# AVR Projects vs PHP Programming Pro

The clearest difference is price: AVR Projects at Free against PHP Programming Pro's $4.99. AVR Projects also leads on update cadence (daily vs every 6 months). PHP Programming Pro's advantage is in-app purchases (none vs 10). On ads, device support and iOS requirement there is nothing between them.

AVR Projects is free to download; PHP Programming Pro costs $4.99 up front. AVR Projects sells 10 one-off in-app purchases. PHP Programming Pro asks for nothing beyond the download.

AVR Projects ships an update daily, PHP Programming Pro every 6 months. The most recent releases landed on September 9, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | AVR Projects | PHP Programming Pro |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 6 months |
| Size | 20 MB | 13 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Zaw Win Myat](https://appshunter.io/developer/1800881321) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### AVR Projects

[App page](https://appshunter.io/ios/app/avr-projects/id6745124011)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| R2R Ladder DAC | $0.99 | one-time |
| Sawtooth Waveform | $0.99 | one-time |
| Triangular Waveform | $0.99 | one-time |
| Sine Waveform | $0.99 | one-time |
| Ammeter AVR | $0.99 | one-time |
| 4x3 Matrix Keypad | $0.99 | one-time |
| Ohm Meter AVR | $0.99 | one-time |
| Voltmeter AVR | $0.99 | one-time |
| TM1637 Interfacing with AVR | $0.99 | one-time |
| Graphic LCD Interfacing | $0.99 | one-time |


### PHP Programming Pro

[App page](https://appshunter.io/ios/app/php-programming-pro/id6748204151)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AVR Projects free?

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

### Is PHP Programming Pro free?

PHP Programming Pro costs $4.99, with no in-app purchases.

### Do AVR Projects or PHP Programming Pro have ads?

Neither AVR Projects nor PHP Programming Pro shows ads.

### Which is updated more often, AVR Projects or PHP Programming Pro?

AVR Projects ships an update daily, and PHP Programming Pro every 6 months. Most recently, AVR Projects was updated on September 9, 2026 and PHP Programming Pro on September 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.*