Comparison

ice sudoku vs WaterLink

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

Head to head
About

ice sudoku

This app offers a vast collection of Sudoku puzzles across various difficulty levels, featuring a logic analysis system and customizable gameplay. Enjoy offline play with a focus on privacy and continuous updates.

Highlights
  • Extensive Sudoku question bank
  • Multiple difficulty levels
  • Step-by-step logic analysis
  • Offline play
  • Customizable gameplay
  • Sudoku scanning recognition
Features
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【High performance, rich sudoku bank】 ice sudoku uses an efficient random number algorithm and uses multi-threaded concurrent technology to efficiently utilize Apple A series processors. It can quickly generate 5 types of Sudoku of different difficulty levels (beginner, easy, medium, difficult, and top). It provides a comprehensive question bank covering SE 1.2~11.9 and supports search and random retrieval. (1) Beginner, easy, medium, difficult, and top Sudoku special skill questions: 999 questions each (2) Higher algorithm level Ice Sudoku Sudoku (SE 8.3-SE 9.2): 999 questions (3) Peak algorithm level Icey Comet Sudoku (SE 8.8-SE 10.5): 999 questions (4) Super first-class difficulty Sudoku (SE 10.5+): more than 100 questions 【Extreme logic, advanced challenge】 It has a complete logic analysis system that supports step-by-step solutions for any Sudoku, helping you sort out the logical reasoning of each step. It has a rich library of targeted Sudoku training to help you become a Sudoku master. Exclusive challenge mode, test level, speed challenge, unlock exclusive icons, so that Sudoku is no longer boring. [Privacy protection, offline play] The developer promises not to collect any data from ice sudoku, and you can enjoy all functions without network connection, no ads, no in-app purchases, and fully protect your privacy and security. [High freedom, customizable] Supports free circle change to painting, especially suitable for iPad with Pencil. Supports Sudoku customization, where the numbers are determined by you, and there are templates to generate axial symmetric Sudoku. The archive system is complete, and you can export 81 Sudoku strings to facilitate the management of your Sudoku library and free sharing. [Rich functions, simple and intuitive] The interface design is simple and clear, and continues to improve. iOS 13 and above devices support Sudoku scanning recognition. Automatically fill in candidate numbers, error protection, highlight candidate numbers, candidate number background color adjustment, quick fill, and more convenient functions are waiting for you to explore. [Continuous updates, support feedback] Whether you are a master who can solve all kinds of Sudoku easily, or a Sudoku beginner, you can find the right questions for you here. If you have better suggestions, please contact us so that we can hear your voice! Official website of ice sudoku: https://github.com/tropicalwzc/ice_sudoku.github.io

About

WaterLink

This app transforms traditional water pumps into smart, connected devices. It allows for remote operation, automated scheduling, and real-time monitoring of critical performance metrics. Gain insights into energy consumption and optimize operational costs with detailed data analytics.

Highlights
  • Remote pump operation
  • Automated scheduling
  • Real-time performance monitoring
  • Data analytics and reporting
  • Multi-language support
  • Light and Dark modes
Features
Read full description

Smart Pump IoT - Advanced Remote Management System Transform your traditional water pumps into intelligent, connected devices. Our app provides a comprehensive IoT platform designed to streamline the operation, monitoring, and maintenance of pumping systems across industrial, agricultural, and residential sectors. Core Features: Remote Operations: Start or stop your pumps instantly from your mobile device, eliminating the need for manual on-site intervention. Automated Scheduling: Set precise timers for daily, one-time, or recurring tasks (weekdays or weekends). Automate your irrigation or drainage cycles with high accuracy. Real-time Monitoring: Track critical performance metrics including voltage, current, power consumption, and flow rate in real-time. Data Analytics and Reporting: Access detailed historical reports by day, month, or year. Visualize energy consumption trends to optimize operational costs. Multi-language Support: Fully localized in English, Chinese, Spanish, Portuguese, French, and Thai for global accessibility. Adaptive User Interface: Features both Light and Dark modes for comfortable use in any lighting environment. Why Choose This Platform? Operational Efficiency: Reduce labor costs and travel time through remote management. Energy Savings: Precise scheduling and data analysis prevent equipment idling and wasted electricity. Wide Compatibility: Designed to adapt to various pump models and hardware configurations with a simple registration process. Connect every pump to the cloud and maximize the value of every drop of water.

Screenshots

ice sudoku4 screens
WaterLink3 screens

Verdict

The call

The clearest difference is price: WaterLink at Free against ice sudoku's $1.99. WaterLink also leads on rating (5.0 vs 4.8) and iOS requirement (13.0 vs 18.0). ice sudoku's advantage is ratings volume (15 vs 1). On update cadence, ads, 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

WaterLink is free to download; ice sudoku costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

WaterLink holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: ice sudoku has 15 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

ice sudoku ships an update fortnightly, WaterLink every 2 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard5 real differences · 5 level
ice sudoku versus WaterLink: the parameters behind the verdict, then further details
Parameterice sudokuWaterLink
Price$1.99Free — better
Rating4.8 (15 ratings)5.0 (1 ratings) — better
Positive reviews88.9% of reviews—
Number of ratings15 — better1
Update frequencyFortnightlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.013.0 — better
Further details — not scored
Size46 MB29 MB
Age rating4+4+
Developer子诚 王雷 刘

Customer experience

ice sudoku

All ratings15 ratings
Positive93.3%
Neutral6.7%
Negative0.0%
Written reviews36 reviews
Positive88.9%
Neutral5.6%
Negative5.6%

WaterLink

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ice sudoku

No in-app purchases

None

WaterLink

No in-app purchases

Questions

Is ice sudoku free?
ice sudoku costs $1.99, with no in-app purchases.
Is WaterLink free?
WaterLink is free to download, with no in-app purchases.
Which has better reviews, ice sudoku or WaterLink?
WaterLink is rated higher. ice sudoku averages 4.8 out of 5 from 15 ratings, while WaterLink averages 5.0 from 1 ratings.
Do ice sudoku or WaterLink have ads?
Neither ice sudoku nor WaterLink shows ads.
Which is updated more often, ice sudoku or WaterLink?
ice sudoku ships an update fortnightly, and WaterLink every 2 weeks. Most recently, ice sudoku was updated on November 3, 2026 and WaterLink on November 5, 2026.

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