Comparison

Peak vs CueRack

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

Head to head
About

Peak

Enhance your cognitive abilities with over 45 engaging games designed to improve memory, attention, problem-solving, and more. Track your progress with detailed insights and compete with friends. A free basic version is available, with an optional Pro upgrade for a full brain training experience.

Highlights
  • 45+ brain training games
  • Daily Workouts
  • Coffee Break mode
  • Performance insights and statistics
  • Advanced Training modules
  • Compete with friends
Features
Read full description

Maximize your full potential by challenging yourself with Peak, designed to help you expand your mental skills with 45+ fun and rewarding games. Peak has 45+ games covering six categories, carefully developed with you in mind. Choose from our catalog of games or challenge yourself with our versatile Daily Workouts. Short on time? Don’t worry, play Coffee Break, for when you need that extra pep in your step in under five minutes. We'll also show you insights about your performance to help you support your growth, development and provide you with data-orientated feedback. So what are you waiting for? Join millions of brain trainers worldwide and start challenging your brain today! Download and play our basic version for free or upgrade to Pro to unleash the full brain training experience. Workouts: - Daily brain workouts to sharpen your Memory, Attention, Problem-Solving, - Mental Agility, Language, Coordination and Emotion Control - Play skill based workouts such as Coffee Break, Weakest Link, Low Rank and The Total Workout - Access our Advanced Training modules, developed in collaboration with scientists and universities. Insights: - Compete with friends - Track your progress with in-depth insights and statistics - Compare your scores with others in your age range and profession PEAK PRO TERMS Payment will be charged to your iTunes account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Account will be charged for renewal within 24 hours of the end of the current period, and the cost of the renewal will be provided.
 Subscriptions may be managed by the user. Auto-renewal may be turned off by going to the user’s Account Settings after purchase. No cancellation of the current subscription is allowed during active subscription period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication. For more information: 
Terms of Use - https://www.synapticlabs.uk/termsofservice/ 
Privacy Policy - https://www.synapticlabs.uk/privacypolicy/

About

CueRack

Read full description

CueRack is a focused workspace for online learning and video practice. Import local videos or open video pages yourself on YouTube, YouTube Music, TED Talks, Vimeo, Bilibili, TikTok, and other supported services. CueRack does not provide or download third-party videos. While watching a lecture, tutorial, or talk, repeat key passages, add precise bookmarks, and keep notes and reference materials together. CueRack works on iPhone, iPad, and Mac, helping you continue your study across devices. STUDY AT YOUR OWN PACE - Set A-B loops to repeat a passage. - Adjust playback speed for close listening or review. - Change pitch independently of speed when practicing with an imported local video. - Add timestamped bookmarks, notes, and study marks to capture and revisit key moments. VIDEO, PDFS, AND HANDWRITTEN NOTES - Add PDF references such as sheet music, books, or online course materials to a video. - Manage multiple reference PDFs for each video and switch between them as you study. - Browse pages in single-page or continuous mode, with adjustable scaling and panel size. - Link bookmarks to video timestamps and PDF pages to return to the right lesson moment and its corresponding material. - Pro users can write notes by hand directly on PDFs, sheet music, and course handouts with Apple Pencil on iPad. - Place tappable timestamp stamps on PDFs to jump back to the linked video moment. - Create blank, ruled, or music staff PDF templates and export documents with annotations. - Share video bookmarks and their linked reference PDFs. - Basic supports viewing up to 3 uploaded reference PDFs across the Library. Pro unlocks PDF creation, Apple Pencil handwriting and annotations, timestamp stamps, annotated export, and CueRack Share. YOUR STUDY LIBRARY - Import local videos or open supported web video pages yourself. - Organize videos, bookmarks, and study progress, then sync your learning across devices. - PDF reference documents sync separately from study library data. CueRack is designed for language learning, online courses, music practice, tutorials, and any activity that benefits from repeating video, taking handwritten notes, and reviewing key moments. Online services remain subject to their own terms and availability. Privacy Policy: https://videostudyhub.vercel.app/privacy Terms of Use / EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Peak4 screens
CueRack4 screens

Verdict

The call

The clearest difference is price: Peak at Free against CueRack's $4.99. Peak also leads on iOS requirement (15.0 vs 18.6). CueRack's advantage is ads (none vs shown) and update cadence (weekly vs fortnightly). On in-app purchases 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

Peak is free to download; CueRack costs $4.99 up front. Peak sells 10 in-app purchases, starting at $2.99 per month and CueRack sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Peak ships an update fortnightly, CueRack weekly. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Peak versus CueRack: the parameters behind the verdict, then further details
ParameterPeakCueRack
PriceFree — better$4.99
Rating4.7 (146K ratings) — better—
Positive reviews63.7% of reviews—
Number of ratings146K — better—
Update frequencyFortnightlyWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, Mac
Requires iOS15.0 — better18.6
Further details — not scored
Size321 MB10 MB
Age rating4+4+
DeveloperSynaptic LabsWei Te Hsu

Bugs and requests

Peak

Reported bugs

4 issues
  • Freezing and crashing issues
  • Inconsistent game performance
  • Incorrect scoring and ranking
  • Syncing and login problems

Requested features

5 requests
  • More free games and content
  • Ability to replay games without ads
  • Improved game instructions and feedback
  • More coordination and emotion-based games
  • Customizable brain training experience

CueRack

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Peak

Subscriptions8
  • 40% Off Peak Pro Monthly$2.991 Month
  • Peak Pro$3.991 Month
  • Peak Pro Plan$3.991 Month
Show 5 more
  • Peak Pro Plan$4.991 Month
  • Peak Pro$11.991 Year
  • 40% Off Peak Pro Yearly$19.991 Year
  • Peak Pro Plan$34.991 Year
  • Peak pro7 Days trial$34.991 Year
One-time2
  • Advanced Training Peak & Brainways Working Memory Part 1Free
  • Advanced Training Peak & UCL Emotion ManagementFree
2 purchases

CueRack

Subscriptions1
  • Pro-Monthly$0.991 Month
One-time1
  • Basic One-Time Purchase$4.99

Questions

Is Peak free?
Peak is free to download, with in-app purchases available.
Is CueRack free?
CueRack costs $4.99, and also offers in-app purchases.
Do Peak or CueRack have ads?
Peak shows ads; CueRack does not.
Which is updated more often, Peak or CueRack?
Peak ships an update fortnightly, and CueRack weekly. Most recently, Peak was updated on November 11, 2026 and CueRack on October 31, 2026.

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