# myAI® vs Stack

The clearest difference is in-app purchases: myAI® at none against Stack's 2. myAI® also leads on device support (4 vs 1) and iOS requirement (15.6 vs 18). Stack's advantage is update cadence (every 10 days vs every 3 months). On price and ads there is nothing between them.

Both are free to download. Stack sells 2 in-app purchases, starting at $7.99 per 7 days. myAI® asks for nothing beyond the download.

myAI® ships an update every 3 months, Stack every 10 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | myAI® | Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (290 ratings)](https://appshunter.io/ios/app/myai/id731463335/reviews)** | — |
| Number of ratings | **290** | — |
| Positive reviews | 20.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 53 MB | 30 MB |
| Requires iOS | **15.6** | 18 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [C2 Development, LLC](https://appshunter.io/developer/731463338) | [Muhammad Hanif Sugiyanto](https://appshunter.io/developer/1805376574) |

## 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


### Stack

[App page](https://appshunter.io/ios/app/stack-warranty-and-receipt/id6760860411)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stack Pro 1 Week | $7.99 | per 7 days |
| Stack Pro 1 Year | $129.99 | per year |


## Frequently asked questions

### Is myAI® free?

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

### Is Stack free?

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

### Do myAI® or Stack have ads?

Neither myAI® nor Stack shows ads.

### Which is updated more often, myAI® or Stack?

myAI® ships an update every 3 months, and Stack every 10 days. Most recently, myAI® was updated on October 24, 2026 and Stack 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.*