jCalc vs Permutation Combination
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
jCalc
This app is a powerful yet easy-to-use scientific calculator designed for students, teachers, and professionals. It simplifies complex calculations involving fractions, decimals, and advanced equations with flexible answer formats and smart conversions.
- Fractions and decimals calculations
- Flexible answer formats
- Smart conversions
- Advanced math functions
- Memory recall
- Auto parentheses
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Simple. Powerful. Easy to Use. jCalc is a scientific calculator designed for students, teachers, and professionals. Whether you're solving fractions, decimals, or advanced equations, jCalc makes it easy and intuitive. Key Features: Fractions and Decimals Made Easy: • [1] [.] [2] = 1.2 • [1] [n/d] [2] = 1/2 • [1] [n/d] [2] [Nn/d] [3] = 1_2/3 Flexible Answer Formats: • Display up to 16 decimal places • Results in irrational, rational, decimal, or scientific format • Trigonometric results in radians, degrees, or gradians Smart Conversions: • [Ab/c] ⟺ [a/b] ⟺ [a.b] ⟺ [a.b×10^c] Button Functions You’ll Love: • [del]: Delete the last entry • [C]: Clear the current expression • [AC]: Hold [C] to clear all entries • [sci]: Switch to scientific mode • [2nd]: Access advanced functions Advanced Math Features: • Memory Functions: Recall previous answers with [ans] • Auto Parentheses: No manual typing needed • Percent Button: Simplify percentage calculations • Scientific Notation: Effortless input for large numbers • π Button: Quick access to π Comprehensive Math Tools: • Roots, powers, and exponents • Logarithms (including custom bases) • Trigonometric and hyperbolic functions ([hyp]) • Permutations, combinations, and factorials ([prob]) Discover a calculator that’s as simple as it is powerful. Happy calculating!
Permutation Combination
Easily calculate permutations and combinations for mathematics and statistics. This tool simplifies complex calculations, helping users save time and improve accuracy in exams and studies.
- Permutation calculations
- Combination calculations
- Time-saving for exams
- Mathematical and statistical use
- User-friendly interface
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"Permutation Combination Calculator" is an application that makes it easy to perform calculations for permutations and combinations commonly used in mathematics and statistics. By using this app, even those who are not good at mathematical calculations can easily perform calculations. The app is equipped with functions for performing permutation and combinatorial calculations. In permutation calculations, you can find the number of cases where r elements are selected from n elements. Combinatorial calculations, on the other hand, allow you to find the number of cases where r elements are selected from n elements, disregarding the order. In web-based examinations with strict time limits, reducing the time spent on calculation questions can free up time to answer other questions. By allocating your time appropriately and using the "Permutation Combination Calculator", you can take the web-based examinations efficiently and accurately.
Screenshots
Verdict
The clearest difference is review sentiment: jCalc at 85% against Permutation Combination's 0%. jCalc also leads on rating (4.6 vs 2.0) and ads (none vs shown). Permutation Combination's advantage is update cadence (every 2 days vs every 7 months) and iOS requirement (12.0 vs 14.1). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
jCalc holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: jCalc has 259 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 85% of jCalc's written reviews are positive against 0% of Permutation Combination's.
jCalc ships an update every 7 months, Permutation Combination every 2 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | jCalc | Permutation Combination |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (259 ratings) — better | 2.0 (1 ratings) |
| Positive reviews | 85.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 259 — better | 1 |
| Update frequency | Every 7 months | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.1 | 12.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Jon Ericksen | HIWAZERO |
Customer experience
jCalc
Permutation Combination
Bugs and requests
jCalc
Reported bugs
7 issues- Display characters not rendering correctly (about 1/4 of characters missing)
- Fraction buttons not working as intended
- iPhone landscape mode does not rotate or display split view
- App freezes during use
- Character display issues with numbers 0-9 appearing incomplete
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- Compatibility issues with latest iOS updates
- Fraction input only accepts single digits before conversion
Requested features
9 requests- Widget support for home screen
- Scientific calculator functions (sin, cos, tan, square root, squaring)
- Original version 1.0 color scheme option
- Running tape format in newer versions
- Screen rotation lock for landscape mode
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- Memory function for calculations
- More conventional calculator design option
- Tutorial or onboarding guide
- Support for iPhone Max devices
Permutation Combination
Not enough reviews yet to summarise bugs or requests.
In-app purchases
jCalc
No in-app purchases
Permutation Combination
No in-app purchases
Questions
Is jCalc free?
Is Permutation Combination free?
Which has better reviews, jCalc or Permutation Combination?
Do jCalc or Permutation Combination have ads?
Which is updated more often, jCalc or Permutation Combination?
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