Comparison

Puzzle IO vs MAX Geheugentrainer

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

Head to head
About

Puzzle IO

Experience a modern, fast-paced logic puzzle game based on binary Sudoku. Fill grids with 0s and 1s following specific rules, earn bonuses with a smart point system, and compete globally. Offers endless challenges across six difficulty levels.

Highlights
  • Fill 10x10 grids with 0s and 1s
  • Equal 0s and 1s per row/column
  • No three identical numbers in a row
  • Smart point system with bonuses
  • Time-based multipliers for higher scores
  • Game Center support and global leaderboards
  • Six difficulty levels
  • Unlimited unique puzzles
Features
Read full description

Addictive Logic Fun! Looking for a fresh take on Sudoku? Puzzle IO brings you a modern, fast-paced, and highly addictive logic puzzle experience! Easy to learn, hard to master! * Fill each 10x10 grid with 0s and 1s * Each row and column must have an equal number of 0s and 1s * No three identical numbers in a row! Think fast, score big! * Smart point system: Earn bonuses by solving grids efficiently! * Time-based multipliers: Solve puzzles quickly for higher scores! * Game Center support: Compete with friends and climb the global leaderboards! Endless Challenges! * Six difficulty levels: Unlock harder modes as you improve! * Unlimited unique puzzles: No two grids are the same! * Clean, modern design: Smooth animations & intuitive controls! Ready to train your brain? Download Puzzle IO - Binary Sudoku now and start playing!

About

MAX Geheugentrainer

Train your brain with a variety of fun and challenging memory games. Improve concentration and track your progress with daily tests. Play anytime, even offline.

Highlights
  • 14 mini-games
  • Memory, Math, Concentration, Language categories
  • Daily 10-minute tests
  • Progress tracking
  • Offline play
  • Multiple difficulty levels
Features
Read full description

MAX GEHEUGENTRAINER APP – ELKE DAG EEN FIT GEHEUGEN Train je brein op een laagdrempelige manier met de gratis MAX Geheugentrainer app. Deze leuke én uitdagende app is gebaseerd op het populaire televisieprogramma van Omroep MAX en bevat o.a. het Boodschappenspel, Zoekplaatje en Letterregen. De MAX Geheugentrainer app is de officiële applicatie voor tablet en smartphone bij het gelijknamige televisieprogramma van MAX. SPEEL DE LEUKSTE GEHEUGENSPELLEN De app beschikt over 14 minispellen, verdeeld over de categorieën Geheugen, Rekenen, Concentratie en Taal. Elk spel is voor iedereen makkelijk te leren en in drie verschillende niveaus te spelen. Natuurlijk bevat de app het befaamde Boodschappenspel. Maar ook met andere populaire spellen uit het televisieprogramma kunt je aan de slag: het Zoekplaatje, het Correctiespel en Letterregen. En speciaal voor De MAX Geheugentrainer app is er nog een tiental extra hersenkrakers ontwikkeld: de Boodschappenteller, Wegwijs, het Sorteerspel de Woordzoeker, het Tegelspel, de Rekentegels, het Optelspel, Samenvoegen, Laag naar Hoog en het Anagrammenspel. VERBETER JE CONCENTRATIE IN SLECHTS 10 MINUTEN PER DAG De app bevat een dagelijkse test die spelers motiveert om op een leuke manier aan de conditie van het geheugen te werken. De veelzijdige test, bestaande uit 5 stappen, is speciaal op het spelersniveau afgestemd. Door deze tienminutentest dagelijks te spelen kun je je concentratievermogen verbeteren. Kortom: het ideale geheugensteuntje om de mentale fitheid in topconditie te krijgen én houden. MEET EN VERGELIJK JE VOORTGANG Spelers kunnen hun voortgang bijhouden of hun score per spel vergelijken met vrienden of leeftijdsgenoten. Ook zonder internetverbinding is de app te spelen, daardoor kan er altijd getraind worden. HOUD DE APP IN DE GATEN De MAX Geheugentrainer app wordt regelmatig geüpdatet met nieuwe spellen. Zo wordt het trainen van het geheugen nooit saai! MEER WETEN? Heb je een vraag of opmerking over de app? Ga dan naar de website van MAX Geheugen-trainer. Hier kun je ook een vraag stellen of kijken of je vraag al is beantwoord bij de Veel gestelde vragen.

Screenshots

Puzzle IO4 screens
MAX Geheugentrainer4 screens

Verdict

The call

The clearest difference is in-app purchases: MAX Geheugentrainer at none against Puzzle IO's 1. MAX Geheugentrainer also leads on ads (none vs shown) and review sentiment (88% vs 74%). Puzzle IO's advantage is update cadence (every 3 weeks vs every 9 months) and ratings volume (362 vs 7). On price, rating, device support and iOS requirement 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. Puzzle IO sells 1 one-off in-app purchase. MAX Geheugentrainer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Puzzle IO against 4.7 for MAX Geheugentrainer. That said, the two scores are not equally well evidenced: Puzzle IO has 362 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 74% of Puzzle IO's written reviews are positive against 88% of MAX Geheugentrainer's.

UpkeepUpdate frequency

Puzzle IO ships an update every 3 weeks, MAX Geheugentrainer every 9 months. The most recent releases landed on November 11, 2026 and November 2, 2026 respectively.

Scorecard6 real differences · 4 level
Puzzle IO versus MAX Geheugentrainer: the parameters behind the verdict, then further details
ParameterPuzzle IOMAX Geheugentrainer
PriceFreeFree
Rating4.6 (362 ratings)4.7 (7 ratings) — better
Positive reviews74.3% of reviews87.5% of reviews — better
Number of ratings362 — better7
Update frequencyEvery 3 weeks — betterEvery 9 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size107 MB128 MB
Age rating4+4+
Developer99 Up GamesOmroepvereniging MAX

Customer experience

Puzzle IO

All ratings348 ratings
Positive92.2%
Neutral3.7%
Negative4.0%
Written reviews214 reviews
Positive74.3%
Neutral7.9%
Negative17.8%

MAX Geheugentrainer

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive87.5%
Neutral0.0%
Negative12.5%

Bugs and requests

Puzzle IO

Reported bugs

4 issues
  • Incorrect error detection on completed rows/columns
  • Frequent crashes and bugs
  • Game sometimes freezes or becomes unresponsive
  • Ads not loading properly, preventing gameplay

Requested features

5 requests
  • Dark mode option
  • Better hint system that explains the logic
  • Option to turn off row/column completion notifications
  • More challenging puzzle levels
  • Ability to create and save custom puzzles

MAX Geheugentrainer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Puzzle IO

One-time1
  • Remove Ads$2.99
None

MAX Geheugentrainer

No in-app purchases

Questions

Is Puzzle IO free?
Puzzle IO is free to download, with in-app purchases available.
Is MAX Geheugentrainer free?
MAX Geheugentrainer is free to download, with no in-app purchases.
Which has better reviews, Puzzle IO or MAX Geheugentrainer?
MAX Geheugentrainer is rated higher. Puzzle IO averages 4.6 out of 5 from 362 ratings, while MAX Geheugentrainer averages 4.7 from 7 ratings.
Do Puzzle IO or MAX Geheugentrainer have ads?
Puzzle IO shows ads; MAX Geheugentrainer does not.
Which is updated more often, Puzzle IO or MAX Geheugentrainer?
Puzzle IO ships an update every 3 weeks, and MAX Geheugentrainer every 9 months. Most recently, Puzzle IO was updated on November 11, 2026 and MAX Geheugentrainer on November 2, 2026.

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