# 简研 vs Timesheet

The clearest difference is update cadence: 简研 at every 5 weeks against Timesheet's every 4 months. 简研 also leads on iOS requirement (10.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

简研 ships an update every 5 weeks, Timesheet every 4 months. The most recent releases landed on September 7, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | 简研 | Timesheet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Size | 101 MB | 6 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai Mudi Biotech Co., Ltd.](https://appshunter.io/developer/1008561790) | [Hangzhou Tigermed Consulting Co.,Ltd.](https://appshunter.io/developer/1537723587) |

## What reviewers say

### 简研

[App page](https://appshunter.io/ios/app/id1361002001)

**Features:** macOS Compatibility

**In-app purchases:** none


### Timesheet

[App page](https://appshunter.io/ios/app/timesheet/id6472626324)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 简研 free?

简研 is free to download, with no in-app purchases.

### Is Timesheet free?

Timesheet is free to download, with no in-app purchases.

### Do 简研 or Timesheet have ads?

Neither 简研 nor Timesheet shows ads.

### Which is updated more often, 简研 or Timesheet?

简研 ships an update every 5 weeks, and Timesheet every 4 months. Most recently, 简研 was updated on September 7, 2026 and Timesheet on May 19, 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.*