# General Knowledge Notes & MCQs vs SoLangu

The clearest difference is in-app purchases: General Knowledge Notes & MCQs at none against SoLangu's 4. General Knowledge Notes & MCQs also leads on update cadence (every 10 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SoLangu sells 4 in-app purchases, starting at $6.99 per 7 days. General Knowledge Notes & MCQs asks for nothing beyond the download.

General Knowledge Notes & MCQs ships an update every 10 days, SoLangu monthly. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | General Knowledge Notes & MCQs | SoLangu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Size | 31 MB | 102 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Muhammad Faizan Ali Khan](https://appshunter.io/developer/1734026777) | [Softaar App Studio](https://appshunter.io/developer/1895033955) |

## What reviewers say

### General Knowledge Notes & MCQs

[App page](https://appshunter.io/ios/app/general-knowledge-notes-and-mcqs/id6502728330)

**Features:** macOS Compatibility

**In-app purchases:** none


### SoLangu

[App page](https://appshunter.io/ios/app/solangu-ai-speaking-practice/id6762832986)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Monthly | $24.99 | per month |
| 3 Months | $59.99 | per 3 months |
| Yearly | $179.99 | per year |


## Frequently asked questions

### Is General Knowledge Notes & MCQs free?

General Knowledge Notes & MCQs is free to download, with no in-app purchases.

### Is SoLangu free?

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

### Do General Knowledge Notes & MCQs or SoLangu have ads?

Neither General Knowledge Notes & MCQs nor SoLangu shows ads.

### Which is updated more often, General Knowledge Notes & MCQs or SoLangu?

General Knowledge Notes & MCQs ships an update every 10 days, and SoLangu monthly. Most recently, General Knowledge Notes & MCQs was updated on September 8, 2026 and SoLangu on September 10, 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.*