# 致臻研習社 vs Parent Net

The clearest difference is update cadence: Parent Net at every 2 months against 致臻研習社's every 6 months. Parent Net also leads on iOS requirement (11.0 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, Parent Net every 2 months. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 致臻研習社 | Parent Net |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 71 MB | 14 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [ACME Learning Centre Limited](https://appshunter.io/developer/1484036003) | [Hong Kong Educational Publishing Company](https://appshunter.io/developer/435291185) |

## What reviewers say

### 致臻研習社

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Parent Net

[App page](https://appshunter.io/ios/app/parent-net/id6447859058)

**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 Parent Net free?

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

### Do 致臻研習社 or Parent Net have ads?

Neither 致臻研習社 nor Parent Net shows ads.

### Which is updated more often, 致臻研習社 or Parent Net?

致臻研習社 ships an update every 6 months, and Parent Net every 2 months. Most recently, 致臻研習社 was updated on October 19, 2026 and Parent Net on October 17, 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.*