# Mobile 3.0 vs Delta

The clearest difference is in-app purchases: Mobile 3.0 at none against Delta's 3. Delta's advantage is update cadence (monthly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Delta sells 3 one-off in-app purchases. Mobile 3.0 asks for nothing beyond the download.

Mobile 3.0 ships an update every 3 months, Delta monthly. The most recent releases landed on October 10, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Mobile 3.0 | Delta |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Freemium |
| Size | 431 MB | 5 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Media Minds, Inc.](https://appshunter.io/developer/428078092) | [Groupe MINASTE](https://appshunter.io/developer/1378426984) |

## What reviewers say

### Mobile 3.0

[App page](https://appshunter.io/ios/app/mobile-30/id928721067)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Mobile 3.0 free?

Mobile 3.0 is free to download, with no in-app purchases.

### Is Delta free?

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

### Do Mobile 3.0 or Delta have ads?

Neither Mobile 3.0 nor Delta shows ads.

### Which is updated more often, Mobile 3.0 or Delta?

Mobile 3.0 ships an update every 3 months, and Delta monthly. Most recently, Mobile 3.0 was updated on October 10, 2026 and Delta on September 29, 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.*