# Quobby vs CSCA Academy

The clearest difference is review sentiment: Quobby at 100% against CSCA Academy's 0%. CSCA Academy's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Quobby sells 2 in-app purchases, starting at $3.99 per month and CSCA Academy sells 14 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Quobby ships an update every 5 days, CSCA Academy weekly. The most recent releases landed on October 6, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Quobby | CSCA Academy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/quobby/id6758044478/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 20 MB | 55 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [denis moskalenko](https://appshunter.io/developer/1870528101) | [文燕 张](https://appshunter.io/developer/1889360620) |

## What reviewers say

### Quobby

[App page](https://appshunter.io/ios/app/quobby/id6758044478)

Enhance your learning with a comprehensive study tool. Create adaptive flashcards, scan documents, take notes, track habits, and block distractions. Collaborate with friends and access community-created study materials.

**Highlights:** Spaced repetition flashcards, Document scanning and OCR, Handwritten note-taking, Habit tracking with streaks, App blocking for focus, Community flashcard decks, Real-time study challenges

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quobby Monthly Premium | $3.99 | per month |
| Quobby Yearly Premium | $34.99 | per year |


### CSCA Academy

[App page](https://appshunter.io/ios/app/csca-academy/id6761810697)

Prepare for the China Scholastic Competency Assessment (CSCA) with a comprehensive question bank, timed mock exams, and detailed explanations. Track your progress by subject and focus on areas needing improvement. Study effectively with cross-device sync and support for multiple languages.

**Highlights:** Past paper question bank, Timed mock exams, Prediction exams, Smart notebook for wrong answers, Worked explanations, Progress tracking, Cross-device sync

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mathematics Prediction Papers | $12.99 | one-time |
| Physics Prediction Papers | $12.99 | one-time |
| STEM Chinese Past Papers | $14.99 | one-time |
| Physics Past Papers 15% OFF | $18.99 | one-time |
| Humanities Chinese Past Papers | $18.99 | one-time |
| Mathematics Past Papers | $18.99 | one-time |
| Chemistry PDF Papers 15% OFF | $22.99 | one-time |
| Physics PDF Papers 15% OFF | $22.99 | one-time |
| Mathematics PDF Papers 15% OFF | $22.99 | one-time |
| Humanities Chinese PDFs 15% OFF | $22.99 | one-time |
| STEM Chinese PDFs 15% OFF | $22.99 | one-time |
| Mathematics PDF Prediction Papers | $22.99 | one-time |
| Physics PDF Prediction Papers | $22.99 | one-time |
| Physics Complete Bundle | $35.99 | one-time |


## Frequently asked questions

### Is Quobby free?

Quobby is free to download, with in-app purchases available.

### Is CSCA Academy free?

CSCA Academy is free to download, with in-app purchases available.

### Do Quobby or CSCA Academy have ads?

Neither Quobby nor CSCA Academy shows ads.

### Which is updated more often, Quobby or CSCA Academy?

Quobby ships an update every 5 days, and CSCA Academy weekly. Most recently, Quobby was updated on October 6, 2026 and CSCA Academy on October 19, 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.*