# Caffeine Tracker vs Bio

The clearest difference is update cadence: Caffeine Tracker at every 2 days against Bio's every 2 months. Bio's advantage is iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Caffeine Tracker sells 2 in-app purchases, starting at $1.99 per 7 days and Bio sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Caffeine Tracker ships an update every 2 days, Bio every 2 months. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Caffeine Tracker | Bio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/caffeine-tracker-brewscan/id6748345657/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | Freemium | — |
| Size | 13 MB | 42 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IPAPPS Ltd.](https://appshunter.io/developer/1822037143) | [Thomas Ferrer](https://appshunter.io/developer/1801518132) |

## What reviewers say

### Caffeine Tracker

[App page](https://appshunter.io/ios/app/caffeine-tracker-brewscan/id6748345657)

Monitor your daily caffeine intake with this tracker. Log beverages, set limits, and receive personalized AI insights to optimize energy and sleep. Features include progress tracking, sleep notifications, and detailed history.

**Highlights:** Log beverages (coffee, tea, energy drinks), Set daily caffeine limits and track progress, Personalized caffeine cutoff time notifications, Detailed history and entry deletion, AI insights and statistics, Visual data charts (weekly/monthly)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $1.99 | per 7 days |
| Annual subscription | $29.99 | per year |


### Bio

[App page](https://appshunter.io/ios/app/bio-rhythm-caffeine-tracker/id6756811259)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| weekly subscrition | $1.99 | per 7 days |
| monthly subscrition | $5.99 | per month |
| yearly subscription | $29.99 | per year |


## Frequently asked questions

### Is Caffeine Tracker free?

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

### Is Bio free?

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

### Do Caffeine Tracker or Bio have ads?

Neither Caffeine Tracker nor Bio shows ads.

### Which is updated more often, Caffeine Tracker or Bio?

Caffeine Tracker ships an update every 2 days, and Bio every 2 months. Most recently, Caffeine Tracker was updated on October 8, 2026 and Bio on October 13, 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.*