Massive Dev Chart Timer vs Simple Passe
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
Simple Passe
Easily add custom borders to your photos. Select border color and width, then apply to any image. The app saves a new image with borders, perfect for enhancing your social media galleries with an elegant look.
- Add custom borders
- Select border color
- Adjust border width
- Save bordered images
- Enhance social media photos
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Simple Passe allows you to effortlessly add beautiful borders to your images. Simply select the border color and width, choose an image, and a new image with borders will be saved to your Photos. With the default settings, this application creates images that enhance your Instagram gallery with an elegant sense of air and space.
Screenshots
Verdict
The clearest difference is price: Simple Passe at Free against Massive Dev Chart Timer's $9.99. Simple Passe also leads on rating (5.0 vs 3.7). Massive Dev Chart Timer's advantage is ratings volume (54 vs 2) and update cadence (every 5 months vs every 12 months). On ads and in-app purchases 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
Simple Passe 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.
Simple Passe holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Massive Dev Chart Timer has 54 ratings behind it against 2, so its average is the more settled of the two.
Massive Dev Chart Timer ships an update every 5 months, Simple Passe every 12 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.
| Parameter | Massive Dev Chart Timer | Simple Passe |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 3.7 (54 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 70.8% of reviews | — |
| Number of ratings | 54 — better | 2 |
| Update frequency | Every 5 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #34 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 14 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Freestyle Photo & Imaging | Ari Jaaksi |
Customer experience
Massive Dev Chart Timer
Simple Passe
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
Simple Passe
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Massive Dev Chart Timer
No in-app purchases
Simple Passe
No in-app purchases
Questions
Is Massive Dev Chart Timer free?
Is Simple Passe free?
Which has better reviews, Massive Dev Chart Timer or Simple Passe?
Do Massive Dev Chart Timer or Simple Passe have ads?
Which is updated more often, Massive Dev Chart Timer or Simple Passe?
Other comparisons
