# Quobby vs ZhiGe

The clearest difference is iOS requirement: ZhiGe at 15.1 against Quobby's 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 ZhiGe sells 7 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Quobby ships an update weekly, ZhiGe every 10 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Quobby | ZhiGe |
| --- | --- | --- |
| 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 | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 42 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [denis moskalenko](https://appshunter.io/developer/1870528101) | [良玉 侯](https://appshunter.io/developer/1879665668) |

## 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 |


### ZhiGe

[App page](https://appshunter.io/ios/app/zhige/id6759592391)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $0.99 | per month |
| Pro Monthly | $1.99 | per month |
| Basic Annual | $14.99 | per year |
| Pro Annual | $22.99 | per year |
| Starter Pack | $0.99 | one-time |
| Standard Pack | $1.99 | one-time |
| Pro Pack | $4.99 | one-time |


## Frequently asked questions

### Is Quobby free?

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

### Is ZhiGe free?

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

### Do Quobby or ZhiGe have ads?

Neither Quobby nor ZhiGe shows ads.

### Which is updated more often, Quobby or ZhiGe?

Quobby ships an update weekly, and ZhiGe every 10 days. Most recently, Quobby was updated on October 23, 2026 and ZhiGe on October 24, 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.*