.*
