# 大事计 vs Blink

The clearest difference is update cadence: Blink at every 9 days against 大事计's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 大事计 sells 2 in-app purchases, starting at $1.99 per year and Blink sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

大事计 ships an update every 2 months, Blink every 9 days. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 大事计 | Blink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 20 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [min yao](https://appshunter.io/developer/983543203) | [荣晖 丁](https://appshunter.io/developer/1455797103) |

## What reviewers say

### 大事计

[App page](https://appshunter.io/ios/app/id6755911499)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包年 | $1.99 | per year |
| 永久解锁 | $2.99 | one-time |


### Blink

[App page](https://appshunter.io/ios/app/blink-morse-code-flashlight/id6762320826)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blink Pro Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is 大事计 free?

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

### Is Blink free?

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

### Do 大事计 or Blink have ads?

Neither 大事计 nor Blink shows ads.

### Which is updated more often, 大事计 or Blink?

大事计 ships an update every 2 months, and Blink every 9 days. Most recently, 大事计 was updated on October 10, 2026 and Blink on October 5, 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.*