# Photon 2 vs Stemly Convert

The clearest difference is price: Photon 2 at Free against Stemly Convert's $1.99. Photon 2 also leads on update cadence (every 5 weeks vs every 3 months) and iOS requirement (15.6 vs 17.6). Stemly Convert's advantage is in-app purchases (none vs 5). On ads and device support there is nothing between them.

Photon 2 is free to download; Stemly Convert costs $1.99 up front. Photon 2 sells 5 in-app purchases, starting at $29.99 per year. Stemly Convert asks for nothing beyond the download.

Photon 2 ships an update every 5 weeks, Stemly Convert every 3 months. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Photon 2 | Stemly Convert |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.5 (72 ratings)](https://appshunter.io/ios/app/photon-2-dmx-light-controller/id1545017671/reviews)** | — |
| Number of ratings | **72** | — |
| Positive reviews | 80.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 1 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Photon Studio](https://appshunter.io/developer/449592177) | [Andrzej Bandosz](https://appshunter.io/developer/1884301857) |

## What reviewers say

### Photon 2

[App page](https://appshunter.io/ios/app/photon-2-dmx-light-controller/id1545017671)

This app provides a professional lighting console for controlling DMX and Philips Hue devices wirelessly. It allows users to create custom interfaces, manage lights, and synchronize effects to music for live events, performances, and filmmaking.

**Highlights:** Wireless Art-Net/sACN DMX control, Philips Hue Entertainment integration, Customizable user interface, Scene and sequence creation, Beat synchronization to music, MIDI controller support

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Photon+ Founder | $29.99 | per year |
| Photon+ | $59.99 | per year |
| Starter Plan | $44.99 | one-time |
| Pro Plan | $64.99 | one-time |
| Pro Plan | $79.99 | one-time |


### Stemly Convert

[App page](https://appshunter.io/ios/app/stemly-convertaudio-converter/id6783737431)

**In-app purchases:** none


## Frequently asked questions

### Is Photon 2 free?

Photon 2 is free to download, with in-app purchases available.

### Is Stemly Convert free?

Stemly Convert costs $1.99, with no in-app purchases.

### Do Photon 2 or Stemly Convert have ads?

Neither Photon 2 nor Stemly Convert shows ads.

### Which is updated more often, Photon 2 or Stemly Convert?

Photon 2 ships an update every 5 weeks, and Stemly Convert every 3 months. Most recently, Photon 2 was updated on October 14, 2026 and Stemly Convert on October 1, 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.*