# C.J.S Public School vs Tribe Building Mastermind

The clearest difference is in-app purchases: C.J.S Public School at none against Tribe Building Mastermind's 2. C.J.S Public School also leads on iOS requirement (13.0 vs 15.1). Tribe Building Mastermind's advantage is update cadence (every 8 months vs every 41 months). On price, ads and device support there is nothing between them.

Both are free to download. Tribe Building Mastermind sells 2 one-off in-app purchases. C.J.S Public School asks for nothing beyond the download.

C.J.S Public School ships an update every 41 months, Tribe Building Mastermind every 8 months. The most recent releases landed on September 8, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | C.J.S Public School | Tribe Building Mastermind |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 8 months** |
| Size | 32 MB | 52 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lalit Kumar](https://appshunter.io/developer/1474571243) | [TagMango Inc](https://appshunter.io/developer/1611765353) |

## What reviewers say

### C.J.S Public School

[App page](https://appshunter.io/ios/app/cjs-public-school/id1350853531)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tribe Building Mastermind

[App page](https://appshunter.io/ios/app/tribe-building-mastermind/id6498631730)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tribe Building Gold Membership | $199.99 | one-time |
| Diamond Membership | $199.99 | one-time |


## Frequently asked questions

### Is C.J.S Public School free?

C.J.S Public School is free to download, with no in-app purchases.

### Is Tribe Building Mastermind free?

Tribe Building Mastermind is free to download, with in-app purchases available.

### Do C.J.S Public School or Tribe Building Mastermind have ads?

Neither C.J.S Public School nor Tribe Building Mastermind shows ads.

### Which is updated more often, C.J.S Public School or Tribe Building Mastermind?

C.J.S Public School ships an update every 41 months, and Tribe Building Mastermind every 8 months. Most recently, C.J.S Public School was updated on September 8, 2026 and Tribe Building Mastermind on June 1, 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.*