Comparison

Book Companion vs Memory Test

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

Head to head
About

Book Companion

Read full description

Book Companion helps you get the most from the books you're reading. Perfect for: * Remember meaningful quotes * Extract knowledge from non-fiction books * Collect places and information from guidebooks What you can do: * Capture pages instantly - Take a photo of any book page and get searchable text * Highlight what matters - Mark the passages that resonate with you * Build your collection - Add notes and tags to find any quote instantly * Share your discoveries - Export highlights as text or images * Add books easily - Quick ISBN recognition saves you time Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Memory Test

Features
Read full description

Get smarter while having fun. With "Memory Test - Brain training", you can learn in just 5 minutes a day. Surprise mini-lessons, quick quizzes that activate your memory, and rewards that make you want to come back tomorrow. What you can learn today: โ€ข Scientific curiosities that will leave you saying โ€œwowโ€ โ€ข History in bite-sized pieces you didn't know you needed โ€ข Healthy habits for a better life Here's how it works: Read today's lesson Take a short quiz Earn XP and keep your streak going! It motivates you, congratulates you, and challenges you to keep growing. What you'll get: โ€ข Useful knowledge for your daily life โ€ข More memory and mental agility โ€ข A habit that truly makes you feel good Optional Premium: โ€ข Full access to the catalog โ€ข New courses every month โ€ข XP boosts and rewards You only need 5 minutes. But it adds up to so much. Start your smart habit today.

Screenshots

Book Companion4 screens
Memory Test4 screens

Verdict

The call

The clearest difference is update cadence: Book Companion at every 2 weeks against Memory Test's every 4 months. Memory Test's advantage is iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Book Companion sells 3 in-app purchases, starting at $3.99 per month and Memory Test sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Book Companion ships an update every 2 weeks, Memory Test every 4 months. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

Scorecard2 real differences ยท 4 level
Book Companion versus Memory Test: the parameters behind the verdict, then further details
ParameterBook CompanionMemory Test
PriceFreeFree
Update frequencyEvery 2 weeks โ€” betterEvery 4 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS26.017.0 โ€” better
Further details โ€” not scored
Size52 MB12 MB
Age rating4+12+
DeveloperRobert PalmerAnton Zuev

In-app purchases

3 purchases

Book Companion

Subscriptions2
  • One Month$3.991 Month
  • One Year7 Days trial$24.991 Year
One-time1
  • Lifetime Pro$79.99
2 purchases

Memory Test

Subscriptions2
  • Premium Weekly3 Days trial$2.997 Days
  • Premium for 1 year$24.991 Year

Questions

Is Book Companion free?
Book Companion is free to download, with in-app purchases available.
Is Memory Test free?
Memory Test is free to download, with in-app purchases available.
Do Book Companion or Memory Test have ads?
Neither Book Companion nor Memory Test shows ads.
Which is updated more often, Book Companion or Memory Test?
Book Companion ships an update every 2 weeks, and Memory Test every 4 months. Most recently, Book Companion was updated on October 28, 2026 and Memory Test on October 31, 2026.

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