# Read19 vs mrGoProblemWorkout

The clearest difference is price: Read19 at Free against mrGoProblemWorkout's $0.99. mrGoProblemWorkout's advantage is in-app purchases (none vs 4). On update cadence, ads, device support and iOS requirement there is nothing between them.

Read19 is free to download; mrGoProblemWorkout costs $0.99 up front. Read19 sells 4 in-app purchases, starting at $6.99 per month. mrGoProblemWorkout asks for nothing beyond the download.

Read19 ships an update every 2 days, mrGoProblemWorkout every 3 days. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Read19 | mrGoProblemWorkout |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Size | 16 MB | 4 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [思程 陈](https://appshunter.io/developer/6786794222) | [frank brown](https://appshunter.io/developer/1850182687) |

## 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 |


### mrGoProblemWorkout

[App page](https://appshunter.io/ios/app/mrgoproblemworkout/id6801664405)

**In-app purchases:** none


## Frequently asked questions

### Is Read19 free?

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

### Is mrGoProblemWorkout free?

mrGoProblemWorkout costs $0.99, with no in-app purchases.

### Do Read19 or mrGoProblemWorkout have ads?

Neither Read19 nor mrGoProblemWorkout shows ads.

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

Read19 ships an update every 2 days, and mrGoProblemWorkout every 3 days. Most recently, Read19 was updated on November 10, 2026 and mrGoProblemWorkout on October 31, 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.*