# 公式大师 vs Item Log

The clearest difference is in-app purchases: 公式大师 at none against Item Log's 2. 公式大师 also leads on iOS requirement (14.0 vs 16.6). Item Log's advantage is update cadence (weekly vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. Item Log sells 2 in-app purchases, starting at $3.99 per year. 公式大师 asks for nothing beyond the download.

公式大师 ships an update fortnightly, Item Log weekly. The most recent releases landed on October 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 公式大师 | Item Log |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | — | Freemium |
| Size | 10 MB | 35 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [红梅 饶](https://appshunter.io/developer/1797564965) | [RainbowTime Co., Ltd](https://appshunter.io/developer/1340897837) |

## What reviewers say

### 公式大师

[App page](https://appshunter.io/ios/app/id6575364770)

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

**In-app purchases:** none


### Item Log

[App page](https://appshunter.io/ios/app/item-log-inventory-tracker/id6760478884)

Track personal possessions, digital assets, and recurring subscriptions. Understand your total asset value, monitor spending on services, and avoid missed renewal dates. Keep all your belongings and recurring payments organized in one place.

**Highlights:** Track personal items and digital devices, Organize items by category, View total asset value, Manage recurring subscriptions, Monitor monthly spending and renewal dates, Clean data dashboards

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 年度会员 | $3.99 | per year |
| 永久会员 | $4.99 | one-time |


## Frequently asked questions

### Is 公式大师 free?

公式大师 is free to download, with no in-app purchases.

### Is Item Log free?

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

### Do 公式大师 or Item Log have ads?

Neither 公式大师 nor Item Log shows ads.

### Which is updated more often, 公式大师 or Item Log?

公式大师 ships an update fortnightly, and Item Log weekly. Most recently, 公式大师 was updated on October 6, 2026 and Item Log 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.*