# kmtsysApp vs Readrrr

The clearest difference is in-app purchases: kmtsysApp at none against Readrrr's 10. kmtsysApp also leads on update cadence (every 4 days vs fortnightly) and iOS requirement (15.1 vs 18). On price, ads and device support there is nothing between them.

Both are free to download. Readrrr sells 10 in-app purchases, starting at $2.99 per month. kmtsysApp asks for nothing beyond the download.

kmtsysApp ships an update every 4 days, Readrrr fortnightly. The most recent releases landed on September 19, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | kmtsysApp | Readrrr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (113 ratings)](https://appshunter.io/ios/app/readrrr-focus-reader/id6757683148/reviews)** |
| Number of ratings | — | **113** |
| Positive reviews | — | 31.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | — | Subscription |
| Size | 17 MB | 138 MB |
| Requires iOS | **15.1** | 18 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Feras Alotibi](https://appshunter.io/developer/1063305587) | [Ocule AS](https://appshunter.io/developer/1729594111) |

## What reviewers say

### kmtsysApp

[App page](https://appshunter.io/ios/app/kmtsysapp/id6756094114)

**Features:** macOS Compatibility

**In-app purchases:** none


### Readrrr

[App page](https://appshunter.io/ios/app/readrrr-focus-reader/id6757683148)

Enhance reading speed and focus with a distraction-free experience. This app uses RSVP technology to display words sequentially, helping you process text faster and track your comprehension progress.

**Highlights:** RSVP speed-reading technology, Customizable reading speeds, Distraction-free reading environment, PDF import and text extraction, Reading progress tracking, Cross-device synchronization

**Features:** macOS Compatibility, Safari Extension, Family Sharing, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Readrrr Monthly | $2.99 | per month |
| Weekly | $2.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Monthly | $7.99 | per month |
| Monthly | $9.99 | per month |
| Yearly | $19.99 | per year |
| Readrrr Yearly | $24.99 | per year |
| Yearly | $29.99 | per year |
| Yearly | $39.99 | per year |
| Readrrr Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is kmtsysApp free?

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

### Is Readrrr free?

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

### Do kmtsysApp or Readrrr have ads?

Neither kmtsysApp nor Readrrr shows ads.

### Which is updated more often, kmtsysApp or Readrrr?

kmtsysApp ships an update every 4 days, and Readrrr fortnightly. Most recently, kmtsysApp was updated on September 19, 2026 and Readrrr on September 29, 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.*