Comparison

Massive Dev Chart Timer vs ColorDev Timer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Massive Dev Chart Timer

This app provides an offline film development chart and a multi-step timer for photographers. It includes customizable agitation, darkroom themes, and support for various developing and fixing steps. It also offers automated compensation for development time and temperature.

Highlights
  • Offline film development chart
  • Multi-step timer with sound notifications
  • Customizable agitation schemes
  • Darkroom themes
  • Dilution mixer
  • Automated time/temperature compensation
Features
Read full description

The Massive Dev Chart is the world's largest film development chart with easy to use multi step timer and darkroom support for iPhone and iPad. Watch the instructional video at: https://www.youtube.com/watch?v=P915z6THiY8. *** Features *** • Offline copy of The Massive Dev Chart in your pocket • Multi Step Timer with sound notifications • Customizable agitation scheme • Darkroom themes • Dilution Mixer • Support for two-step development and two-step fixing • Support for optional hypoclear and photo flo steps • Automated development time/temperature compensation

About

ColorDev Timer

Features
Read full description

ColorDev Timer is designed for analog photographers developing color film (C-41) who want a clear, reliable, and distraction-free workflow. Choose your development kit, enter the total chemistry volume, how many rolls have already been processed, and whether you’re pushing or pulling film. The app calculates the timings and guides you through each development phase with a clear, lab-friendly timer. All development phases are listed with their individual durations, and the current phase is clearly highlighted. You can start any phase with a single tap and reset the entire process whenever needed. ColorDev Timer also tracks chemical usage, helping you know when your chemistry is approaching its recommended limits. Key features: • Phase-based development timer • Push / pull support • Development kit and volume selection • Roll usage tracking • Clean interface suitable for darkroom use • Designed for real analog workflows • App for Apple Watch No ads. No accounts. No clutter. Just analog photography.

Screenshots

Massive Dev Chart Timer4 screens
ColorDev Timer4 screens

Verdict

The call

The clearest difference is price: ColorDev Timer at Free against Massive Dev Chart Timer's $9.99. Massive Dev Chart Timer's advantage is in-app purchases (none vs 1) and chart position (#22 vs unranked). On update cadence, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

ColorDev Timer is free to download; Massive Dev Chart Timer costs $9.99 up front. ColorDev Timer sells 1 one-off in-app purchase. Massive Dev Chart Timer asks for nothing beyond the download.

UpkeepUpdate frequency

Massive Dev Chart Timer ships an update every 5 months, ColorDev Timer every 4 months. The most recent releases landed on September 23, 2026 and September 7, 2026 respectively.

Scorecard4 real differences · 7 level
Massive Dev Chart Timer versus ColorDev Timer: the parameters behind the verdict, then further details
ParameterMassive Dev Chart TimerColorDev Timer
Price$9.99Free — better
Rating3.7 (54 ratings) — better—
Positive reviews70.8% of reviews—
Number of ratings54 — better—
Update frequencyEvery 5 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
Best chart rank#22 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS12.0 — better17.6
Further details — not scored
Size14 MB6 MB
Age rating4+4+
DeveloperFreestyle Photo & ImagingAngel David Rodriguez

Bugs and requests

Massive Dev Chart Timer

Reported bugs

12 issues
  • HC110 dilution section displays only letters, not ratios
  • Dilution ratios not calculating when solution amount adjusted
  • App crashes after selecting film speed
  • Crashes on iPad with new update
  • Timer display shows three dots instead of seconds
Show 7 more
  • UI elements overlap on older iPhone models
  • Safelight mode white banner blocks display on iPad
  • Crashes during development process
  • Home screen line emits bright light in darkroom mode
  • App incompatible with newer iOS versions on older devices
  • Notes don't word wrap properly
  • Inconsistent film/developer availability between iPhone and iPad

Requested features

15 requests
  • Color film support (C-41, E-6, ECN-2 processes)
  • Search functionality by film brand/name
  • Ability to add custom process steps (presoak, toning)
  • Individual agitation control per development stage
  • Continuous agitation option
Show 10 more
  • Volume calculator for stop bath and fixer
  • Background timer functionality
  • Custom step name editing
  • Pull/push development times
  • Stand development support with hour-based timing
  • Apple Watch app
  • Syncing between iPhone and iPad
  • Fahrenheit temperature option
  • Additional common film stocks (Portra, Fuji 400H, Ektar)
  • Ability to add films not in database to custom times

ColorDev Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Massive Dev Chart Timer

No in-app purchases

1 purchases

ColorDev Timer

One-time1
  • Buy me a coffee$2.99

Questions

Is Massive Dev Chart Timer free?
Massive Dev Chart Timer costs $9.99, with no in-app purchases.
Is ColorDev Timer free?
ColorDev Timer is free to download, with in-app purchases available.
Do Massive Dev Chart Timer or ColorDev Timer have ads?
Neither Massive Dev Chart Timer nor ColorDev Timer shows ads.
Which is updated more often, Massive Dev Chart Timer or ColorDev Timer?
Massive Dev Chart Timer ships an update every 5 months, and ColorDev Timer every 4 months. Most recently, Massive Dev Chart Timer was updated on September 23, 2026 and ColorDev Timer on September 7, 2026.

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