# Delta vs Learn Data Structures

The clearest difference is update cadence: Delta at monthly against Learn Data Structures's every 16 months. Delta also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Delta sells 3 one-off in-app purchases and Learn Data Structures sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Delta ships an update monthly, Learn Data Structures every 16 months. The most recent releases landed on September 29, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Delta | Learn Data Structures |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 16 months |
| Monetization | Freemium | — |
| Size | 5 MB | 28 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Groupe MINASTE](https://appshunter.io/developer/1378426984) | [Ghumman Tech LLC](https://appshunter.io/developer/1671347750) |

## 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 |


### Learn Data Structures

[App page](https://appshunter.io/ios/app/learn-data-structures/id6446444404)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


## Frequently asked questions

### Is Delta free?

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

### Is Learn Data Structures free?

Learn Data Structures is free to download, with in-app purchases available.

### Do Delta or Learn Data Structures have ads?

Neither Delta nor Learn Data Structures shows ads.

### Which is updated more often, Delta or Learn Data Structures?

Delta ships an update monthly, and Learn Data Structures every 16 months. Most recently, Delta was updated on September 29, 2026 and Learn Data Structures on September 26, 2026.

---

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