# Biohacking Tracker vs Smile AI

The clearest difference is device support: Biohacking Tracker at 3 against Smile AI's 1. Biohacking Tracker also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Biohacking Tracker sells 2 in-app purchases, starting at $5.99 per month and Smile AI sells 1 in-app purchase, starting at $29.99 per year. Whichever you choose, the download price is not the number that matters.

Biohacking Tracker ships an update every 6 days, Smile AI weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Biohacking Tracker | Smile AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/biohacking-tracker-biohackr/id6745122843/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | Freemium | — |
| Size | 44 MB | 3 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [David Dzeveckij](https://appshunter.io/developer/1808720973) | [Daniel Cawley](https://appshunter.io/developer/1870758283) |

## What reviewers say

### Biohacking Tracker

[App page](https://appshunter.io/ios/app/biohacking-tracker-biohackr/id6745122843)

This app helps you optimize your health and performance by tracking custom protocols, supplements, and key health metrics. Visualize your progress with data-driven charts to gain actionable insights and build consistency in your self-optimization journey.

**Highlights:** Custom protocol tracking, Supplement logging, Health metric tracking, Data visualization, Daily adherence checklist, Flexible scheduling

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full App Access (Monthly) | $5.99 | per month |
| Full App Access (Yearly) | $24.99 | per year |


### Smile AI

[App page](https://appshunter.io/ios/app/smile-ai-ai-smile-scanner/id6762556571)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Plan | $29.99 | per year |


## Frequently asked questions

### Is Biohacking Tracker free?

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

### Is Smile AI free?

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

### Do Biohacking Tracker or Smile AI have ads?

Neither Biohacking Tracker nor Smile AI shows ads.

### Which is updated more often, Biohacking Tracker or Smile AI?

Biohacking Tracker ships an update every 6 days, and Smile AI weekly. Most recently, Biohacking Tracker was updated on October 24, 2026 and Smile AI 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.*