# Cambridge First B2 Practice vs Murf Planet

The clearest difference is price: Murf Planet at Free against Cambridge First B2 Practice's $19.99. Murf Planet also leads on update cadence (every 2 weeks vs every 6 weeks). Cambridge First B2 Practice's advantage is in-app purchases (none vs 10) and iOS requirement (13.0 vs 15.1). On ads and device support there is nothing between them.

Murf Planet is free to download; Cambridge First B2 Practice costs $19.99 up front. Murf Planet sells 10 in-app purchases, starting at $4.99 per month. Cambridge First B2 Practice asks for nothing beyond the download.

Cambridge First B2 Practice ships an update every 6 weeks, Murf Planet every 2 weeks. The most recent releases landed on October 12, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Cambridge First B2 Practice | Murf Planet |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 2 MB | 104 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Aidan Michael Casey](https://appshunter.io/developer/916717333) | [Al now AG](https://appshunter.io/developer/1739159525) |

## What reviewers say

### Cambridge First B2 Practice

[App page](https://appshunter.io/ios/app/cambridge-first-b2-practice/id916717336)

Prepare for the Cambridge B2 First exam with targeted practice in grammar and vocabulary. Covers all four Use Of English sections with notes, activities, and sample questions. Offers 30-50 hours of study material, including video presentations and exam tips.

**Highlights:** Practice for B2 First Use Of English tasks, Covers collocations, idioms, phrasal verbs, Focuses on grammar words and word formation, Includes sentence rewriting exercises, 8 units per section with notes and activities, Sample exam questions, Short video presentations

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

**In-app purchases:** none


### Murf Planet

[App page](https://appshunter.io/ios/app/murf-planet/id6497792129)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $4.99 | per month |
| Premium | $9.99 | per month |
| 15 Diamonds | $0.49 | one-time |
| 50 Diamonds | $0.99 | one-time |
| 100 Diamonds | $1.99 | one-time |
| 100 Credits | $2.99 | one-time |
| 200 Diamonds | $3.99 | one-time |
| 300 Diamonds | $4.99 | one-time |
| 250 Credits | $5.99 | one-time |
| 500 Credits | $9.99 | one-time |


## Frequently asked questions

### Is Cambridge First B2 Practice free?

Cambridge First B2 Practice costs $19.99, with no in-app purchases.

### Is Murf Planet free?

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

### Do Cambridge First B2 Practice or Murf Planet have ads?

Neither Cambridge First B2 Practice nor Murf Planet shows ads.

### Which is updated more often, Cambridge First B2 Practice or Murf Planet?

Cambridge First B2 Practice ships an update every 6 weeks, and Murf Planet every 2 weeks. Most recently, Cambridge First B2 Practice was updated on October 12, 2026 and Murf Planet on October 17, 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.*