# SlowRead vs ReadGrow

The clearest difference is in-app purchases: ReadGrow at none against SlowRead's 2. ReadGrow also leads on update cadence (every 3 days vs fortnightly). SlowRead's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. SlowRead sells 2 in-app purchases, starting at $3.99 per month. ReadGrow asks for nothing beyond the download.

SlowRead ships an update fortnightly, ReadGrow every 3 days. The most recent releases landed on September 10, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | SlowRead | ReadGrow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 66 MB | 17 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [T-PLUS Ltd](https://appshunter.io/developer/1881859700) | [Chih-Yen Kuo](https://appshunter.io/developer/6783488735) |

## What reviewers say

### SlowRead

[App page](https://appshunter.io/ios/app/slowread/id6759947443)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SlowRead Pro | $3.99 | per month |
| SlowRead Pro | $29.99 | per year |


### ReadGrow

[App page](https://appshunter.io/ios/app/readgrow/id6783488733)

**In-app purchases:** none


## Frequently asked questions

### Is SlowRead free?

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

### Is ReadGrow free?

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

### Do SlowRead or ReadGrow have ads?

Neither SlowRead nor ReadGrow shows ads.

### Which is updated more often, SlowRead or ReadGrow?

SlowRead ships an update fortnightly, and ReadGrow every 3 days. Most recently, SlowRead was updated on September 10, 2026 and ReadGrow on August 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*