# DoodleConnect vs Delta

The clearest difference is rating: DoodleConnect at 4.7 against Delta's 3.1. DoodleConnect also leads on in-app purchases (none vs 3) and ratings volume (56 vs 7). Delta's advantage is review sentiment (67% vs 56%) and device support (4 vs 2). On price, update cadence and ads there is nothing between them.

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

DoodleConnect holds the better App Store score, 4.7 against 3.1. That said, the two scores are not equally well evidenced: DoodleConnect has 56 ratings behind it against 7, so its average is the more settled of the two. Written reviews complicate that: 56% of DoodleConnect's written reviews are positive against 67% of Delta's, so the app with the better star average is not the one people write more warmly about.

DoodleConnect ships an update every 2 months, Delta monthly. The most recent releases landed on September 21, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | DoodleConnect | Delta |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (56 ratings)](https://appshunter.io/ios/app/doodleconnect/id1176073180/reviews)** | [3.1 (7 ratings)](https://appshunter.io/ios/app/delta-algorithms/id1436506800/reviews) |
| Number of ratings | **56** | 7 |
| Positive reviews | 56.0% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Freemium |
| Size | 37 MB | 5 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Discovery Education Inc.](https://appshunter.io/developer/1557216359) | [Groupe MINASTE](https://appshunter.io/developer/1378426984) |

## What reviewers say

### DoodleConnect

[App page](https://appshunter.io/ios/app/doodleconnect/id1176073180)

Monitor your child's educational development across multiple learning applications. Stay informed about their achievements, progress through the curriculum, and receive real-time updates on their learning journey.

**Highlights:** Instant progress notifications, View latest achievements, Track stars earned, Follow curriculum progress

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great for tracking progress
- 👍 Makes learning fun
- 👍 Interactive and engaging
- 👍 Good for home education
- 👍 Provides insightful data

**What reviewers complain about**

- 🐛 Glitches and bugs
- 🐛 App crashes/switches off
- 🐛 Syncing issues between devices
- 🐛 Not synching with Doodle Connect
- 🐛 Latest update ruined app

**Reported bugs**

- Losing streak
- No synching between apps on different devices
- Not synching with Doodle Connect app
- Latest update ruined the app
- Can't understand children's results anymore

**Requested features**

- Bring back old version
- More comprehensive initial test
- More challenging levels
- Option to add extra material for all students
- Better graphing options


### 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 DoodleConnect free?

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

### Is Delta free?

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

### Which has better reviews, DoodleConnect or Delta?

DoodleConnect is rated higher. DoodleConnect averages 4.7 out of 5 from 56 ratings, while Delta averages 3.1 from 7 ratings.

### Do DoodleConnect or Delta have ads?

Neither DoodleConnect nor Delta shows ads.

### Which is updated more often, DoodleConnect or Delta?

DoodleConnect ships an update every 2 months, and Delta monthly. Most recently, DoodleConnect was updated on September 21, 2026 and Delta on August 19, 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.*