Comparison

Massive Dev Chart Timer vs Viddy

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

Viddy

Features
Read full description

You're building something. A game, a record, a book, a show, a product. Viddy turns it into a month of short-form video. Tell Viddy what you're working on and it builds a four-week plan of shoot-ready ideas for your kind of project. Record talking to camera, import screen recordings and clips, or sync a take to your own music. Cut it in a real timeline, burn in on-device captions, reframe once and export 9:16, 4:5, 1:1, and 16:9 in one pass. Post it, log the results, and Viddy tells you what to make next. Features: - Plans by project type: building in public, music release, art drop, podcast, launch - Song-free recording, clip import, and music-synced takes - Timeline editor with silence trim, speed, dissolves, B-roll, cover frames - On-device captions with SRT export; auto-reframe that follows your face - Instagram, TikTok, and YouTube result tracking; screenshot scanning for everything else - Long-form episodes with chapters, plus Shorts cut from the master - Milestone countdowns and posting goals Viddy never uploads your original recordings. Finished videos save to your Photos. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://backend.nessnite.workers.dev/privacy

Screenshots

Massive Dev Chart Timer4 screens
Viddy4 screens

Verdict

The call

The clearest difference is price: Viddy at Free against Massive Dev Chart Timer's $9.99. Viddy also leads on update cadence (every 2 days vs every 5 months). Massive Dev Chart Timer's advantage is in-app purchases (none vs 2) and chart position (#30 vs unranked). On ads 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

Viddy is free to download; Massive Dev Chart Timer costs $9.99 up front. Viddy sells 2 in-app purchases, starting at $9.99 per month. Massive Dev Chart Timer asks for nothing beyond the download.

UpkeepUpdate frequency

Massive Dev Chart Timer ships an update every 5 months, Viddy every 2 days. The most recent releases landed on October 9, 2026 and September 30, 2026 respectively.

Scorecard6 real differences · 5 level
Massive Dev Chart Timer versus Viddy: the parameters behind the verdict, then further details
ParameterMassive Dev Chart TimerViddy
Price$9.99Free — better
Rating3.7 (54 ratings) — better—
Positive reviews70.8% of reviews—
Number of ratings54 — better—
Update frequencyEvery 5 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
Best chart rank#30 — better—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better17.0
Further details — not scored
Size14 MB7 MB
Age rating4+4+
DeveloperFreestyle Photo & ImagingVanessa Reliford

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

Viddy

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Massive Dev Chart Timer

No in-app purchases

2 purchases

Viddy

Subscriptions2
  • Viddy Artist Monthly$9.991 Month
  • Viddy Artist Annual14 Days trial$59.991 Year

Questions

Is Massive Dev Chart Timer free?
Massive Dev Chart Timer costs $9.99, with no in-app purchases.
Is Viddy free?
Viddy is free to download, with in-app purchases available.
Do Massive Dev Chart Timer or Viddy have ads?
Neither Massive Dev Chart Timer nor Viddy shows ads.
Which is updated more often, Massive Dev Chart Timer or Viddy?
Massive Dev Chart Timer ships an update every 5 months, and Viddy every 2 days. Most recently, Massive Dev Chart Timer was updated on October 9, 2026 and Viddy on September 30, 2026.

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