Comparison

Peak vs Internalize

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

Internalize

Features
Read full description

Internalize turns dense papers into immersive, narrated explainers. Pick a paper and watch it come alive: a particle renderer highlights exactly what is being discussed while a clear voice walks you through the ideas, at the depth you choose. THREE DEPTHS - EXPERT: full technical detail - COLLEGE: clear, with everyday analogies - ELI5: explain it like you're five YOUR OWN PAPERS Sign in with Apple and import any PDF up to 60 MB. Internalize builds your explainer automatically (narration, highlights, diagrams), shows live progress while it works, and notifies you the moment it is ready. Your imports are private to your account, and you can delete your account and all data at any time, right in the app. MADE FOR FOCUS - Word-by-word text that follows the narration - Readout speed control, 0.8x to 1.5x - Jump to any page, figure, or equation - Diagram mode, dark mode, zoom-follow mode - Works on iPhone, iPad, and Mac

Screenshots

Peak4 screens
Internalize4 screens

Verdict

The call

The clearest difference is ads: Internalize at none against Peak's shown. Internalize also leads on update cadence (every 4 days vs fortnightly). Peak's advantage is iOS requirement (15.0 vs 17.0). On price, 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

Both are free to download. Peak sells 10 in-app purchases, starting at $2.99 per month and Internalize sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Peak ships an update fortnightly, Internalize every 4 days. The most recent releases landed on October 17, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 7 level
Peak versus Internalize: the parameters behind the verdict, then further details
ParameterPeakInternalize
PriceFreeFree
Rating4.7 (146K ratings) — better—
Positive reviews63.2% of reviews—
Number of ratings146K — better—
Update frequencyFortnightlyEvery 4 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, Mac
Requires iOS15.0 — better17.0
Further details — not scored
Size311 MB10 MB
Age rating4+4+
DeveloperSynaptic LabsTrilon Apps

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

Internalize

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
3 purchases

Internalize

One-time3
  • 1 Import Credit$4.99
  • 5 Import Credits$17.99
  • 10 Import Credits$29.99

Questions

Is Peak free?
Peak is free to download, with in-app purchases available.
Is Internalize free?
Internalize is free to download, with in-app purchases available.
Do Peak or Internalize have ads?
Peak shows ads; Internalize does not.
Which is updated more often, Peak or Internalize?
Peak ships an update fortnightly, and Internalize every 4 days. Most recently, Peak was updated on October 17, 2026 and Internalize on October 1, 2026.

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