Comparison

Summer Time vs Samurai’s Dozen

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

Head to head
About

Summer Time

This game tests and trains your memory with colorful summer icons and musical tones. Its adaptive AI creates unique challenges as you progress, aiming to improve your recall abilities and mental performance.

Highlights
  • Memory testing and training
  • Adaptive AI engine
  • Increasingly difficult levels
  • Unique game variations
  • Performance tracking index
  • Summer-themed icons
Features
Read full description

To celebrate summer we designed an exclusive version of PriMemory™ for you to enjoy all summer long and have a pleasant Memory challenge in your Summer Time. We have the power to dramatically improve the functioning of our minds. PriMemory tests and trains your memory through a series of increasingly difficult sequences of colorful summer icons and musical tones. Practice of skills like memory improvement can have dramatic benefits in both everyday life and can improve your play in the other games you love, whether you're playing an strategy game or any other mind required skill game. Regular use of brain-building exercises can improve your performance and your enjoyment of the game. Make your fun time more productive with a game that challenges your mental abilities and helps improve your memory every time you play. The game's artificial intelligence learns the way you play to build more complex and challenging games as you move through levels. Repetition builds memory. Every trip through the game helps you exercise your mental recall abilities. The more you play, the more you will remember. There's challenge available at every level. Eighty-two percent of humans can't finish the game. Will you be part of the 18% who can? Top Features: PriMemory™ demands more of you every time you play. Each time you play, you get the chance to go back to previous completed levels and challenge yourself all over again. You will never get the same game twice; because of the AI engine, each level adapts and changes each time you play. Relive the excitement by engaging with new variations every time. Can you remember the right moves and advance toward the final levels? Download and play to challenge yourself with: A proprietary artificial intelligence engine that adapts to your playing style. Original Canadian motive PriMemory index that indicates your retention level, performance and improvement on every game played.

About

Samurai’s Dozen

A memory card game where you compete against your iPhone to test your memorization skills. Flip cards, match pairs, and score points before your device outdoes you. It's an engaging way to challenge your mind and sharpen your memory on the go.

Highlights
  • Memory card gameplay
  • Compete against iPhone
  • Sharpen memory skills
  • Fast-paced challenges
  • Pocket-sized entertainment
Features
Read full description

Dozen is a new kind of memory card game, one in which you play against the iPhone© to prove your memorizing abilities. Flip cards, memorize their locations, and score pairing points before the iPhone© beats you to it. Challenge your mind, sharpen your memory, and engage in fast-paced gameplay that is addictive, right from your pocket. Take Dozen with you wherever you go, pairing off cards as you race against your iPhone©. It’s a great way to travel, unwind after a long day, or simply take a break from the work or studying at hand.

Screenshots

Summer Time4 screens
Samurai’s Dozen3 screens

Verdict

The call

The clearest difference is price: Samurai’s Dozen at Free against Summer Time's $0.99. Samurai’s Dozen also leads on in-app purchases (none vs 3) and iOS requirement (15.0 vs 18.0). On update cadence, 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

Samurai’s Dozen is free to download; Summer Time costs $0.99 up front. Summer Time sells 3 one-off in-app purchases. Samurai’s Dozen asks for nothing beyond the download.

UpkeepUpdate frequency

Summer Time ships an update every 7 months, Samurai’s Dozen every 5 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Summer Time versus Samurai’s Dozen: the parameters behind the verdict, then further details
ParameterSummer TimeSamurai’s Dozen
Price$0.99Free — better
Rating—5.0 (2 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings—2 — better
Update frequencyEvery 7 monthsEvery 5 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.015.0 — better
Further details — not scored
Size105 MB12 MB
Age rating4+17+
DeveloperTAPQUAD, INCIgor Fedorov

Customer experience

Summer Time

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Samurai’s Dozen

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Summer Time

One-time3
  • (3) Replays$0.99
  • (5) Replays$1.99
  • (8) Replays$2.99
None

Samurai’s Dozen

No in-app purchases

Questions

Is Summer Time free?
Summer Time costs $0.99, and also offers in-app purchases.
Is Samurai’s Dozen free?
Samurai’s Dozen is free to download, with no in-app purchases.
Do Summer Time or Samurai’s Dozen have ads?
Neither Summer Time nor Samurai’s Dozen shows ads.
Which is updated more often, Summer Time or Samurai’s Dozen?
Summer Time ships an update every 7 months, and Samurai’s Dozen every 5 months. Most recently, Summer Time was updated on November 6, 2026 and Samurai’s Dozen on November 3, 2026.

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