# SkillMetric vs StudyNinja

The clearest difference is device support: StudyNinja at 3 against SkillMetric's 1. StudyNinja also leads on iOS requirement (13.0 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

SkillMetric ships an update every 10 days, StudyNinja every 2 weeks. The most recent releases landed on June 27, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | SkillMetric | StudyNinja |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Size | 27 MB | 50 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Akam Innovations Private Limited](https://appshunter.io/developer/1885768907) | [Pankaj Jangid](https://appshunter.io/developer/1880994489) |

## What reviewers say

### SkillMetric

[App page](https://appshunter.io/ios/app/skillmetric/id6760692787)

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

**In-app purchases:** none


### StudyNinja

[App page](https://appshunter.io/ios/app/studyninja/id6772452362)

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

**In-app purchases:** none


## Frequently asked questions

### Is SkillMetric free?

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

### Is StudyNinja free?

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

### Do SkillMetric or StudyNinja have ads?

Both SkillMetric and StudyNinja show ads.

### Which is updated more often, SkillMetric or StudyNinja?

SkillMetric ships an update every 10 days, and StudyNinja every 2 weeks. Most recently, SkillMetric was updated on June 27, 2026 and StudyNinja on September 10, 2026.

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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.*