# Permutation Combination vs Calculator & AI Math Solver

The clearest difference is review sentiment: Calculator & AI Math Solver at 83% against Permutation Combination's 0%. Permutation Combination's advantage is in-app purchases (none vs 6) and update cadence (every 2 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Calculator & AI Math Solver sells 6 in-app purchases, starting at $4.89 per 7 days. Permutation Combination asks for nothing beyond the download.

Permutation Combination ships an update every 2 days, Calculator & AI Math Solver every 5 weeks. The most recent releases landed on September 30, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Permutation Combination | Calculator & AI Math Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (55 ratings)](https://appshunter.io/ios/app/calculator-and-ai-math-solver/id6462117466/reviews)** |
| Number of ratings | — | **55** |
| Positive reviews | 0.0% of reviews | **83.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 5 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 31 MB | 87 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [HIWAZERO](https://appshunter.io/developer/1621048794) | [SimpleInnovation LLC](https://appshunter.io/developer/1479770962) |

## What reviewers say

### Permutation Combination

[App page](https://appshunter.io/ios/app/permutation-combination/id6448662601)

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:** macOS Compatibility

**In-app purchases:** none


### Calculator & AI Math Solver

[App page](https://appshunter.io/ios/app/calculator-and-ai-math-solver/id6462117466)

This app offers a powerful calculator with a history feature and advanced scientific functions. It uses AI to solve complex math problems instantly, including solving equations from photos and through a chat interface.

**Highlights:** Basic and advanced scientific calculations, Solve math problems from photos, AI chat bot for instant solutions, Calculation history, Currency converter, Graphing functions

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Photo Calculator, Math Solver | $4.89 | per 7 days |
| Photo Calculator, Math Solver | $6.99 | per 7 days |
| Scientific & Photo Calculator | $9.09 | per month |
| Scientific & Photo Calculator | $12.99 | per month |
| AI Calc & Math Problem Solver | $34.99 | per year |
| AI Calc & Math Problem Solver | $49.99 | per year |


## Frequently asked questions

### Is Permutation Combination free?

Permutation Combination is free to download, with no in-app purchases.

### Is Calculator & AI Math Solver free?

Calculator & AI Math Solver is free to download, with in-app purchases available.

### Do Permutation Combination or Calculator & AI Math Solver have ads?

Both Permutation Combination and Calculator & AI Math Solver show ads.

### Which is updated more often, Permutation Combination or Calculator & AI Math Solver?

Permutation Combination ships an update every 2 days, and Calculator & AI Math Solver every 5 weeks. Most recently, Permutation Combination was updated on September 30, 2026 and Calculator & AI Math Solver on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*