# Passive Sampler vs Matcha AI・Food Calorie Scanner

The clearest difference is in-app purchases: Passive Sampler at none against Matcha AI・Food Calorie Scanner's 5. Matcha AI・Food Calorie Scanner's advantage is update cadence (every 8 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Matcha AI・Food Calorie Scanner sells 5 in-app purchases, starting at $5.99 per 7 days. Passive Sampler asks for nothing beyond the download.

Passive Sampler ships an update every 3 weeks, Matcha AI・Food Calorie Scanner every 8 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Passive Sampler | Matcha AI・Food Calorie Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (200 ratings)](https://appshunter.io/ios/app/matcha-aifood-calorie-scanner/id6741854680/reviews)** |
| Number of ratings | — | **200** |
| Positive reviews | — | 69.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 49 MB | 38 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EuropeAir](https://appshunter.io/developer/725509118) | [Matcha Blooms Studio](https://appshunter.io/developer/1795916329) |

## What reviewers say

### Passive Sampler

[App page](https://appshunter.io/ios/app/passive-sampler/id1533994629)

**Features:** macOS Compatibility

**In-app purchases:** none


### Matcha AI・Food Calorie Scanner

[App page](https://appshunter.io/ios/app/matcha-aifood-calorie-scanner/id6741854680)

Effortlessly track your nutrition by simply taking a photo of your meal. This AI-powered app instantly estimates calories, macronutrients, and portion sizes, making healthy eating and fitness goals more achievable.

**Highlights:** AI-powered calorie tracking, Photo calorie counter, Smart food scanner, Accurate meal tracker, Personalized insights, Track meals, snacks, and extras

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Matcha AI weekly plan | $5.99 | per 7 days |
| Monthly Plan | $9.99 | per month |
| Matcha AI Special Offer | $23.99 | per year |
| Annual Plan + Free Trial | $34.99 | per year |
| Lifetime Plan | $24.99 | one-time |

**What reviewers like**

- 🚀 Accurate calorie and nutrient tracking
- 👍 Easy to use and navigate
- 🚀 Efficient AI-powered food recognition
- 💪 Helpful for weight loss and fitness goals
- 🚀 Time-saving meal tracking

**What reviewers complain about**

- 🐛 Issues with redeeming free lifetime offer
- 🔒 Privacy concerns and data mining complaints
- 🐛 Occasional app crashes and bugs

**Reported bugs**

- Inability to restore purchases
- Onboarding process issues

**Requested features**

- More defined workout features
- Expanded user customization options


## Frequently asked questions

### Is Passive Sampler free?

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

### Is Matcha AI・Food Calorie Scanner free?

Matcha AI・Food Calorie Scanner is free to download, with in-app purchases available.

### Do Passive Sampler or Matcha AI・Food Calorie Scanner have ads?

Neither Passive Sampler nor Matcha AI・Food Calorie Scanner shows ads.

### Which is updated more often, Passive Sampler or Matcha AI・Food Calorie Scanner?

Passive Sampler ships an update every 3 weeks, and Matcha AI・Food Calorie Scanner every 8 days. Most recently, Passive Sampler was updated on October 25, 2026 and Matcha AI・Food Calorie Scanner on October 24, 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.*