# Food_Diary vs SPARK SCALE

The clearest difference is in-app purchases: Food_Diary at none against SPARK SCALE's 2. SPARK SCALE's advantage is iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. SPARK SCALE sells 2 in-app purchases, starting at $0.99 per month. Food_Diary asks for nothing beyond the download.

## The numbers

| Metric | Food_Diary | SPARK SCALE |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 72 MB | 47 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seung-Un Ham](https://appshunter.io/developer/447543367) | [Yen Hsi Chen](https://appshunter.io/developer/6793039789) |

## What reviewers say

### Food_Diary

[App page](https://appshunter.io/ios/app/food-diary/id6754222492)

This app provides a visual food diary on a calendar, allowing you to see all your meals at a glance. It uses AI to generate meal images and estimate nutrition even if you forget to take a photo, and helps make sense of your health data by comparing it to averages.

**Highlights:** Visual meal diary on a calendar, AI-generated meal images, Estimated nutrition for meals, Health data comparison to averages, AI prompt for data breakdown

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

**In-app purchases:** none


### SPARK SCALE

[App page](https://appshunter.io/ios/app/spark-scale/id6814699374)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 月費方案 | $0.99 | per month |
| Pro 年費方案 | $7.99 | per year |


## Frequently asked questions

### Is Food_Diary free?

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

### Is SPARK SCALE free?

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

### Do Food_Diary or SPARK SCALE have ads?

Both Food_Diary and SPARK SCALE show ads.

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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.*