# Nutriday AI vs 知食AI：饮食记录营养分析健康减肥食谱

The clearest difference is monetization model: 知食AI：饮食记录营养分析健康减肥食谱 at free with in-app purchases against Nutriday AI's subscription. 知食AI：饮食记录营养分析健康减肥食谱 also leads on update cadence (every 5 days vs fortnightly) and iOS requirement (13.0 vs 15.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Nutriday AI sells 10 in-app purchases, starting at $29.99 per year and 知食AI：饮食记录营养分析健康减肥食谱 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Nutriday AI against 5.0 for 知食AI：饮食记录营养分析健康减肥食谱. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Nutriday AI ships an update fortnightly, 知食AI：饮食记录营养分析健康减肥食谱 every 5 days. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Nutriday AI | 知食AI：饮食记录营养分析健康减肥食谱 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/nutriday-ai/id6566187315/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/ai/id6677014256/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 30 MB | 65 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [北京翔天时代科技有限公司](https://appshunter.io/developer/1758716502) | [杭州慢活健康科技有限公司](https://appshunter.io/developer/1756858465) |

## What reviewers say

### Nutriday AI

[App page](https://appshunter.io/ios/app/nutriday-ai/id6566187315)

This app acts as a personal nutrition coach, providing science-backed, customized meal plans and dietary guidance for chronic conditions. It uses AI to analyze food intake from photos and offers optimization suggestions to improve eating patterns.

**Highlights:** Customized meal plans for chronic conditions, AI-powered food logging and analysis, Smart dietary guidance with food alerts, Practical guidance for various dining scenarios, Actionable optimization suggestions

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP 包年 | $29.99 | per year |
| 5 颗豆子 | $0.99 | one-time |
| 1 颗豆子 | $0.99 | one-time |
| 25 颗豆子 | $3.99 | one-time |
| 50 颗豆子 | $6.99 | one-time |
| 60 颗豆子 | $8.99 | one-time |
| 98 颗豆子 | $14.99 | one-time |
| 158 颗豆子 | $22.99 | one-time |
| 198 颗豆子 | $29.99 | one-time |
| 298 颗豆子 | $39.99 | one-time |


### 知食AI：饮食记录营养分析健康减肥食谱

[App page](https://appshunter.io/ios/app/ai/id6677014256)

This app helps you track your food intake and analyze its nutritional content. It provides detailed reports on macronutrients, vitamins, and minerals, offering personalized insights for balanced eating and weight management.

**Highlights:** Dietary logging with photo recognition, Detailed nutritional analysis (macros, vitamins, minerals), Personalized dietary reports, Weight management and fat loss themes, Interactive nutrient tracking, Food diversity and quality assessment

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员特惠 | $2.99 | one-time |


## Frequently asked questions

### Is Nutriday AI free?

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

### Is 知食AI：饮食记录营养分析健康减肥食谱 free?

知食AI：饮食记录营养分析健康减肥食谱 is free to download, with in-app purchases available.

### Which has better reviews, Nutriday AI or 知食AI：饮食记录营养分析健康减肥食谱?

Nutriday AI and 知食AI：饮食记录营养分析健康减肥食谱 are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Nutriday AI or 知食AI：饮食记录营养分析健康减肥食谱 have ads?

Neither Nutriday AI nor 知食AI：饮食记录营养分析健康减肥食谱 shows ads.

### Which is updated more often, Nutriday AI or 知食AI：饮食记录营养分析健康减肥食谱?

Nutriday AI ships an update fortnightly, and 知食AI：饮食记录营养分析健康减肥食谱 every 5 days. Most recently, Nutriday AI was updated on October 17, 2026 and 知食AI：饮食记录营养分析健康减肥食谱 on October 8, 2026.

---

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