# ECWatch vs Ai Calorie Tracker

The clearest difference is in-app purchases: ECWatch at none against Ai Calorie Tracker's 2. ECWatch also leads on iOS requirement (10.0 vs 15.1). Ai Calorie Tracker's advantage is update cadence (fortnightly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Ai Calorie Tracker sells 2 in-app purchases, starting at $3.99 per 7 days. ECWatch asks for nothing beyond the download.

ECWatch ships an update every 2 months, Ai Calorie Tracker fortnightly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ECWatch | Ai Calorie Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (37 ratings)](https://appshunter.io/ios/app/ai-calorie-tracker-nutora/id6749481633/reviews)** |
| Number of ratings | — | **37** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 17 MB | 58 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [胜奇 简](https://appshunter.io/developer/1502388793) | [Ayoub Farid](https://appshunter.io/developer/1804454904) |

## What reviewers say

### ECWatch

[App page](https://appshunter.io/ios/app/ecwatch/id1528834594)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ai Calorie Tracker

[App page](https://appshunter.io/ios/app/ai-calorie-tracker-nutora/id6749481633)

Effortlessly track your calorie and nutrition intake by simply taking a photo of your meal. The AI instantly identifies food, counts calories, and analyzes nutritional values, providing daily and weekly progress insights.

**Highlights:** AI-powered food recognition, Instant calorie and nutrition breakdown, Daily and weekly progress tracking, Multi-language support, Cloud backup and sync, Personalized health tips

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SnapCal Weekly | $3.99 | per 7 days |
| SnapCal Yearly | $24.99 | per year |


## Frequently asked questions

### Is ECWatch free?

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

### Is Ai Calorie Tracker free?

Ai Calorie Tracker is free to download, with in-app purchases available.

### Do ECWatch or Ai Calorie Tracker have ads?

Neither ECWatch nor Ai Calorie Tracker shows ads.

### Which is updated more often, ECWatch or Ai Calorie Tracker?

ECWatch ships an update every 2 months, and Ai Calorie Tracker fortnightly. Most recently, ECWatch was updated on October 25, 2026 and Ai Calorie Tracker on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*