# AIPAI vs Reef Trak

The clearest difference is review sentiment: Reef Trak at 100% against AIPAI's 14%. Reef Trak also leads on rating (4.8 vs 1.0) and update cadence (weekly vs monthly). AIPAI's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Reef Trak sells 2 in-app purchases, starting at $3.99 per month. AIPAI asks for nothing beyond the download.

Reef Trak holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Reef Trak has 46 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 14% of AIPAI's written reviews are positive against 100% of Reef Trak's.

AIPAI ships an update monthly, Reef Trak weekly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | AIPAI | Reef Trak |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/aipai/id1600355144/reviews) | **[4.8 (46 ratings)](https://appshunter.io/ios/app/reef-trak-reef-manager/id6741099733/reviews)** |
| Number of ratings | 1 | **46** |
| Positive reviews | 13.6% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 29 MB | 121 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [淑典 王](https://appshunter.io/developer/1168444875) | [Reef Research Labs LLC](https://appshunter.io/developer/1793070192) |

## What reviewers say

### AIPAI

[App page](https://appshunter.io/ios/app/aipai/id1600355144)

Control your aquarium lighting and wave pumps with this intelligent IoT app. Features include sunrise/sunset simulation, manual timing, six-way dimming, and custom spectrum creation. Share your custom light spectrums with others.

**Highlights:** Sunrise/sunset simulation, Manual timing, Six-way dimming, Custom spectrum creation, Spectrum sharing, Control wave pumps

**Features:** macOS Compatibility

**In-app purchases:** none


### Reef Trak

[App page](https://appshunter.io/ios/app/reef-trak-reef-manager/id6741099733)

This app helps reef tank enthusiasts manage all aspects of their aquarium, from daily testing and livestock records to equipment tracking and maintenance schedules. It provides tools for data analysis, trend spotting, and preventing costly mistakes, offering both free and premium features.

**Highlights:** Parameter logging and trend charts, Livestock library with care profiles, Tank health snapshots and data export, Equipment and maintenance tracking, Dosing calculators and unit converters, Progress photo logging

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reef Trak Premium Monthly | $3.99 | per month |
| Reef Trak Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is AIPAI free?

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

### Is Reef Trak free?

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

### Which has better reviews, AIPAI or Reef Trak?

Reef Trak is rated higher. AIPAI averages 1.0 out of 5 from 1 ratings, while Reef Trak averages 4.8 from 46 ratings.

### Do AIPAI or Reef Trak have ads?

Neither AIPAI nor Reef Trak shows ads.

### Which is updated more often, AIPAI or Reef Trak?

AIPAI ships an update monthly, and Reef Trak weekly. Most recently, AIPAI was updated on October 24, 2026 and Reef Trak on October 28, 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.*