# NumbersLettersWords vs Combinatorics Calculator

The clearest difference is update cadence: Combinatorics Calculator at every 3 weeks against NumbersLettersWords's every 51 months. NumbersLettersWords's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. NumbersLettersWords sells 1 one-off in-app purchase and Combinatorics Calculator sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

NumbersLettersWords ships an update every 51 months, Combinatorics Calculator every 3 weeks. The most recent releases landed on October 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NumbersLettersWords | Combinatorics Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 51 months | **Every 3 weeks** |
| Size | 11 MB | 180 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Panarin](https://appshunter.io/developer/876928121) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### NumbersLettersWords

[App page](https://appshunter.io/ios/app/numbersletterswords/id1540170614)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Removed ads, more options. | $1.99 | one-time |


### Combinatorics Calculator

[App page](https://appshunter.io/ios/app/combinatorics-calculator/id6472453602)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Lifetime Access | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is NumbersLettersWords free?

NumbersLettersWords is free to download, with in-app purchases available.

### Is Combinatorics Calculator free?

Combinatorics Calculator is free to download, with in-app purchases available.

### Do NumbersLettersWords or Combinatorics Calculator have ads?

Neither NumbersLettersWords nor Combinatorics Calculator shows ads.

### Which is updated more often, NumbersLettersWords or Combinatorics Calculator?

NumbersLettersWords ships an update every 51 months, and Combinatorics Calculator every 3 weeks. Most recently, NumbersLettersWords was updated on October 3, 2026 and Combinatorics Calculator on October 24, 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.*