# Chronodev vs Max Photo Frames

The clearest difference is in-app purchases: Chronodev at none against Max Photo Frames's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Max Photo Frames sells 4 one-off in-app purchases. Chronodev asks for nothing beyond the download.

Chronodev ships an update monthly, Max Photo Frames every 3 weeks. The most recent releases landed on September 29, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Chronodev | Max Photo Frames |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/chronodev-darkroom-timer/id6478027671/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 2 MB | 62 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Olmats](https://appshunter.io/developer/1480968856) | [Oscar Lim](https://appshunter.io/developer/1129098783) |

## What reviewers say

### Chronodev

[App page](https://appshunter.io/ios/app/chronodev-darkroom-timer/id6478027671)

This app transforms your iPhone or iPad into a darkroom enlarger timer. It uses HomeKit-enabled devices to control your enlarger and safelights, offering features like manual control, metronome for dodging/burning, and automatic test strip creation.

**Highlights:** iPhone/iPad enlarger timer, HomeKit device control, Manual enlarger focusing, Metronome for dodging/burning, EV stop time adjustments, Automatic test strip creation, Voice control support

**In-app purchases:** none


### Max Photo Frames

[App page](https://appshunter.io/ios/app/max-photo-frames/id6751881820)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A small tip | $0.99 | one-time |
| A coffee | $3.99 | one-time |
| A bubble tea | $7.99 | one-time |
| A round of drinks | $29.99 | one-time |


## Frequently asked questions

### Is Chronodev free?

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

### Is Max Photo Frames free?

Max Photo Frames is free to download, with in-app purchases available.

### Do Chronodev or Max Photo Frames have ads?

Neither Chronodev nor Max Photo Frames shows ads.

### Which is updated more often, Chronodev or Max Photo Frames?

Chronodev ships an update monthly, and Max Photo Frames every 3 weeks. Most recently, Chronodev was updated on September 29, 2026 and Max Photo Frames on October 9, 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.*