# AVR Tutorial Pro vs DoodleConnect

The clearest difference is price: DoodleConnect at Free against AVR Tutorial Pro's $1.99. DoodleConnect also leads on in-app purchases (none vs 10) and update cadence (every 2 months vs every 4 months). AVR Tutorial Pro's advantage is iOS requirement (9.0 vs 15.0). On ads and device support there is nothing between them.

DoodleConnect is free to download; AVR Tutorial Pro costs $1.99 up front. AVR Tutorial Pro sells 10 one-off in-app purchases. DoodleConnect asks for nothing beyond the download.

AVR Tutorial Pro ships an update every 4 months, DoodleConnect every 2 months. The most recent releases landed on August 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | AVR Tutorial Pro | DoodleConnect |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.7 (56 ratings)](https://appshunter.io/ios/app/doodleconnect/id1176073180/reviews)** |
| Number of ratings | — | **56** |
| Positive reviews | — | 56.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 33 MB | 37 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [Discovery Education Inc.](https://appshunter.io/developer/1557216359) |

## What reviewers say

### AVR Tutorial Pro

[App page](https://appshunter.io/ios/app/avr-tutorial-pro/id1066643368)

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SPI OLED | $1.99 | one-time |
| Wifi home automation | $1.99 | one-time |
| I2C OLED | $1.99 | one-time |
| 2.2" TFT | $1.99 | one-time |
| Lora home automation | $1.99 | one-time |
| gps project | $2.99 | one-time |
| Home automation using Siri | $2.99 | one-time |
| Home automation using Google | $2.99 | one-time |
| BT home automation | $4.99 | one-time |
| BLE home automation | $4.99 | one-time |


### 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


## Frequently asked questions

### Is AVR Tutorial Pro free?

AVR Tutorial Pro costs $1.99, and also offers in-app purchases.

### Is DoodleConnect free?

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

### Do AVR Tutorial Pro or DoodleConnect have ads?

Neither AVR Tutorial Pro nor DoodleConnect shows ads.

### Which is updated more often, AVR Tutorial Pro or DoodleConnect?

AVR Tutorial Pro ships an update every 4 months, and DoodleConnect every 2 months. Most recently, AVR Tutorial Pro was updated on August 22, 2026 and DoodleConnect on September 21, 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.*