# 振慧测 vs PopJoy!

The clearest difference is update cadence: PopJoy! at weekly against 振慧测's monthly. PopJoy! also leads on iOS requirement (13 vs 15.0). 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.

振慧测 ships an update monthly, PopJoy! weekly. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 振慧测 | PopJoy! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 81 MB | 76 MB |
| Requires iOS | 15.0 | **13** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [青岛追寻科技有限公司](https://appshunter.io/developer/1753878636) | [Shenzhen Guangsheng Artificial Intelligence Technology Co., Ltd](https://appshunter.io/developer/1869547876) |

## What reviewers say

### 振慧测

[App page](https://appshunter.io/ios/app/id1621688544)

**Features:** Vision Pro support

**In-app purchases:** none


### PopJoy!

[App page](https://appshunter.io/ios/app/popjoy/id6779580073)

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

**In-app purchases:** none


## Frequently asked questions

### Is 振慧测 free?

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

### Is PopJoy! free?

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

### Do 振慧测 or PopJoy! have ads?

Neither 振慧测 nor PopJoy! shows ads.

### Which is updated more often, 振慧测 or PopJoy!?

振慧测 ships an update monthly, and PopJoy! weekly. Most recently, 振慧测 was updated on October 30, 2026 and PopJoy! on November 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.*