# AVR Tutorial vs ProPic

The clearest difference is update cadence: ProPic at every 2 weeks against AVR Tutorial's every 3 months. AVR Tutorial's advantage is iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AVR Tutorial sells 10 one-off in-app purchases and ProPic sells 2 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AVR Tutorial ships an update every 3 months, ProPic every 2 weeks. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | AVR Tutorial | ProPic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/avr-tutorial/id1070496499/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 35 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [Mansi Jasani](https://appshunter.io/developer/1724789999) |

## What reviewers say

### AVR Tutorial

[App page](https://appshunter.io/ios/app/avr-tutorial/id1070496499)

This app simplifies learning AVR microcontrollers with a code wizard that generates C source code for various peripherals. It offers demo projects and an architecture review, making complex MCU programming more accessible for hobbyists and students.

**Highlights:** AVR architecture review, AVR assembly and C language, 21 demo projects, Code wizard for peripherals, Portability to other ATMEGA MCUs, I2C and SPI EEPROM support (PRO)

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock PRO feature | $1.99 | one-time |
| SPI OLED | $1.99 | one-time |
| I2C OLED | $1.99 | one-time |
| Wifi home automation | $1.99 | one-time |
| 2.2" TFT | $1.99 | one-time |
| LoRa home automation | $1.99 | 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 |


### ProPic

[App page](https://appshunter.io/ios/app/propic-profile-picture-border/id6745143717)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Remove ads weekly | $0.99 | per 7 days |
| Subscription Removeads Monthly | $4.99 | per month |


## Frequently asked questions

### Is AVR Tutorial free?

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

### Is ProPic free?

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

### Do AVR Tutorial or ProPic have ads?

Neither AVR Tutorial nor ProPic shows ads.

### Which is updated more often, AVR Tutorial or ProPic?

AVR Tutorial ships an update every 3 months, and ProPic every 2 weeks. Most recently, AVR Tutorial was updated on October 10, 2026 and ProPic on October 16, 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.*