# Chronodev vs Sun & Moon Position

The clearest difference is in-app purchases: Chronodev at none against Sun & Moon Position's 3. Chronodev also leads on iOS requirement (17.0 vs 26.0). Sun & Moon Position's advantage is update cadence (weekly vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Sun & Moon Position sells 3 in-app purchases, starting at $0.99 per month. Chronodev asks for nothing beyond the download.

Chronodev ships an update monthly, Sun & Moon Position weekly. The most recent releases landed on November 4, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Chronodev | Sun & Moon Position |
| --- | --- | --- |
| 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 | **Weekly** |
| Monetization | Free | — |
| Size | 2 MB | 13 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Olmats](https://appshunter.io/developer/1480968856) | [ryo muranaka](https://appshunter.io/developer/1606480078) |

## 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


### Sun & Moon Position

[App page](https://appshunter.io/ios/app/sun-and-moon-position/id6815093115)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Yearly | $9.99 | per year |
| Pro Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Chronodev free?

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

### Is Sun & Moon Position free?

Sun & Moon Position is free to download, with in-app purchases available.

### Do Chronodev or Sun & Moon Position have ads?

Neither Chronodev nor Sun & Moon Position shows ads.

### Which is updated more often, Chronodev or Sun & Moon Position?

Chronodev ships an update monthly, and Sun & Moon Position weekly. Most recently, Chronodev was updated on November 4, 2026 and Sun & Moon Position on November 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*