# 吾身 vs Useday

The clearest difference is price: 吾身 at Free against Useday's $0.99. 吾身 also leads on iOS requirement (11.0 vs 15.0). Useday's advantage is in-app purchases (none vs 1) and update cadence (every 9 days vs every 6 weeks). On ads and device support there is nothing between them.

吾身 is free to download; Useday costs $0.99 up front. 吾身 sells 1 one-off in-app purchase. Useday asks for nothing beyond the download.

吾身 ships an update every 6 weeks, Useday every 9 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 吾身 | Useday |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/useday/id6785444400/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 56 MB | 3 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [华盛 卢](https://appshunter.io/developer/1544700408) | [华周 韦](https://appshunter.io/developer/6782736887) |

## What reviewers say

### 吾身

[App page](https://appshunter.io/ios/app/id1671694906)

This app helps you track and manage your habits, both good and bad. It offers multi-dimensional analysis, statistical tracking, and periodic reviews, with the ability to export your data.

**Highlights:** Habit tracking, Mood tracking, Water intake logging, Multi-dimensional analysis, Statistical tracking, Periodic reviews, Data export

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级版 | $2.99 | one-time |


### Useday

[App page](https://appshunter.io/ios/app/useday/id6785444400)

Easily track the usage frequency of your everyday items without complex data entry. Simply tap items you've used today to monitor their activity and discover your most and least utilized possessions. Organize, archive, and sync your data seamlessly.

**Highlights:** Track daily item usage, View recent usage, Discover most used items, Identify unused items, Organize items by group, Sync data via iCloud

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

**In-app purchases:** none


## Frequently asked questions

### Is 吾身 free?

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

### Is Useday free?

Useday costs $0.99, with no in-app purchases.

### Do 吾身 or Useday have ads?

Neither 吾身 nor Useday shows ads.

### Which is updated more often, 吾身 or Useday?

吾身 ships an update every 6 weeks, and Useday every 9 days. Most recently, 吾身 was updated on November 3, 2026 and Useday on October 31, 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.*