# Topics vs bTrader

The clearest difference is in-app purchases: bTrader at none against Topics's 3. bTrader also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Topics sells 3 in-app purchases, starting at $14.99 per month. bTrader asks for nothing beyond the download.

Topics ships an update every 5 days, bTrader every 9 days. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Topics | bTrader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (5 ratings)](https://appshunter.io/ios/app/topics-learn-a-language/id6479612893/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | Freemium | — |
| Size | 45 MB | 112 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Topics, Inc](https://appshunter.io/developer/1736549571) | [Tradesocio PTE LTD](https://appshunter.io/developer/1460646176) |

## What reviewers say

### Topics

[App page](https://appshunter.io/ios/app/topics-learn-a-language/id6479612893)

This app helps intermediate language learners practice with real-world content. It uses AI to adapt stories and news to your level, making authentic material understandable and enjoyable. Focus on specific language skills through engaging topics without the frustration of complex texts.

**Highlights:** Adapted stories and news, AI content rewriting, Smart word review, Focused skill improvement, Multiple languages supported

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| YouPlus Monthly Subscription | $14.99 | per month |
| Monthly Unlimited Subscription | $17.99 | per month |
| Yearly Unlimited Subscription | $119.99 | per year |


### bTrader

[App page](https://appshunter.io/ios/app/btrader-cfd-trading-simulator/id6752554325)

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

**In-app purchases:** none


## Frequently asked questions

### Is Topics free?

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

### Is bTrader free?

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

### Do Topics or bTrader have ads?

Neither Topics nor bTrader shows ads.

### Which is updated more often, Topics or bTrader?

Topics ships an update every 5 days, and bTrader every 9 days. Most recently, Topics was updated on October 2, 2026 and bTrader on October 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.*