# 打坐日记 vs Smart Weight Tracker

The clearest difference is in-app purchases: Smart Weight Tracker at none against 打坐日记's 2. Smart Weight Tracker also leads on update cadence (every 3 days vs every 5 weeks). 打坐日记's advantage is ads (none vs shown) and iOS requirement (13.0 vs 16.6). On price and device support there is nothing between them.

Both are free to download. 打坐日记 sells 2 in-app purchases, starting at $14.99 per year. Smart Weight Tracker asks for nothing beyond the download.

打坐日记 ships an update every 5 weeks, Smart Weight Tracker every 3 days. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 打坐日记 | Smart Weight Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smart-weight-tracker/id6748303572/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | — | Ad-supported |
| Size | 54 MB | 9 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [清阳 刘](https://appshunter.io/developer/1824569327) | [Matrix Software Co.](https://appshunter.io/developer/1457004046) |

## What reviewers say

### 打坐日记

[App page](https://appshunter.io/ios/app/id6748268488)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 会员费用 | $14.99 | per year |
| 打坐教程 | $39.99 | one-time |


### Smart Weight Tracker

[App page](https://appshunter.io/ios/app/smart-weight-tracker/id6748303572)

This app helps you manage your weight and track daily calories with smart tools. It offers personalized goals, progress visualization, and reminders to keep you on track. Features include a BMI calculator, calorie monitoring, and camera integration for food estimates.

**Highlights:** Smart BMI calculator with visualizations, Daily weight tracking and progress charts, Calorie intake and expenditure monitoring, Personalized weight goals and recommendations, Progress visualization with charts and graphs, Smart reminders for weigh-ins, Camera integration for AI calorie estimates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 打坐日记 free?

打坐日记 is free to download, with in-app purchases available.

### Is Smart Weight Tracker free?

Smart Weight Tracker is free to download, with no in-app purchases.

### Do 打坐日记 or Smart Weight Tracker have ads?

Smart Weight Tracker shows ads; 打坐日记 does not.

### Which is updated more often, 打坐日记 or Smart Weight Tracker?

打坐日记 ships an update every 5 weeks, and Smart Weight Tracker every 3 days. Most recently, 打坐日记 was updated on October 5, 2026 and Smart Weight Tracker on October 6, 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.*