Comparison

Sci vs ice sudoku

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

Head to head
About

Sci

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一、Basic Description 1、This software is mainly used in the digital experiment of primary and middle schools, including physical, chemical and biological experiments. 2、To work properly, the software needs to be used with sensors and bluetooth transmitter modules (sensors are connected to bluetooth launch modules). The sensor data is sent to the receiving end of the iPad or iPhone via a connected bluetooth module. 3、The software operates on portable mobile devices such as iphone or ipad, which has bluetooth low power consumption of BLE 4.0. The software can actively detect and connect bluetooth devices, real-time data collection, analytical sensor data, digital、graphic display digital and graphic display, with functions such as plug and play, automatic recognition ( sensor ), parallel acquisition, combination drawing, free coordinate, line analysis ( fitting, integral, etc. ), table record, add variables, formula, table data drawing, etc. 4、The overall design of this software adopts the Qt5.12.0 technical framework and Objective-C mixing method. 二、Use Instructions 1、Access the Bluetooth transmitter module to the sensor , turn on the power on the Bluetooth transmitter module, and then the indicator light is on. 2、Start the software on the ipad or iphone. 3、The software initial startup interface is QR code scanning interface. The ID information of the device can be automatically scanned and displayed by a QR code that is pasted on the target bluetooth module in the various bluetooth devices that are enabled, which can support scanning of 4 bluetooth modules ( that is, up to 4 sensors at the same time ),after the scan is completed, click start experimental button start scanning, discovering, connecting bluetooth equipment, sensor data transmission, data display and analysis. For easy control, it is recommended that the software be installed on the device with a screen of 4.7 inches and above. Please ensure that the operating system version is iOS 11.0 or above.

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

Screenshots

Sci4 screens
ice sudoku4 screens

Verdict

The call

The clearest difference is price: Sci at Free against ice sudoku's $1.99. Sci also leads on iOS requirement (13.0 vs 18.0). ice sudoku's advantage is update cadence (fortnightly vs every 5 weeks). On 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

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

UpkeepUpdate frequency

Sci ships an update every 5 weeks, ice sudoku fortnightly. The most recent releases landed on September 13, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 7 level
Sci versus ice sudoku: the parameters behind the verdict, then further details
ParameterSciice sudoku
PriceFree — better$1.99
Rating—4.8 (15 ratings) — better
Positive reviews—88.9% of reviews
Number of ratings—15 — better
Update frequencyEvery 5 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.0
Further details — not scored
Size88 MB46 MB
Age rating4+4+
Developer山东远大朗威教育科技股份有限公司子诚 王

In-app purchases

None

Sci

No in-app purchases

None

ice sudoku

No in-app purchases

Questions

Is Sci free?
Sci is free to download, with no in-app purchases.
Is ice sudoku free?
ice sudoku costs $1.99, with no in-app purchases.
Do Sci or ice sudoku have ads?
Neither Sci nor ice sudoku shows ads.
Which is updated more often, Sci or ice sudoku?
Sci ships an update every 5 weeks, and ice sudoku fortnightly. Most recently, Sci was updated on September 13, 2026 and ice sudoku on September 22, 2026.

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