# Delta vs Npaye

The clearest difference is in-app purchases: Npaye at none against Delta's 3. Delta's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Delta sells 3 one-off in-app purchases. Npaye asks for nothing beyond the download.

## The numbers

| Metric | Delta | Npaye |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (7 ratings)](https://appshunter.io/ios/app/delta-algorithms/id1436506800/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Monthly | — |
| Monetization | Freemium | — |
| Size | 5 MB | 63 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | — |
| Age rating | 4+ | 17+ |
| Developer | [Groupe MINASTE](https://appshunter.io/developer/1378426984) | [NAKELASI](https://appshunter.io/developer/1601884677) |

## What reviewers say

### Delta

[App page](https://appshunter.io/ios/app/delta-algorithms/id1436506800)

This app helps users solve math problems by creating and executing algorithms. It offers tools for homework checking, test preparation, and creating custom quizzes. Users can save, share, and download algorithms via the cloud.

**Highlights:** Create algorithms with natural language, Execute algorithms to solve math problems, Create and download custom quizzes, Save and share algorithms, Cloud synchronization for algorithms

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation 1 | $0.99 | one-time |
| Donation 2 | $2.99 | one-time |
| Donation 3 | $4.99 | one-time |


### Npaye

[App page](https://appshunter.io/ios/app/npaye/id6449651422)

**In-app purchases:** none


## Frequently asked questions

### Is Delta free?

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

### Is Npaye free?

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

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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.*