# DietDiary AI vs NutriSimple

The clearest difference is ads: NutriSimple at none against DietDiary AI's shown. NutriSimple also leads on iOS requirement (13 vs 15.1). DietDiary AI's advantage is update cadence (every 4 days vs every 4 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DietDiary AI ships an update every 4 days, NutriSimple every 4 months. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | DietDiary AI | NutriSimple |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 4 months |
| Size | 33 MB | 27 MB |
| Requires iOS | 15.1 | **13** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [GivenNow](https://appshunter.io/developer/480553770) | [Bee Hive Network Information Technology Limited](https://appshunter.io/developer/1133431498) |

## What reviewers say

### DietDiary AI

[App page](https://appshunter.io/ios/app/dietdiary-ai-calorie-tracker/id6755058085)

**In-app purchases:** none


### NutriSimple

[App page](https://appshunter.io/ios/app/nutrisimple/id6764004875)

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

**In-app purchases:** none


## Frequently asked questions

### Is DietDiary AI free?

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

### Is NutriSimple free?

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

### Do DietDiary AI or NutriSimple have ads?

DietDiary AI shows ads; NutriSimple does not.

### Which is updated more often, DietDiary AI or NutriSimple?

DietDiary AI ships an update every 4 days, and NutriSimple every 4 months. Most recently, DietDiary AI was updated on October 8, 2026 and NutriSimple on October 16, 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.*