Massive Dev Chart Timer vs NegaViewer
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
NegaViewer
Easily convert your film negatives into digital photos using your iPhone. Transform both color and black & white negatives with a high-speed, intuitive interface. Save your digitized memories directly to your device's photo library.
- Convert color and black & white negatives
- High-speed image processing
- Intuitive interface
- Save to photo library
- Digitize analog memories
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NegaViewer: Transform Film Negatives to Digital Photos IMPORTANT: A BACKLIGHT PANEL IS REQUIRED for optimal performance. Breathe new life into your analog memories with NegaViewer. Convert your cherished film negatives into vibrant digital photos using the power of your iPhone. Key Features: • Transform color and black & white negatives • High-speed image processing • Intuitive interface for easy conversion • Save converted images directly to your photo library Requirements: • Backlight panel (essential for clear image capture) • Camera and photo library access Rediscover the magic of your film photography with NegaViewer. Don't let your precious memories fade away – bring them into the digital age today!
Screenshots
Verdict
The clearest difference is price: NegaViewer at $0.99 against Massive Dev Chart Timer's $9.99. NegaViewer also leads on update cadence (every 6 weeks vs every 5 months). Massive Dev Chart Timer's advantage is review sentiment (71% vs 33%) and chart position (#24 vs unranked). On ads, in-app purchases, monetization model 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
Massive Dev Chart Timer costs $9.99 and NegaViewer $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Massive Dev Chart Timer ships an update every 5 months, NegaViewer every 6 weeks. Both last shipped on October 24, 2026.
| Parameter | Massive Dev Chart Timer | NegaViewer |
|---|---|---|
| Price | $9.99 | $0.99 — better |
| Rating | 3.7 (55 ratings) — better | — |
| Positive reviews | 70.8% of reviews — better | 33.3% of reviews |
| Number of ratings | 55 — better | — |
| Update frequency | Every 5 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #24 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.6 |
| Further details — not scored | ||
| Size | 14 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Freestyle Photo & Imaging | Uda Toyokazu |
Customer experience
Massive Dev Chart Timer
NegaViewer
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
NegaViewer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Massive Dev Chart Timer
No in-app purchases
NegaViewer
No in-app purchases
Questions
Is Massive Dev Chart Timer free?
Is NegaViewer free?
Do Massive Dev Chart Timer or NegaViewer have ads?
Which is updated more often, Massive Dev Chart Timer or NegaViewer?
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