# 마이타이밍 vs 정석사주

The clearest difference is in-app purchases: 정석사주 at none against 마이타이밍's 8. 정석사주 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price, update cadence and ads there is nothing between them.

Both are free to download. 마이타이밍 sells 8 one-off in-app purchases. 정석사주 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 9 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | 마이타이밍 | 정석사주 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | Every 9 days |
| Size | 34 MB | 20 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [yongwon cha](https://appshunter.io/developer/1884293049) | [young min jeon](https://appshunter.io/developer/1831018804) |

## What reviewers say

### 마이타이밍

[App page](https://appshunter.io/ios/app/id6760401657)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10P | $0.99 | one-time |
| 30P | $2.99 | one-time |
| 50P | $4.99 | one-time |
| 100P | $9.99 | one-time |
| 300P | $29.99 | one-time |
| 500P | $49.99 | one-time |
| 1,000P | $99.99 | one-time |
| 2,000P | $199.99 | one-time |


### 정석사주

[App page](https://appshunter.io/ios/app/id6796765953)

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

**In-app purchases:** none


## Frequently asked questions

### Is 마이타이밍 free?

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

### Is 정석사주 free?

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

### Do 마이타이밍 or 정석사주 have ads?

Neither 마이타이밍 nor 정석사주 shows ads.

### Which is updated more often, 마이타이밍 or 정석사주?

마이타이밍 ships an update every 9 days, and 정석사주 every 9 days. Most recently, 마이타이밍 was updated on October 31, 2026 and 정석사주 on October 31, 2026.

---

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