# Photon vs FullMarkApp

The clearest difference is update cadence: FullMarkApp at every 3 weeks against Photon's every 6 months. Photon's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Photon ships an update every 6 months, FullMarkApp every 3 weeks. The most recent releases landed on September 22, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Photon | FullMarkApp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Size | 38 MB | 36 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Amr Zakaria Abdallah Gaballah](https://appshunter.io/developer/1489981319) | [Omar Saleh Salem Messalm Sobeih](https://appshunter.io/developer/1879111092) |

## What reviewers say

### Photon

[App page](https://appshunter.io/ios/app/photon/id6742182544)

**Features:** macOS Compatibility

**In-app purchases:** none


### FullMarkApp

[App page](https://appshunter.io/ios/app/fullmarkapp/id6759507281)

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

**In-app purchases:** none


## Frequently asked questions

### Is Photon free?

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

### Is FullMarkApp free?

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

### Do Photon or FullMarkApp have ads?

Neither Photon nor FullMarkApp shows ads.

### Which is updated more often, Photon or FullMarkApp?

Photon ships an update every 6 months, and FullMarkApp every 3 weeks. Most recently, Photon was updated on September 22, 2026 and FullMarkApp on October 11, 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.*