Comparison

Massive Dev Chart Timer vs Blur Go

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

Blur Go

Easily apply a customizable blur effect to your photos with simple adjustments. Import parameters and export your edited images with a unique aesthetic. This app offers a straightforward way to enhance your pictures.

Highlights
  • Simple filter blur
  • Customizable adjustment parameters
  • Import photo adjustment parameters
  • Export edited photos
  • Tiny and useful design
Features
Read full description

With a simple filter blur, your photos can show a different effect with a slight adjustment. - Just import photo adjustment parameters and to export photos - Tiny and Useful Enjoy it ~

Screenshots

Massive Dev Chart Timer4 screens
Blur Go3 screens

Verdict

The call

The clearest difference is rating: Blur Go at 4.3 against Massive Dev Chart Timer's 3.7. Blur Go also leads on price ($0.99 vs $9.99) and iOS requirement (9.0 vs 12.0). Massive Dev Chart Timer's advantage is ratings volume (54 vs 3) and chart position (#20 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

CostPrice · In-app purchases · Ads · Monetization

Massive Dev Chart Timer costs $9.99 and Blur Go $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Blur Go holds the better App Store score, 4.3 against 3.7. That said, the two scores are not equally well evidenced: Massive Dev Chart Timer has 54 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Massive Dev Chart Timer ships an update every 5 months, Blur Go every 10 months. The most recent releases landed on September 23, 2026 and August 22, 2026 respectively.

Scorecard6 real differences · 5 level
Massive Dev Chart Timer versus Blur Go: the parameters behind the verdict, then further details
ParameterMassive Dev Chart TimerBlur Go
Price$9.99$0.99 — better
Rating3.7 (54 ratings)4.3 (3 ratings) — better
Positive reviews70.8% of reviews—
Number of ratings54 — better3
Update frequencyEvery 5 months — betterEvery 10 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#20 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.09.0 — better
Further details — not scored
Size14 MB1 MB
Age rating4+4+
DeveloperFreestyle Photo & Imaging恒俭 董

Customer experience

Massive Dev Chart Timer

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

Blur Go

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%

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

Blur Go

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Massive Dev Chart Timer

No in-app purchases

None

Blur Go

No in-app purchases

Questions

Is Massive Dev Chart Timer free?
Massive Dev Chart Timer costs $9.99, with no in-app purchases.
Is Blur Go free?
Blur Go costs $0.99, with no in-app purchases.
Which has better reviews, Massive Dev Chart Timer or Blur Go?
Blur Go is rated higher. Massive Dev Chart Timer averages 3.7 out of 5 from 54 ratings, while Blur Go averages 4.3 from 3 ratings.
Do Massive Dev Chart Timer or Blur Go have ads?
Neither Massive Dev Chart Timer nor Blur Go shows ads.
Which is updated more often, Massive Dev Chart Timer or Blur Go?
Massive Dev Chart Timer ships an update every 5 months, and Blur Go every 10 months. Most recently, Massive Dev Chart Timer was updated on September 23, 2026 and Blur Go on August 22, 2026.

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