# 致臻研習社 vs Popular Learning Centre

The clearest difference is update cadence: Popular Learning Centre at every 2 months against 致臻研習社's every 6 months. Popular Learning Centre also leads on iOS requirement (12.0 vs 14.0). 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.

致臻研習社 ships an update every 6 months, Popular Learning Centre every 2 months. The most recent releases landed on May 19, 2026 and August 9, 2026 respectively.

## The numbers

| Metric | 致臻研習社 | Popular Learning Centre |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 71 MB | 21 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ACME Learning Centre Limited](https://appshunter.io/developer/1484036003) | [Dreamware Limited](https://appshunter.io/developer/892413586) |

## What reviewers say

### 致臻研習社

[App page](https://appshunter.io/ios/app/id1484036004)

**Features:** macOS Compatibility

**In-app purchases:** none


### Popular Learning Centre

[App page](https://appshunter.io/ios/app/popular-learning-centre/id6535680459)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 致臻研習社 free?

致臻研習社 is free to download, with no in-app purchases.

### Is Popular Learning Centre free?

Popular Learning Centre is free to download, with no in-app purchases.

### Do 致臻研習社 or Popular Learning Centre have ads?

Neither 致臻研習社 nor Popular Learning Centre shows ads.

### Which is updated more often, 致臻研習社 or Popular Learning Centre?

致臻研習社 ships an update every 6 months, and Popular Learning Centre every 2 months. Most recently, 致臻研習社 was updated on May 19, 2026 and Popular Learning Centre on August 9, 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.*