# 问测 vs 诠天八字

The clearest difference is update cadence: 诠天八字 at every 11 days against 问测's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 问测 sells 2 one-off in-app purchases and 诠天八字 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

问测 ships an update monthly, 诠天八字 every 11 days. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 问测 | 诠天八字 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Size | 10 MB | 32 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [�lh liang](https://appshunter.io/developer/1010720382) | [Quantian Culture](https://appshunter.io/developer/1716554280) |

## What reviewers say

### 问测

[App page](https://appshunter.io/ios/app/id1343090237)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 机缘卡 | $1.99 | one-time |
| 风水咨询定金 / 風水諮詢定金/Feng Shui Deposit | $39.99 | one-time |


### 诠天八字

[App page](https://appshunter.io/ios/app/id6758229791)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bazi Compatibility Analysis | $12.99 | one-time |
| Professional Naming | $29.99 | one-time |
| Bazi Reading | $29.99 | one-time |


## Frequently asked questions

### Is 问测 free?

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

### Is 诠天八字 free?

诠天八字 is free to download, with in-app purchases available.

### Do 问测 or 诠天八字 have ads?

Neither 问测 nor 诠天八字 shows ads.

### Which is updated more often, 问测 or 诠天八字?

问测 ships an update monthly, and 诠天八字 every 11 days. Most recently, 问测 was updated on October 29, 2026 and 诠天八字 on October 28, 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.*