# JCRN vs Master Solutions

The clearest difference is update cadence: Master Solutions at every 3 days against JCRN's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

JCRN ships an update every 10 days, Master Solutions every 3 days. The most recent releases landed on October 10, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | JCRN | Master Solutions |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Size | 387 MB | 75 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [PIERCE MEDIA PRODUCTIONS](https://appshunter.io/developer/533874463) | [EMCAN-TEC](https://appshunter.io/developer/1649090170) |

## What reviewers say

### JCRN

[App page](https://appshunter.io/ios/app/jcrn/id6451144904)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Master Solutions

[App page](https://appshunter.io/ios/app/master-solutions/id6739285708)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JCRN free?

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

### Is Master Solutions free?

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

### Do JCRN or Master Solutions have ads?

Neither JCRN nor Master Solutions shows ads.

### Which is updated more often, JCRN or Master Solutions?

JCRN ships an update every 10 days, and Master Solutions every 3 days. Most recently, JCRN was updated on October 10, 2026 and Master Solutions on September 27, 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.*