# 看畫1：1AR vs HKDSE Math Practice & Notes

The clearest difference is in-app purchases: 看畫1：1AR at none against HKDSE Math Practice & Notes's 2. 看畫1：1AR also leads on iOS requirement (13.0 vs 15.6). HKDSE Math Practice & Notes's advantage is update cadence (every 3 days vs every 11 months). On price, ads and device support there is nothing between them.

Both are free to download. HKDSE Math Practice & Notes sells 2 one-off in-app purchases. 看畫1：1AR asks for nothing beyond the download.

看畫1：1AR ships an update every 11 months, HKDSE Math Practice & Notes every 3 days. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 看畫1：1AR | HKDSE Math Practice & Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 days** |
| Size | 179 MB | 182 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DESIGN AND CULTURAL STUDIES WORKSHOP LIMITED](https://appshunter.io/developer/1442813794) | [Pickmy AI](https://appshunter.io/developer/1869516043) |

## What reviewers say

### 看畫1：1AR

[App page](https://appshunter.io/ios/app/11ar/id1602123142)

**Features:** macOS Compatibility

**In-app purchases:** none


### HKDSE Math Practice & Notes

[App page](https://appshunter.io/ios/app/hkdse-math-practice-and-notes/id6809379110)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math Pro 180 Days | $19.99 | one-time |
| Math Pro 90 Days | $19.99 | one-time |


## Frequently asked questions

### Is 看畫1：1AR free?

看畫1：1AR is free to download, with no in-app purchases.

### Is HKDSE Math Practice & Notes free?

HKDSE Math Practice & Notes is free to download, with in-app purchases available.

### Do 看畫1：1AR or HKDSE Math Practice & Notes have ads?

Neither 看畫1：1AR nor HKDSE Math Practice & Notes shows ads.

### Which is updated more often, 看畫1：1AR or HKDSE Math Practice & Notes?

看畫1：1AR ships an update every 11 months, and HKDSE Math Practice & Notes every 3 days. Most recently, 看畫1：1AR was updated on October 3, 2026 and HKDSE Math Practice & Notes on October 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.*