# myAI® vs ReefATLAS PAR Estimator

The clearest difference is rating: ReefATLAS PAR Estimator at 5.0 against myAI®'s 2.3. ReefATLAS PAR Estimator also leads on update cadence (daily vs every 3 months). myAI®'s advantage is in-app purchases (none vs 1) and ratings volume (290 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ReefATLAS PAR Estimator sells 1 in-app purchase, starting at $4.99 per month. myAI® asks for nothing beyond the download.

ReefATLAS PAR Estimator holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: myAI® has 290 ratings behind it against 1, so its average is the more settled of the two.

myAI® ships an update every 3 months, ReefATLAS PAR Estimator daily. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | myAI® | ReefATLAS PAR Estimator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (290 ratings)](https://appshunter.io/ios/app/myai/id731463335/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/reefatlas-par-estimator/id6777574663/reviews)** |
| Number of ratings | **290** | 1 |
| Positive reviews | 20.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | **Free** | Subscription |
| Size | 53 MB | 27 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [C2 Development, LLC](https://appshunter.io/developer/731463338) | [JONATHAN ALBERT PITTMAN](https://appshunter.io/developer/6777574665) |

## What reviewers say

### myAI®

[App page](https://appshunter.io/ios/app/myai/id731463335)

Manage your wirelessly enabled aquarium devices remotely. Set custom lighting schedules, adjust colors, and preview changes. Features include coral acclimation mode and realistic lunar cycles.

**Highlights:** Remote device control, Customizable light timers, Color sliders and Kelvin control, Coral acclimation mode, Realistic lunar cycle effects, Preset sharing and saving

**Features:** Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ⭐ Works great
- 🤖 AI app works well
- 👍 Easy to set up and use
- 🌙 Lunar functionality works fine
- 🌱 Coral acclimation feature is great

**What reviewers complain about**

- 🐛 Buggy app with constant issues
- 🔌 Bluetooth-only connectivity is limiting
- 🕰️ Time/date issues cause schedule problems
- 🤯 Complicated and unintuitive interface
- 🚫 Unreliable connectivity and frequent timeouts

**Reported bugs**

- App crashes after updates
- Lighting schedules not working properly
- Devices not recognized or disconnecting
- Time/date resets to incorrect values
- Acclimation mode gets stuck or doesn't work

**Requested features**

- Add preset saving and loading
- Enable WiFi connectivity
- Improve app organization and navigation
- Provide detailed instructions and tutorials
- Add smart home integration capabilities


### ReefATLAS PAR Estimator

[App page](https://appshunter.io/ios/app/reefatlas-par-estimator/id6777574663)

This app helps reef aquarium enthusiasts estimate and visualize light distribution without a PAR meter. It allows users to input tank dimensions, lighting equipment, and water conditions to predict PAR levels and make informed decisions about coral placement and lighting setups. The tool offers interactive 3D visualizations and supports a wide range of popular reef lighting systems.

**Highlights:** Interactive 3D PAR heatmap visualization, Support for popular reef aquarium lighting systems, Multi-fixture light array setup, Fixture placement and angle controls, Spectrum and intensity adjustment tools, Custom tank dimension configuration, Surface agitation and lid modeling

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReefATLAS PAR Estimator Monthly | $4.99 | per month |


## Frequently asked questions

### Is myAI® free?

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

### Is ReefATLAS PAR Estimator free?

ReefATLAS PAR Estimator is free to download, with in-app purchases available.

### Which has better reviews, myAI® or ReefATLAS PAR Estimator?

ReefATLAS PAR Estimator is rated higher. myAI® averages 2.3 out of 5 from 290 ratings, while ReefATLAS PAR Estimator averages 5.0 from 1 ratings.

### Do myAI® or ReefATLAS PAR Estimator have ads?

Neither myAI® nor ReefATLAS PAR Estimator shows ads.

### Which is updated more often, myAI® or ReefATLAS PAR Estimator?

myAI® ships an update every 3 months, and ReefATLAS PAR Estimator daily. Most recently, myAI® was updated on October 24, 2026 and ReefATLAS PAR Estimator on October 19, 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.*