TechniCalc Calculator vs Keka
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TechniCalc Calculator
This app offers a modern, intuitive interface for complex calculations, supporting scientific, engineering, and advanced mathematical functions. It allows natural equation entry, provides a formula book, and includes unit and currency converters. Available across Apple devices, it caters to students and professionals needing a powerful calculation tool.
- Natural equation entry
- Advanced math engine
- Formula book and equations
- Unit and currency converter
- Statistics mode
- Equation solvers
- Supports multiple Apple devices
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TechniCalc is every bit functional as it is beautiful. The modern interface that makes a clean break from traditional pocket calculators. Equations are entered in a natural way, adhering to every detail of hand-written maths. The advanced maths engine also makes this the only calculator you'll ever need. ◉ FEATURES ▸ Runs on iPhone, iPad, and macOS - with an Apple Watch companion ▸ Dark mode ▸ Supports split screen and wireless keyboards ▸ Shows the full equation as you type ▸ Basic calculations (+, -, ×, ÷, %) ▸ Brackets ▸ Square and cubic roots ▸ Exponents and logarithms ▸ Trigonometry (sin, cos, tan) ▸ Degrees, radians, and gradians ▸ Constants (pi, e, and over 100 other physical constants) ▸ Formula book and equations ▸ Calculation history ▸ Unit converter ▸ Currency converter ▸ Statistics mode ◉ ADVANCED MATHS ▸ Almost unlimited number sizes - over 1,000,000 factorial ▸ Square roots and logarithms with any base ▸ Factorial, nPr, nCr, and gamma ▸ Hyperbolic trigonometry (sinh, cosh, tanh) ▸ Vectors and matrices ▸ Imaginary and complex numbers ▸ Series sums and products ▸ Numerical integration and differentiation ▸ Binary, octal, and hexadecimal ▸ Programmer mode ◉ EQUATION SOLVERS ▸ Quadratic ▸ Cubic ▸ Systems of 2 and 3 linear equations ▸ Root finder
Keka
This app allows you to compress and encrypt files for secure storage and sharing. It also supports browsing and extracting a wide variety of compressed file formats, including encrypted and encoded archives.
- Compress files in multiple formats
- Encrypt files for secure sharing
- Extract various archive formats
- Support for 7Z, ZIP, RAR, TAR, and more
- Handle encrypted and encoded archives
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Keka is a full featured file archiver, as easy as it can be. With Keka you can compress as many files as you want in a bunch of formats. You can also encrypt them to store and share securely and with privacy. Keka can also browse and extract lots of compressed files, from ZIP and 7Z to RAR archives. Whether they are encrypted or encoded in with old charsets this is not a problem for Keka. Compression formats supported: 7Z, ZIP, TAR, ZSTD, GZIP, BZIP2 and AppleArchive (AAR) Extraction formats supported: 7Z, ZIP, RAR, TAR, GZIP, BZIP2, AAR, XZ, ZSTD, ISO, LZMA, EXE, CAB, MSI, PAX, JAR, APK, APPX, XPI, IPA, CPGZ, CPIO, XIP, CPT and many more Terms of Use: https://www.keka.io/termsofuse
Screenshots
Verdict
The clearest difference is in-app purchases: Keka at none against TechniCalc Calculator's 4. Keka also leads on price ($3.99 vs $7.99) and chart position (#33 vs unranked). On rating, review sentiment, ratings volume and update cadence 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
TechniCalc Calculator costs $7.99 and Keka $3.99 up front. TechniCalc Calculator sells 4 one-off in-app purchases. Keka asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.7 for TechniCalc Calculator against 4.8 for Keka. Both are backed by a comparable volume of ratings — 81 and 153 respectively. Written reviews are what separate them: 84% of TechniCalc Calculator's written reviews are positive against 82% of Keka's.
TechniCalc Calculator ships an update monthly, Keka every 6 weeks. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.
| Parameter | TechniCalc Calculator | Keka |
|---|---|---|
| Price | $7.99 | $3.99 — better |
| Rating | 4.7 (81 ratings) | 4.8 (153 ratings) — better |
| Positive reviews | 84.2% of reviews — better | 82.1% of reviews |
| Number of ratings | 81 | 153 — better |
| Update frequency | Monthly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | — | #33 — better |
| Devices | iPhone, iPad, Mac, Apple Watch | iPhone, iPad, iPod, Vision Pro |
| Requires iOS | 17.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 31 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Jacob Parker | Jorge Garcia Armero |
Customer experience
TechniCalc Calculator
Keka
Bugs and requests
TechniCalc Calculator
Not enough reviews yet to summarise bugs or requests.
Keka
Reported bugs
13 issues- Occasional decryption failures
- Compression fails when using the share button
- Background tasks fail when resuming
- Permission to access files reappears after being revoked
- Cannot decompress .part files
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- Cannot decompress .tar.gz files
- Cannot decompress LZ4 files
- Windows compatibility issues with character encoding
- Removal of .7z AES256 encryption support
- Inability to decompress external split archives
- Extraction failed errors reported by some users
- Compression fails for large numbers of files
- Permission bug: permission reappears after revoking
Requested features
14 requests- Add support for .tar.gz decompression
- Add support for .part files
- Add option to name archives before compression
- Add ability to compress multiple folders at once
- Add ability to add files to existing compressed files
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- Add option to delete compressed file after compression
- Add option to view documents without creating a copy
- Add password confirmation fields
- Add testing of archives for integrity
- Add support for LZ4 file decompression
- Add support for splitting archives on iOS (like macOS)
- Add Chinese language support
- Improve German translation quality
- Clarify location of 'keka folder'
In-app purchases
TechniCalc Calculator
- Every Little Helps$0.99
- Coffee-Sized Tip$2.99
- Lunch-Sized Tip$4.99
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- Pizza-Sized Tip$9.99
Keka
No in-app purchases
Questions
Is TechniCalc Calculator free?
Is Keka free?
Which has better reviews, TechniCalc Calculator or Keka?
Do TechniCalc Calculator or Keka have ads?
Which is updated more often, TechniCalc Calculator or Keka?
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