Massive Dev Chart Timer vs Film Reciprocity
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Offline film development chart
- Multi-step timer with sound notifications
- Customizable agitation schemes
- Darkroom themes
- Dilution mixer
- Automated time/temperature compensation
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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
Film Reciprocity
This app helps photographers calculate corrected exposure settings based on their chosen film stock and measured exposure. It provides a straightforward tool for achieving accurate results in film photography.
- Film stock selection
- Measured exposure input
- Corrected exposure calculation
- Open-source GPLv3 License
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Select your film stock, input your measured exposure, and voila! The corrected exposure will be calculated! The application is published under an open-source GPLv3 License.
Screenshots
Verdict
The clearest difference is price: Film Reciprocity at Free against Massive Dev Chart Timer's $9.99. Film Reciprocity also leads on update cadence (every 6 weeks vs every 5 months). Massive Dev Chart Timer's advantage is review sentiment (71% vs 50%) and ratings volume (55 vs 6). On rating, ads, in-app purchases 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
Film Reciprocity 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.
On the App Store both sit at effectively the same score — 3.7 for Massive Dev Chart Timer against 3.7 for Film Reciprocity. That said, the two scores are not equally well evidenced: Massive Dev Chart Timer has 55 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 71% of Massive Dev Chart Timer's written reviews are positive against 50% of Film Reciprocity's.
Massive Dev Chart Timer ships an update every 5 months, Film Reciprocity every 6 weeks. The most recent releases landed on October 21, 2026 and October 9, 2026 respectively.
| Parameter | Massive Dev Chart Timer | Film Reciprocity |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 3.7 (55 ratings) — better | 3.7 (6 ratings) |
| Positive reviews | 70.8% of reviews — better | 50.0% of reviews |
| Number of ratings | 55 — better | 6 |
| Update frequency | Every 5 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #28 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.2 — better |
| Further details — not scored | ||
| Size | 14 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Freestyle Photo & Imaging | Guillaume Moigneu |
Customer experience
Massive Dev Chart Timer
Film Reciprocity
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
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- 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
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- 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
Film Reciprocity
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Massive Dev Chart Timer
No in-app purchases
Film Reciprocity
No in-app purchases
Questions
Is Massive Dev Chart Timer free?
Is Film Reciprocity free?
Which has better reviews, Massive Dev Chart Timer or Film Reciprocity?
Do Massive Dev Chart Timer or Film Reciprocity have ads?
Which is updated more often, Massive Dev Chart Timer or Film Reciprocity?
Other comparisons
