Comparison

Non vs Permutation Combination

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

Head to head
About

Non

This utility helps users create groups of people without duplicates. Input group sizes with hyphens for uneven numbers, and the app automatically generates groupings. It also allows checking for overlaps with previous groupings and can be set to avoid duplication.

Highlights
  • Continuous grouping without duplication
  • Automatic grouping based on input
  • Handles uneven group sizes
  • Checks for overlap with new groupings
  • Option to avoid duplication
Features
Read full description

Ideal for those who want to do continuous grouping without duplication. We will respond to the needs you want to group easily in various scenes. If you enter the number of people for each group(โ€ป) and the name you want to group, it will be automatically grouped. โ€ป If the number of people in the group is even, please enter only that number. (Example: If you want to group two people at a time, enter "2") If the number of people in the group is not even, please input each number by a hyphen. (Example: If you want to group 3 people, 2 people and 1 person, enter "3-2-1") Once you can leave a fixed grouping, you can check the overlap with the new grouping. Also, by setting "avoid duplication" ON, you can combine as much as possible to avoid duplication when new grouping is done.

About

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.

Highlights
  • Permutation calculations
  • Combination calculations
  • Time-saving for exams
  • Mathematical and statistical use
  • User-friendly interface
Features
Read full description

"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

Non4 screens
Permutation Combination1 screens

Verdict

The call

The clearest difference is ads: Non at none against Permutation Combination's shown. Non also leads on review sentiment (33% vs 0%) and monetization model (free vs ad-supported). Permutation Combination's advantage is update cadence (every 2 days vs every 2 months). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Non ships an update every 2 months, Permutation Combination every 2 days. The most recent releases landed on July 28, 2026 and June 1, 2026 respectively.

Scorecard5 real differences ยท 3 level
Non versus Permutation Combination: the parameters behind the verdict, then further details
ParameterNonPermutation Combination
PriceFreeFree
Positive reviews33.3% of reviews โ€” better0.0% of reviews
Update frequencyEvery 2 monthsEvery 2 days โ€” better
AdsNo โ€” betterYes
In-app purchasesNoNo
MonetizationFree โ€” betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 โ€” better12.0
Further details โ€” not scored
Size10 MB31 MB
Age rating4+4+
DeveloperQWERT LLCHIWAZERO

Customer experience

Non

Written reviews9 reviews
Positive33.3%
Neutral22.2%
Negative44.4%

Permutation Combination

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Non

No in-app purchases

None

Permutation Combination

No in-app purchases

Questions

Is Non free?
Non is free to download, with no in-app purchases.
Is Permutation Combination free?
Permutation Combination is free to download, with no in-app purchases.
Do Non or Permutation Combination have ads?
Permutation Combination shows ads; Non does not.
Which is updated more often, Non or Permutation Combination?
Non ships an update every 2 months, and Permutation Combination every 2 days. Most recently, Non was updated on July 28, 2026 and Permutation Combination on June 1, 2026.

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