Comparison

BasicATTCalc vs Computer Science Calculations

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

Head to head
About

BasicATTCalc

Features
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Basic Attenuator Calculator (BasicATTCalc) helps you calculate various resistive attenuators which are used in many audio, video and RF circuit design applications. The standard resistance values based on E-series numbers are outputted in inputting necessary conditions such as source impedance, load impedance and attenuation. Features The calculable attenuators and impedance converters are as follows: - Type T - Type Pi (ฯ€) - Type H - Type O - Type Bridged T - Type Bridged H - Type L (Impedance converter) - Type U (Impedance converter) Calculated resistance values are displayed with ideal values or the following E-series number specified either. E12, E24, E48, E96, E192 The most suitable values are calculated in selecting priority calculation whether Simple or Precision. - Simple: Perform calculations that the nearest values are derived to desired impedances and attenuation by the simple structure - Precision: Perform calculations that the nearest values are derived to desired impedances and attenuation by consisting of up to 4 resistors per an element In addition to resistance values, this application provides you with input impedance, output impedance and calculated attenuation with mismatch loss. If necessary, it is able to calculate power dissipated by each resistor and parameters such as reflection coefficient, VSWR, return loss and mismatch loss. Attention Because the standard resistors are used, the following restriction is set up. - Range of resistance value: 1ฮฉ ~ 10Mฮฉ (except ideal values)

About

Computer Science Calculations

Features
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Computer Science Calculations is the ultimate application developed for every IT professional, network technician, programmer, or computer science enthusiast. If you spend a lot of time in front of your computer for study or work, this app represents the ideal support to speed up daily technical operations and improve overall efficiency, optimizing your workflow and increasing your productivity. You will find a complete suite of tools divided into thematic areas, designed to eliminate the need to consult external tables or complex websites. ALL THE FEATURES AT YOUR DISPOSAL: NUMBER SYSTEMS AND LOGIC: Perform byte conversions and manage number bases such as decimal, binary, octal, and hexadecimal. The app supports the representation of negative numbers (sign and magnitude, one's complement, two's complement), bitwise operations, bit shift, and bit rotation. NETWORKS AND INFRASTRUCTURE: Advanced tools for network management such as IPv4 Subnet calculator, PoE calculator, server RAID configuration, data transfer time estimation, and Wake On Lan (WOL) function for remote device startup. SECURITY AND DATA: Protect your systems with secure password generation and strength verification. Manage Base64 and URL encoding and decoding, generate random numbers, and create security hashes using MD5, SHA, and CRC-32 algorithms. RESOURCES AND STANDARDS: Quickly access ASCII tables and character encodings, HTML entities, Material Design colors, and Unix Timestamp conversions. It also includes cheat sheets for Unix commands, ISO 639-1 language codes, and ISO 3166-1 country codes, as well as RGB, HEX, and CMYK color converters. TEXT MANIPULATION: Quick tools for counting characters, words, and lines, reverse text, uppercase/lowercase conversion, whitespace removal, remove accents, and string replacement. It also supports string to binary, ASCII, and hexadecimal conversion. Simplify your daily technological challenges. Download Computer Science Calculations now and transform the way you work.

Screenshots

BasicATTCalc4 screens
Computer Science Calculations4 screens

Verdict

The call

The clearest difference is price: Computer Science Calculations at Free against BasicATTCalc's $1.99. Computer Science Calculations also leads on update cadence (monthly vs every 29 months). BasicATTCalc's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Computer Science Calculations is free to download; BasicATTCalc costs $1.99 up front. Computer Science Calculations sells 3 in-app purchases, starting at $0.99 per 3 months. BasicATTCalc asks for nothing beyond the download.

UpkeepUpdate frequency

BasicATTCalc ships an update every 29 months, Computer Science Calculations monthly. The most recent releases landed on September 20, 2026 and September 25, 2026 respectively.

Scorecard4 real differences ยท 2 level
BasicATTCalc versus Computer Science Calculations: the parameters behind the verdict, then further details
ParameterBasicATTCalcComputer Science Calculations
Price$1.99Free โ€” better
Update frequencyEvery 29 monthsMonthly โ€” better
AdsNo โ€” betterYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.5 โ€” better15.0
Further details โ€” not scored
Size7 MB26 MB
Age rating4+4+
DeveloperTAKAHIKO FUKUYAMAEgal Net di Ettore Gallina

In-app purchases

None

BasicATTCalc

No in-app purchases

3 purchases

Computer Science Calculations

Subscriptions2
  • PRO Version (3 months)$0.993 Months
  • PRO Version (1 year)7 Days trial$2.491 Year
One-time1
  • PRO Version (Lifetime)$89.99

Questions

Is BasicATTCalc free?
BasicATTCalc costs $1.99, with no in-app purchases.
Is Computer Science Calculations free?
Computer Science Calculations is free to download, with in-app purchases available.
Do BasicATTCalc or Computer Science Calculations have ads?
Computer Science Calculations shows ads; BasicATTCalc does not.
Which is updated more often, BasicATTCalc or Computer Science Calculations?
BasicATTCalc ships an update every 29 months, and Computer Science Calculations monthly. Most recently, BasicATTCalc was updated on September 20, 2026 and Computer Science Calculations on September 25, 2026.

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