# Read19 vs Go

The clearest difference is in-app purchases: Go at none against Read19's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Read19 sells 4 in-app purchases, starting at $6.99 per month. Go asks for nothing beyond the download.

Read19 ships an update every 2 days, Go every 4 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Read19 | Go |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Size | 16 MB | 15 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [思程 陈](https://appshunter.io/developer/6786794222) | [sumin lee](https://appshunter.io/developer/1635994381) |

## What reviewers say

### Read19

[App page](https://appshunter.io/ios/app/read19/id6799068030)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KataGo Review Plus | $6.99 | per month |
| 300K Visits | $1.99 | one-time |
| 1M Visits | $3.99 | one-time |
| 3M Visits | $9.99 | one-time |


### Go

[App page](https://appshunter.io/ios/app/go-one-move-katagoai/id6808997080)

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

**In-app purchases:** none


## Frequently asked questions

### Is Read19 free?

Read19 is free to download, with in-app purchases available.

### Is Go free?

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

### Do Read19 or Go have ads?

Neither Read19 nor Go shows ads.

### Which is updated more often, Read19 or Go?

Read19 ships an update every 2 days, and Go every 4 days. Most recently, Read19 was updated on October 29, 2026 and Go on October 24, 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.*