# AC Smart vs Sino AI

The clearest difference is in-app purchases: AC Smart at none against Sino AI's 1. AC Smart also leads on ads (none vs shown) and iOS requirement (10.0 vs 15.0). Sino AI's advantage is update cadence (every 3 days vs every 9 days). On price and device support there is nothing between them.

Both are free to download. Sino AI sells 1 in-app purchase, starting at $72.00 per year. AC Smart asks for nothing beyond the download.

AC Smart ships an update every 9 days, Sino AI every 3 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AC Smart | Sino AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 124 MB | 145 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Fong Tat Chow](https://appshunter.io/developer/1707113235) | [SINO AI TECHNOLOGIES MCHJ](https://appshunter.io/developer/1843358071) |

## What reviewers say

### AC Smart

[App page](https://appshunter.io/ios/app/ac-smart/id6476858006)

Track your fitness and health with this app, which connects to sport bands via Bluetooth. Monitor sports and sleep statistics, set goals, and calculate calories. Integrates with HealthKit for a comprehensive view of your well-being.

**Highlights:** Sports statistics tracking, Sleep statistics tracking, Sport goal setting, Calorie calculation, HealthKit integration, Bluetooth device connection

**Features:** macOS Compatibility

**In-app purchases:** none


### Sino AI

[App page](https://appshunter.io/ios/app/sino-ai/id6753293302)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sino AI Premium | $72.00 | per year |


## Frequently asked questions

### Is AC Smart free?

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

### Is Sino AI free?

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

### Do AC Smart or Sino AI have ads?

Sino AI shows ads; AC Smart does not.

### Which is updated more often, AC Smart or Sino AI?

AC Smart ships an update every 9 days, and Sino AI every 3 days. Most recently, AC Smart was updated on October 24, 2026 and Sino AI on October 30, 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.*