# Massive Dev Chart Timer vs Develop!

The clearest difference is price: Develop! at Free against Massive Dev Chart Timer's $9.99. Develop! also leads on rating (4.8 vs 3.7) and update cadence (every 4 weeks vs every 5 months). Massive Dev Chart Timer's advantage is chart position (#66 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Develop! 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.

Develop! holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Develop! has 374 ratings behind it against 54, so its average is the more settled of the two. Written reviews point the same way: 71% of Massive Dev Chart Timer's written reviews are positive against 89% of Develop!'s.

Massive Dev Chart Timer ships an update every 5 months, Develop! every 4 weeks. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Massive Dev Chart Timer | Develop! |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [3.7 (54 ratings)](https://appshunter.io/ios/app/massive-dev-chart-timer/id402405770/reviews) | **[4.8 (374 ratings)](https://appshunter.io/ios/app/develop/id568421864/reviews)** |
| Number of ratings | 54 | **374** |
| Positive reviews | 70.8% of reviews | **88.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#66** | — |
| Size | 14 MB | 101 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Freestyle Photo & Imaging](https://appshunter.io/developer/1786429988) | [Todd Breslow](https://appshunter.io/developer/568421867) |

## What reviewers say

### Massive Dev Chart Timer

[App page](https://appshunter.io/ios/app/massive-dev-chart-timer/id402405770)

**Currently charting:** #66 Top Paid · Photo & Video (US App Store)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 📚 Comprehensive film and developer database
- ⏱️ Reliable timer with agitation reminders
- 🎯 Easy-to-use interface for darkroom work
- 🌙 Darkroom mode with red/black display
- ✏️ Customizable development times and profiles

**What reviewers complain about**

- 🚫 Black and white film only (no color film support)
- 🐛 Recent update broke HC110 dilution display
- 🐛 App crashes on certain devices/iOS versions
- 💰 Price point ($8.99-$11.99) for limited functionality
- 🔍 Poor search functionality for films

**Reported bugs**

- 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

**Requested features**

- 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


### Develop!

[App page](https://appshunter.io/ios/app/develop/id568421864)

This app provides a flexible and intuitive timer for film and darkroom development. Create custom development recipes with multiple steps and intervals, and utilize a special darkroom mode for low-light conditions. Easily share your recipes and import them from FilmDev.org.

**Highlights:** Customizable development recipes, Multiple steps and intervals per recipe, Darkroom Mode (red-on-black theme), Integrated interval timer, Import recipes from FilmDev.org, Share recipes via social media

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Straightforward and useful
- 👍 Customizable timers and recipes
- 👍 Helpful voice prompts
- 👍 Simple and easy to use
- 👍 Excellent for film development

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔋 Cannot run in background
- 👎 Quiet chime/alarm volume
- 👎 Difficult to add/edit tasks
- 👎 No darkroom mode or red light option

**Reported bugs**

- Crashes on startup for some users
- Timer stops when switching apps or locking phone
- Issues with saving and editing recipes

**Requested features**

- Ability to pause and resume timers
- Option to clone/duplicate existing recipes
- Integration with development charts or databases
- More detailed task descriptions and notes
- Ability to skip optional steps


## Frequently asked questions

### Is Massive Dev Chart Timer free?

Massive Dev Chart Timer costs $9.99, with no in-app purchases.

### Is Develop! free?

Develop! is free to download, with no in-app purchases.

### Which has better reviews, Massive Dev Chart Timer or Develop!?

Develop! is rated higher. Massive Dev Chart Timer averages 3.7 out of 5 from 54 ratings, while Develop! averages 4.8 from 374 ratings.

### Do Massive Dev Chart Timer or Develop! have ads?

Neither Massive Dev Chart Timer nor Develop! shows ads.

### Which is updated more often, Massive Dev Chart Timer or Develop!?

Massive Dev Chart Timer ships an update every 5 months, and Develop! every 4 weeks. Most recently, Massive Dev Chart Timer was updated on October 1, 2026 and Develop! on September 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*