# iPeriodic for iPhone vs Physics KoAke

The clearest difference is in-app purchases: Physics KoAke at none against iPeriodic for iPhone's 1. iPeriodic for iPhone's advantage is update cadence (every 8 days vs every 4 months) and iOS requirement (6.1 vs 11.0). On price, ads and device support there is nothing between them.

Both are free to download. iPeriodic for iPhone sells 1 one-off in-app purchase. Physics KoAke asks for nothing beyond the download.

iPeriodic for iPhone ships an update every 8 days, Physics KoAke every 4 months. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | iPeriodic for iPhone | Physics KoAke |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 93.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 4 months |
| Monetization | — | Free |
| Size | 16 MB | 9 MB |
| Requires iOS | **6.1** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thitipong Wongsatho](https://appshunter.io/developer/683911170) | [Tatthep Chayaphiwat](https://appshunter.io/developer/495667459) |

## What reviewers say

### iPeriodic for iPhone

[App page](https://appshunter.io/ios/app/iperiodic-for-iphone/id963558647)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads ($0.99) | $0.99 | one-time |


### Physics KoAke

[App page](https://appshunter.io/ios/app/physics-koake/id1505079157)

This platform offers over 1,000 video courses and extensive study materials for physics, taught by experienced instructors. It aims to make learning physics easy, fun, and successful for students preparing for exams and career paths in STEM fields.

**Highlights:** 1,000+ video courses, Extensive study materials, Practice exams and exercises, Exam preparation (midterm, final, PAT2, PAT3, etc.), Courses for various levels (middle school to entrance exams), Free introductory courses

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iPeriodic for iPhone free?

iPeriodic for iPhone is free to download, with in-app purchases available.

### Is Physics KoAke free?

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

### Do iPeriodic for iPhone or Physics KoAke have ads?

Neither iPeriodic for iPhone nor Physics KoAke shows ads.

### Which is updated more often, iPeriodic for iPhone or Physics KoAke?

iPeriodic for iPhone ships an update every 8 days, and Physics KoAke every 4 months. Most recently, iPeriodic for iPhone was updated on October 12, 2026 and Physics KoAke on October 4, 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.*