# Activity Tracker by RedZonkey vs Ultimate Challenge App

The clearest difference is in-app purchases: Ultimate Challenge App at none against Activity Tracker by RedZonkey's 3. Ultimate Challenge App also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). Activity Tracker by RedZonkey's advantage is update cadence (fortnightly vs every 4 months). On price and device support there is nothing between them.

Both are free to download. Activity Tracker by RedZonkey sells 3 one-off in-app purchases. Ultimate Challenge App asks for nothing beyond the download.

Activity Tracker by RedZonkey ships an update fortnightly, Ultimate Challenge App every 4 months. The most recent releases landed on July 5, 2026 and February 24, 2026 respectively.

## The numbers

| Metric | Activity Tracker by RedZonkey | Ultimate Challenge App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (21 ratings)](https://appshunter.io/ios/app/activity-tracker-by-redzonkey/id6444002523/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 92.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 313 MB | 160 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Deep Systems ATP Ltd](https://appshunter.io/developer/636426245) | [Active Connections Ltd](https://appshunter.io/developer/1015144091) |

## What reviewers say

### Activity Tracker by RedZonkey

[App page](https://appshunter.io/ios/app/activity-tracker-by-redzonkey/id6444002523)

This app transforms daily activities into fun, competitive challenges, motivating users to stay active. Earn tokens and rewards by climbing leaderboards and achieving milestones, with personalized AI coaching to guide your fitness journey.

**Highlights:** Gamified fitness challenges, Leaderboard competition, Token and reward system, AI personalized coaching, Global fitness community, Apple Watch integration

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1K Fitness Coins | $9.99 | one-time |
| 2K fitness Coins | $14.99 | one-time |
| 3K Max Coins | $19.99 | one-time |


### Ultimate Challenge App

[App page](https://appshunter.io/ios/app/ultimate-challenge-app/id6469605832)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Activity Tracker by RedZonkey free?

Activity Tracker by RedZonkey is free to download, with in-app purchases available.

### Is Ultimate Challenge App free?

Ultimate Challenge App is free to download, with no in-app purchases.

### Do Activity Tracker by RedZonkey or Ultimate Challenge App have ads?

Activity Tracker by RedZonkey shows ads; Ultimate Challenge App does not.

### Which is updated more often, Activity Tracker by RedZonkey or Ultimate Challenge App?

Activity Tracker by RedZonkey ships an update fortnightly, and Ultimate Challenge App every 4 months. Most recently, Activity Tracker by RedZonkey was updated on July 5, 2026 and Ultimate Challenge App on February 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.*