移动立信 vs Permutation Combination
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
移动立信
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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 ads: 移动立信 at none against Permutation Combination's shown. Permutation Combination's advantage is update cadence (every 2 days vs every 37 months). On price, in-app purchases, device support and iOS requirement 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.
移动立信 ships an update every 37 months, Permutation Combination every 2 days. The most recent releases landed on September 16, 2026 and June 1, 2026 respectively.
| Parameter | 移动立信 | Permutation Combination |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) — better | — |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 2 — better | — |
| Update frequency | Every 37 months | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 145 MB | 31 MB |
| Age rating | 17+ | 4+ |
| Developer | Shanghai Lixin University of Accounting And Finance | HIWAZERO |
Customer experience
移动立信
Permutation Combination
In-app purchases
移动立信
No in-app purchases
Permutation Combination
No in-app purchases
