# CMAC+ vs StellKey

The clearest difference is in-app purchases: CMAC+ at none against StellKey's 6. CMAC+ also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). StellKey's advantage is update cadence (fortnightly vs every 7 months). On price and ads there is nothing between them.

Both are free to download. StellKey sells 6 in-app purchases, starting at $9.99 per month. CMAC+ asks for nothing beyond the download.

CMAC+ ships an update every 7 months, StellKey fortnightly. The most recent releases landed on September 28, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CMAC+ | StellKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/stellkey-chores-tracker/id1591228817/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | — | Subscription |
| Size | 57 MB | 125 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Collingwood Martial Arts Centre Ltd](https://appshunter.io/developer/1548771473) | [Vaqstar](https://appshunter.io/developer/1591228819) |

## What reviewers say

### CMAC+

[App page](https://appshunter.io/ios/app/cmac-plus/id1548771471)

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

**In-app purchases:** none


### StellKey

[App page](https://appshunter.io/ios/app/stellkey-chores-tracker/id1591228817)

This app helps children build healthy habits and routines through engaging, customizable programs. It offers motivational rewards and real-time progress tracking, developed with insights from child psychologists and educators.

**Highlights:** Customizable routines, Interactive rewards system, Real-time progress tracking, Expert-approved methods, Virtual friend motivation

**Features:** Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly base subscription | $9.99 | per month |
| Yearly bases subscription | $69.99 | per year |
| 1 Month Subscription | $4.99 | one-time |
| 12 Month Subscriptions | $39.99 | one-time |
| Lifetime Subscriptions | $59.99 | one-time |
| Lifetime Subscription | $89.99 | one-time |


## Frequently asked questions

### Is CMAC+ free?

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

### Is StellKey free?

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

### Do CMAC+ or StellKey have ads?

Neither CMAC+ nor StellKey shows ads.

### Which is updated more often, CMAC+ or StellKey?

CMAC+ ships an update every 7 months, and StellKey fortnightly. Most recently, CMAC+ was updated on September 28, 2026 and StellKey on October 8, 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.*