# Kois Reader vs MOD PRO

The clearest difference is in-app purchases: Kois Reader at none against MOD PRO's 1. Kois Reader also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.0). MOD PRO's advantage is update cadence (every 4 weeks vs every 9 months). On price and ads there is nothing between them.

Both are free to download. MOD PRO sells 1 in-app purchase, starting at $399.00 per month. Kois Reader asks for nothing beyond the download.

Kois Reader ships an update every 9 months, MOD PRO every 4 weeks. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Kois Reader | MOD PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (10 ratings)](https://appshunter.io/ios/app/kois-reader/id1132199528/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 75 MB | 32 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Kois Center](https://appshunter.io/developer/513136947) | [WRMDSV I, LLC](https://appshunter.io/developer/6776372647) |

## What reviewers say

### Kois Reader

[App page](https://appshunter.io/ios/app/kois-reader/id1132199528)

Access Kois Course materials, including manuals, checklists, and videos. Features live polling, automatic note backup and syncing across devices, and the ability to share notes with other participants. Requires course attendance for full access.

**Highlights:** Access course manuals and videos, Live in-course polling, Automatic note backup and sync, Share notes with participants, Browse page thumbnails, Navigation history

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

**In-app purchases:** none


### MOD PRO

[App page](https://appshunter.io/ios/app/mod-pro/id6776372645)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MOD PRO Monthly | $399.00 | per month |


## Frequently asked questions

### Is Kois Reader free?

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

### Is MOD PRO free?

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

### Do Kois Reader or MOD PRO have ads?

Neither Kois Reader nor MOD PRO shows ads.

### Which is updated more often, Kois Reader or MOD PRO?

Kois Reader ships an update every 9 months, and MOD PRO every 4 weeks. Most recently, Kois Reader was updated on October 8, 2026 and MOD PRO on September 30, 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.*