# Fish Tank Tracker vs ReefDrift

The clearest difference is ads: Fish Tank Tracker at none against ReefDrift's shown. Fish Tank Tracker also leads on iOS requirement (16.4 vs 18.2). ReefDrift's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Fish Tank Tracker sells 1 one-off in-app purchase and ReefDrift sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Fish Tank Tracker ships an update every 6 weeks, ReefDrift every 2 weeks. Both last shipped on October 10, 2026.

## The numbers

| Metric | Fish Tank Tracker | ReefDrift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Size | 54 MB | 16 MB |
| Requires iOS | **16.4** | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nelson Lai](https://appshunter.io/developer/1477911199) | [Muge Akalin](https://appshunter.io/developer/1701314808) |

## What reviewers say

### Fish Tank Tracker

[App page](https://appshunter.io/ios/app/fish-tank-tracker/id6757696891)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro Pack | $9.99 | one-time |


### ReefDrift

[App page](https://appshunter.io/ios/app/reefdrift-reef-parameter-log/id6775145577)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReefDrift Pro Monthly | $3.99 | per month |
| ReefDrift Pro Yearly | $19.99 | per year |
| ReefDrift Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Fish Tank Tracker free?

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

### Is ReefDrift free?

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

### Do Fish Tank Tracker or ReefDrift have ads?

ReefDrift shows ads; Fish Tank Tracker does not.

### Which is updated more often, Fish Tank Tracker or ReefDrift?

Fish Tank Tracker ships an update every 6 weeks, and ReefDrift every 2 weeks. Most recently, Fish Tank Tracker was updated on October 10, 2026 and ReefDrift on October 10, 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.*