Comparison

Massive Dev Chart Timer vs Develop!

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

Develop!

This app provides a flexible and intuitive timer for film and darkroom development. Create custom development recipes with multiple steps and intervals, and utilize a special darkroom mode for low-light conditions. Easily share your recipes and import them from FilmDev.org.

Highlights
  • Customizable development recipes
  • Multiple steps and intervals per recipe
  • Darkroom Mode (red-on-black theme)
  • Integrated interval timer
  • Import recipes from FilmDev.org
  • Share recipes via social media
Features
Read full description

Develop your film with a smile! Develop! Film Development Timer is a flexible and elegant timer suitable for film and darkroom use. Create your own development recipes through a very simple and intuitive process. As many steps as you need with multiple intervals per step. It is entirely up to you, you are in full control. Notable Features: - Darkroom Mode: A minimalist red-on-black theme for darkroom use - Flexible: As many recipes as you like, as many steps per recipe as you like. Name your steps however you like. Record notes however you like. - Intuitive: Minimalist, elegant interface gets out of your way so there is nothing standing between you and your photography. Large timer is visible across the room. - Intervals: An integrated interval timer makes it easy to do things like “for this step please beep after the first minute and then every 30 seconds". You’ll know at-a-glance how much time until your next inversion. - Nostalgia: Great faux leather vulcanite covering - Import: Import recipes directly from FilmDev.org - Share. Tweet and post your recipes. Facebook, Twitter, Mail, Sina Weibo, Tencent Weibo are all supported. No more excuses that you lost track of time or forgot to agitate at a 30 seconds interval -- this is a thing of the past. Concentrate on being the best photographer and alchemist you can be, leave the timing to Develop!. Now go out there and shoot a roll of film! Good luck! 100% free. Always.

Screenshots

Massive Dev Chart Timer4 screens
Develop!4 screens

Verdict

The call

The clearest difference is price: Develop! at Free against Massive Dev Chart Timer's $9.99. Develop! also leads on rating (4.8 vs 3.7) and update cadence (every 4 weeks vs every 5 months). Massive Dev Chart Timer's advantage is chart position (#62 vs unranked). On ads, in-app purchases, device support and iOS requirement 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

Develop! is free to download; Massive Dev Chart Timer costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Develop! holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Develop! has 374 ratings behind it against 54, so its average is the more settled of the two. Written reviews point the same way: 71% of Massive Dev Chart Timer's written reviews are positive against 89% of Develop!'s.

UpkeepUpdate frequency

Massive Dev Chart Timer ships an update every 5 months, Develop! every 4 weeks. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

Scorecard7 real differences · 4 level
Massive Dev Chart Timer versus Develop!: the parameters behind the verdict, then further details
ParameterMassive Dev Chart TimerDevelop!
Price$9.99Free — better
Rating3.7 (54 ratings)4.8 (374 ratings) — better
Positive reviews70.8% of reviews88.7% of reviews — better
Number of ratings54374 — better
Update frequencyEvery 5 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
Best chart rank#62 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.011.0 — better
Further details — not scored
Size14 MB101 MB
Age rating4+4+
DeveloperFreestyle Photo & ImagingTodd Breslow

Customer experience

Massive Dev Chart Timer

All ratings54 ratings
Positive63.0%
Neutral7.4%
Negative29.6%
Written reviews216 reviews
Positive70.8%
Neutral8.3%
Negative20.8%

Develop!

All ratings374 ratings
Positive95.2%
Neutral1.9%
Negative2.9%
Written reviews115 reviews
Positive88.7%
Neutral6.1%
Negative5.2%

User reviews

Massive Dev Chart Timer

From 54 App Store ratings

What we love

  • 📚 Comprehensive film and developer database
  • ⏱️ Reliable timer with agitation reminders
  • 🎯 Easy-to-use interface for darkroom work
  • 🌙 Darkroom mode with red/black display
  • ✏️ Customizable development times and profiles

Room to improve

  • 🚫 Black and white film only (no color film support)
  • 🐛 Recent update broke HC110 dilution display
  • 🐛 App crashes on certain devices/iOS versions
  • 💰 Price point ($8.99-$11.99) for limited functionality
  • 🔍 Poor search functionality for films

Develop!

From 374 App Store ratings

What we love

  • 🚀 Straightforward and useful
  • 👍 Customizable timers and recipes
  • 👍 Helpful voice prompts
  • 👍 Simple and easy to use
  • 👍 Excellent for film development

Room to improve

  • 🐛 Occasional crashes or bugs
  • 🔋 Cannot run in background
  • 👎 Quiet chime/alarm volume
  • 👎 Difficult to add/edit tasks
  • 👎 No darkroom mode or red light option

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

Develop!

Reported bugs

3 issues
  • Crashes on startup for some users
  • Timer stops when switching apps or locking phone
  • Issues with saving and editing recipes

Requested features

7 requests
  • Ability to pause and resume timers
  • Option to clone/duplicate existing recipes
  • Integration with development charts or databases
  • More detailed task descriptions and notes
  • Ability to skip optional steps
Show 2 more
  • Larger font size for better visibility
  • Background music playback without interruption

In-app purchases

None

Massive Dev Chart Timer

No in-app purchases

None

Develop!

No in-app purchases

Questions

Is Massive Dev Chart Timer free?
Massive Dev Chart Timer costs $9.99, with no in-app purchases.
Is Develop! free?
Develop! is free to download, with no in-app purchases.
Which has better reviews, Massive Dev Chart Timer or Develop!?
Develop! is rated higher. Massive Dev Chart Timer averages 3.7 out of 5 from 54 ratings, while Develop! averages 4.8 from 374 ratings.
Do Massive Dev Chart Timer or Develop! have ads?
Neither Massive Dev Chart Timer nor Develop! shows ads.
Which is updated more often, Massive Dev Chart Timer or Develop!?
Massive Dev Chart Timer ships an update every 5 months, and Develop! every 4 weeks. Most recently, Massive Dev Chart Timer was updated on October 1, 2026 and Develop! on September 30, 2026.

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