Mat Cutout vs Chronodev
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mat Cutout
This app assists in calculating precise cardboard cutouts for framing artwork. It offers two distinct modes to help users mount their masterpieces accurately.
- Passepartout cutout calculation
- Cardboard mounting assistance
- Photographic calculation mode
- Center calculation mode
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Helping you calculate the cutouts when you are doing passepartout. An always handy app to calculate your cardboard for when your are mounting your masterpieces for framing. Comes with two modes, photographic calculation and center calculation.
Chronodev
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.
- 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
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Transform your iPhone into an enlarger timer using Chronodev. Chronodev uses HomeKit-enabled wall plugs and lightbulbs to control your enlarger and safelights. Secondhand enlarger timers can be expensive and hard to find. This one costs the price of a wi-fi wall plug. - Control your enlarger and safelight with your iPhone or iPad - Expose prints accurately using the HomeKit-enabled timer - Manual enlarger control for focusing - Use the metronome for dodging and burning - Adjust times using EV stops - Automatically create test strips with incremental exposures, and keep track of exposure times using a handy graph - Automatically turn your safelight off when exposing/focusing - Voice control support for hands-free development - Safe to use in black and white darkrooms when using iOS's built-in red color filter A HomeKit-enabled wall plug and/or lightbulb is required to use all features of this app. Some features (like a basic timer and EV stop calculations) are available without a HomeKit-enabled device.
Screenshots
Verdict
The clearest difference is update cadence: Chronodev at monthly against Mat Cutout's every 21 months. Mat Cutout's advantage is iOS requirement (8.4 vs 17.0). On price, review sentiment, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Mat Cutout ships an update every 21 months, Chronodev monthly. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.
| Parameter | Mat Cutout | Chronodev |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 21 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 8.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 12 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Soeren Randum | Kevin Olmats |
Customer experience
Mat Cutout
Chronodev
In-app purchases
Mat Cutout
No in-app purchases
Chronodev
No in-app purchases









