# Activity Tracker by RedZonkey vs NMN BIO

The clearest difference is rating: NMN BIO at 5.0 against Activity Tracker by RedZonkey's 4.3. NMN BIO also leads on in-app purchases (none vs 3). Activity Tracker by RedZonkey's advantage is ratings volume (21 vs 2). On price, update cadence, ads and device support there is nothing between them.

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

NMN BIO holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Activity Tracker by RedZonkey has 21 ratings behind it against 2, so its average is the more settled of the two.

Activity Tracker by RedZonkey ships an update fortnightly, NMN BIO monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Activity Tracker by RedZonkey | NMN BIO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (21 ratings)](https://appshunter.io/ios/app/activity-tracker-by-redzonkey/id6444002523/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nmn-bio/id6450275015/reviews)** |
| Number of ratings | **21** | 2 |
| Positive reviews | 92.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 313 MB | 82 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Deep Systems ATP Ltd](https://appshunter.io/developer/636426245) | [NMN Bio Ltd](https://appshunter.io/developer/1692616976) |

## 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 |


### NMN BIO

[App page](https://appshunter.io/ios/app/nmn-bio/id6450275015)

Discover exclusive products and early access to new launches. Browse the latest arrivals, save your favorites, and enjoy a fast, secure checkout experience. Stay informed about special offers and be the first to know about exciting updates.

**Highlights:** Exclusive product access, Early access to launches, New arrival browsing, Save favorite products, Secure and fast checkout, First-to-know notifications

**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 NMN BIO free?

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

### Which has better reviews, Activity Tracker by RedZonkey or NMN BIO?

NMN BIO is rated higher. Activity Tracker by RedZonkey averages 4.3 out of 5 from 21 ratings, while NMN BIO averages 5.0 from 2 ratings.

### Do Activity Tracker by RedZonkey or NMN BIO have ads?

Both Activity Tracker by RedZonkey and NMN BIO show ads.

### Which is updated more often, Activity Tracker by RedZonkey or NMN BIO?

Activity Tracker by RedZonkey ships an update fortnightly, and NMN BIO monthly. Most recently, Activity Tracker by RedZonkey was updated on October 24, 2026 and NMN BIO on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*