Comparison

COLOP e vs Sudoku Logic Gym

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

Head to head
About

COLOP e

Design and print custom full-color imprints onto various materials using a mobile printer. Personalize items, enhance craft projects, streamline office tasks, and create unique event decorations with this app.

Highlights
  • Custom design creation
  • Smart functions (date, QR code)
  • Various printing modes
  • Template library
  • Seamless WiFi connectivity
  • Device monitoring
  • Offline imprint storage
Read full description

This app only works in combination with the COLOP e-mark or e-mark create. The COLOP e-mark and e-mark create are advanced mobile printers that allow you to effortlessly print your designs onto various objects and materials. Whether you are at the office or being creative at home, you can easily design your imprints in the e-mark app and print them in full-colour and by that explore a new world of mobile printing. Find out more on www.colop.com Why choose the COLOP e-mark or e-mark create? - Personalisation: Stand out with unique and personalised items or mark them as yours. - Creative expression: Bring your craft projects on a whole new level with your own designs. - Business efficiency: Streamline and organise your office tasks with the help of the little printer. - Educational benefit: Inspire and motivate students or children with colourful and individual feedback and praises. - Unmatched flexibility: Use it as a versatile marketing tool and benefit from its mobility and small size. - Event planning: Prepare for your next party or event with custom designs and decorations. App features: - Custom design: Create your own full-colour imprints using images, logos, texts, cliparts and own fonts. - Smart functions: Add automatic date, time, numbering, or the QR and barcode generator for easily managing daily office tasks. - Various printing modes: Special modes allow you to print continuously, select the starting position and much more – perfect for printing on labels, ribbons, cards or signs. - Wide range of templates: Use templates in the app for both business and creative uses or find even more free templates on our website to load them directly into the app. - Seamless connectivity: Connect your e-mark device to the app via WiFi for quick and easy printing your custom designs. - Device monitoring: Check your device’s connectivity, ink or battery level directly in the app. - Offline mode: Choose up to three imprints to be permanently stored on the device and available without connection to the app. - Multilingual support: Choose from various languages including English, German, Spanish, French, Italian, Polish and Arabic.

About

Sudoku Logic Gym

Engage in classic Sudoku puzzles with AI-enhanced challenges and performance tracking. Offers various difficulty levels, unique game modes, and eye-friendly themes to train your brain and improve focus. Track your progress and earn rewards for achievements.

Highlights
  • AI-enhanced Sudoku puzzles
  • Multiple difficulty levels
  • Offline play
  • Progress tracking and rewards
  • Eye-friendly themes
  • Mirror Mode
Read full description

Sudoku Master: Brain Training Logic Puzzle Solve puzzles, train your brain, and improve focus with classic Sudoku gameplay enhanced by AI and scientific performance tracking. Why Sudoku Master? Looking for a smart Sudoku game for adults? Whether you're solving your first 9x9 grid or aiming to become a master, Sudoku Master offers the perfect mix of challenge and learning: Classic number puzzle game with offline play Perfect for daily Sudoku challenge lovers Designed for mindfulness, brain training, and mental focus Ideal for those seeking a free logic game without ads (if applicable) Trusted by puzzle lovers who enjoy number games that improve memory Game Modes – From Beginner to Expert Easy Sudoku puzzles for beginners – 45+ prefilled numbers Advanced Sudoku mode – 20% key cells hidden Expert & Hard Sudoku – Adaptive AI algorithm, unique every time Try Mirror Mode for a fun twist on classic Sudoku logic Achievements & Rewards Track progress, level up, and celebrate your brainpower with: Speed Sudoku wins – beat puzzles in under 3 minutes Zero-error logic games – flawless wins Hidden Easter eggs like β€œSolve at Midnight” and more Unlock special badges with daily puzzle streaks and stats Eye-Friendly Themes Blue & white Sudoku grid for sharp visual clarity Dark Mode Sudoku for OLED screens Paper-style Sudoku theme to reduce fatigue during long sessions Skill Stats & Data Tracker Monitor solve time, accuracy, and error rate Discover your strengths in the Sudoku Skill Matrix Unlock new levels through the logic-based reward system Join thousands of puzzle fans who use Sudoku Master to stay sharp, improve logical thinking, and enjoy peaceful brain workouts daily. Download now to start your logic training journey with Sudoku Master! Privacy Policy: https://shudu-ed05a.web.app/privacy.html Support Email: 18066745561wang@gmail.com

Screenshots

COLOP e4 screens
Sudoku Logic Gym4 screens

Verdict

The call

The clearest difference is price: COLOP e at Free against Sudoku Logic Gym's $0.99. COLOP e also leads on ads (none vs shown) and review sentiment (25% vs 0%). Sudoku Logic Gym's advantage is update cadence (every 5 days vs every 6 weeks). On in-app purchases, device support and iOS requirement there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

COLOP e is free to download; Sudoku Logic Gym costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

COLOP e ships an update every 6 weeks, Sudoku Logic Gym every 5 days. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.

Scorecard5 real differences Β· 3 level
COLOP e versus Sudoku Logic Gym: the parameters behind the verdict, then further details
ParameterCOLOP eSudoku Logic Gym
PriceFree β€” better$0.99
Positive reviews25.0% of reviews β€” better0.0% of reviews
Update frequencyEvery 6 weeksEvery 5 days β€” better
AdsNo β€” betterYes
In-app purchasesNoNo
MonetizationFree β€” betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details β€” not scored
Size111 MB7 MB
Age rating4+4+
DeveloperCOLOP Stempelerzeugung Skopek GmbH & Co KG鹏 ηŽ‹

Customer experience

COLOP e

Written reviews4 reviews
Positive25.0%
Neutral50.0%
Negative25.0%

Sudoku Logic Gym

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

COLOP e

No in-app purchases

None

Sudoku Logic Gym

No in-app purchases

Questions

Is COLOP e free?
COLOP e is free to download, with no in-app purchases.
Is Sudoku Logic Gym free?
Sudoku Logic Gym costs $0.99, with no in-app purchases.
Do COLOP e or Sudoku Logic Gym have ads?
Sudoku Logic Gym shows ads; COLOP e does not.
Which is updated more often, COLOP e or Sudoku Logic Gym?
COLOP e ships an update every 6 weeks, and Sudoku Logic Gym every 5 days. Most recently, COLOP e was updated on June 1, 2026 and Sudoku Logic Gym on September 9, 2026.

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