# PanRan vs 注册计量师真题库

The clearest difference is update cadence: PanRan at monthly against 注册计量师真题库's every 12 months. 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.

PanRan ships an update monthly, 注册计量师真题库 every 12 months. The most recent releases landed on September 15, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | PanRan | 注册计量师真题库 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 12 months |
| Monetization | — | Free with in-app purchases |
| Size | 99 MB | 56 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [泰安磐然测控科技有限公司](https://appshunter.io/developer/1517958619) | [将军 黄](https://appshunter.io/developer/1745234400) |

## What reviewers say

### PanRan

[App page](https://appshunter.io/ios/app/panran/id1517958620)

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

**In-app purchases:** none


### 注册计量师真题库

[App page](https://appshunter.io/ios/app/2025/id6738836183)

This app provides practice questions and mock exams for the Registered Metrologist qualification exam. It covers exam syllabi and official textbooks, offering daily exercises, topic-specific practice, and simulated test environments to help candidates prepare effectively.

**Highlights:** Daily practice tests, Topic-specific exercises, Past exam papers, Mock exam simulations, Exam syllabus coverage

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

**In-app purchases:** none


## Frequently asked questions

### Is PanRan free?

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

### Is 注册计量师真题库 free?

注册计量师真题库 is free to download, with no in-app purchases.

### Do PanRan or 注册计量师真题库 have ads?

Neither PanRan nor 注册计量师真题库 shows ads.

### Which is updated more often, PanRan or 注册计量师真题库?

PanRan ships an update monthly, and 注册计量师真题库 every 12 months. Most recently, PanRan was updated on September 15, 2026 and 注册计量师真题库 on September 7, 2026.

---

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