Comparison

Cambridge First B2 Practice vs Murf Planet

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Cambridge First B2 Practice

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
Read full description

Cambridge B2 First Practice teaches the language skills tested in the four Use Of English questions on the revised Cambridge® First (Multiple Choice, Open Gap Fill, Word Formation and Keyword Transformation) as of 2020. These are: - building and using collocations, including idioms and phrasal verbs - using grammar words, such as linking words and (compound) prepositions and conjunctions - word formation, using prefixes and suffixes to build words - rewriting sentences using grammatical structures such as passives, result clauses and constructions with linking words. Each of the four sections of the app corresponds to one of the four tasks. Each section has eight units with notes, preview and practice activities. Sample exam questions are provided for each section. The app provides material for 30-50 hours of study and includes: - short (3 min) video presentations - tips about timing and marking as well as notes on language, meaning and usage - word building, editing and multiple choice activities - practice gap fill and rewriting exercises - sample exam questions Cambridge B2 First Practice is designed especially to help students preparing to sit the revised Cambridge® First but will be of value to any B2 level student. Cambridge® is a registered trademark of the University of Cambridge, which is not associated with this application in any way.

About

Murf Planet

Read full description

Welcome to Murf Planet – now with AI for curious kids! Murf Planet turns everyday family life into an adventure. Kids earn diamonds by helping out, learning, or being creative. They can exchange them for rewards that parents define in the app. New: smart AI features made for kids. They can ask questions, identify and learn about objects, create images and stories – all powered by Murf AI Credits. Murf encourages independence, makes learning fun, and offers a safe space to explore and participate. Term of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Cambridge First B2 Practice4 screens
Murf Planet4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 4 level
Cambridge First B2 Practice versus Murf Planet: the parameters behind the verdict, then further details
ParameterCambridge First B2 PracticeMurf Planet
Price$19.99Free — better
Positive reviews60.0% of reviews—
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size2 MB104 MB
Age rating12+4+
DeveloperAidan Michael CaseyAl now AG

In-app purchases

None

Cambridge First B2 Practice

No in-app purchases

10 purchases

Murf Planet

Subscriptions2
  • Basic$4.991 Month
  • Premium$9.991 Month
One-time8
  • 15 Diamonds$0.49
  • 50 Diamonds$0.99
  • 100 Diamonds$1.99
Show 5 more
  • 100 Credits$2.99
  • 200 Diamonds$3.99
  • 300 Diamonds$4.99
  • 250 Credits$5.99
  • 500 Credits$9.99

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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