# 案件查询助手 vs Otterfile

The clearest difference is update cadence: Otterfile at every 2 months against 案件查询助手's every 6 months. 案件查询助手's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 案件查询助手 sells 2 one-off in-app purchases and Otterfile sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

案件查询助手 ships an update every 6 months, Otterfile every 2 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | 案件查询助手 | Otterfile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 33 MB | 120 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Sichuan future Three Kingdoms Enterprise Management Consulting Co., Ltd](https://appshunter.io/developer/1584626609) | [宁 权](https://appshunter.io/developer/1710975082) |

## What reviewers say

### 案件查询助手

[App page](https://appshunter.io/ios/app/id6746237570)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 案件查询一键获取 | $3.99 | one-time |
| 企业案件一键获取 | $4.99 | one-time |


### Otterfile

[App page](https://appshunter.io/ios/app/otterfile/id6760924129)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Month Purchase | $0.99 | per month |
| Year Purchase | $6.99 | per year |
| Lifetime Prucahse | $9.99 | one-time |


## Frequently asked questions

### Is 案件查询助手 free?

案件查询助手 is free to download, with in-app purchases available.

### Is Otterfile free?

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

### Do 案件查询助手 or Otterfile have ads?

Neither 案件查询助手 nor Otterfile shows ads.

### Which is updated more often, 案件查询助手 or Otterfile?

案件查询助手 ships an update every 6 months, and Otterfile every 2 months. Most recently, 案件查询助手 was updated on October 25, 2026 and Otterfile on October 25, 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.*