# 按时吃药哦 vs Datata

The clearest difference is in-app purchases: 按时吃药哦 at none against Datata's 1. 按时吃药哦 also leads on update cadence (daily vs every 6 days). Datata's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Datata sells 1 one-off in-app purchase. 按时吃药哦 asks for nothing beyond the download.

按时吃药哦 ships an update daily, Datata every 6 days. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 按时吃药哦 | Datata |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 6 days |
| Size | 4 MB | 29 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [亭一 王](https://appshunter.io/developer/1891533973) | [茜 赵](https://appshunter.io/developer/1896471528) |

## What reviewers say

### 按时吃药哦

[App page](https://appshunter.io/ios/app/id6762087061)

**Features:** macOS Compatibility

**In-app purchases:** none


### Datata

[App page](https://appshunter.io/ios/app/datata/id6798297393)

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Datata Pro | $2.99 | one-time |


## Frequently asked questions

### Is 按时吃药哦 free?

按时吃药哦 is free to download, with no in-app purchases.

### Is Datata free?

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

### Do 按时吃药哦 or Datata have ads?

Neither 按时吃药哦 nor Datata shows ads.

### Which is updated more often, 按时吃药哦 or Datata?

按时吃药哦 ships an update daily, and Datata every 6 days. Most recently, 按时吃药哦 was updated on November 9, 2026 and Datata on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*