# AngleDuo vs kakdo°

The clearest difference is price: AngleDuo at Free against kakdo°'s $1.00. AngleDuo also leads on iOS requirement (17.0 vs 26.5). kakdo°'s advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

AngleDuo is free to download; kakdo° costs $1.00 up front. AngleDuo sells 1 one-off in-app purchase. kakdo° asks for nothing beyond the download.

## The numbers

| Metric | AngleDuo | kakdo° |
| --- | --- | --- |
| Price | **Free** | $1.00 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | — | Paid |
| Size | 4 MB | 5 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Julian Zefferer](https://appshunter.io/developer/1894212252) | [HIROTO MUGIKURA](https://appshunter.io/developer/1895596406) |

## 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 |


### kakdo°

[App page](https://appshunter.io/ios/app/kakdo-angle-protractor/id6814087785)

Measure angles in photos and check the opening angle of compatible devices. Save, edit, and share your measurements with notes. Offers a one-time purchase with no ads or subscriptions.

**Highlights:** Measure angles in photos, Check device opening angles, Record and save measurements, Add notes to measurements, Share measurements as PNG or CSV, Edit saved measurements

**Features:** iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is AngleDuo free?

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

### Is kakdo° free?

kakdo° costs $1.00, with no in-app purchases.

### Do AngleDuo or kakdo° have ads?

Neither AngleDuo nor kakdo° 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.*