Comparison

PQ One 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

PQ One

Features
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With the PQ One App you can rate products offline, take photos, paint with your finger on the photos to describe exactly what you noticed, describe by voice or text input what you noticed, select additional categories to give your rating more value and precision. Synchronize your collected data easily and concisely with the PQ One web database. All collected data is stored here and can be compared and analyzed. A chart module as well as an analysis module and an Excel export function supports structured data collection for your car clinics, product evaluations or any other evaluation in the product development area.

About

Computer Science Calculations

Features
Read full description

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

PQ One4 screens
Computer Science Calculations4 screens

Verdict

The call

The clearest difference is in-app purchases: PQ One at none against Computer Science Calculations's 3. PQ One also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price, update cadence and device support 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

Both are free to download. Computer Science Calculations sells 3 in-app purchases, starting at $0.99 per 3 months. PQ One asks for nothing beyond the download.

UpkeepUpdate frequency

PQ One ships an update every 3 weeks, Computer Science Calculations monthly. The most recent releases landed on October 12, 2026 and October 20, 2026 respectively.

Scorecard3 real differences ยท 3 level
PQ One versus Computer Science Calculations: the parameters behind the verdict, then further details
ParameterPQ OneComputer Science Calculations
PriceFreeFree
Update frequencyEvery 3 weeks โ€” betterMonthly
AdsNo โ€” betterYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 โ€” better15.0
Further details โ€” not scored
Size13 MB26 MB
Age rating4+4+
DeveloperCalidat GmbHEgal Net di Ettore Gallina

In-app purchases

None

PQ One

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 PQ One free?
PQ One is free to download, with no in-app purchases.
Is Computer Science Calculations free?
Computer Science Calculations is free to download, with in-app purchases available.
Do PQ One or Computer Science Calculations have ads?
Computer Science Calculations shows ads; PQ One does not.
Which is updated more often, PQ One or Computer Science Calculations?
PQ One ships an update every 3 weeks, and Computer Science Calculations monthly. Most recently, PQ One was updated on October 12, 2026 and Computer Science Calculations on October 20, 2026.

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