# Massive Dev Chart Timer vs mySpotMeter

The clearest difference is rating: mySpotMeter at 4.2 against Massive Dev Chart Timer's 3.7. mySpotMeter also leads on update cadence (every 2 days vs every 5 months) and review sentiment (100% vs 71%). Massive Dev Chart Timer's advantage is ratings volume (54 vs 6) and device support (3 vs 1). On ads, in-app purchases, monetization model and chart position there is nothing between them.

Massive Dev Chart Timer costs $9.99 and mySpotMeter $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

mySpotMeter holds the better App Store score, 4.2 against 3.7. That said, the two scores are not equally well evidenced: Massive Dev Chart Timer has 54 ratings behind it against 6, 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 100% of mySpotMeter's.

Massive Dev Chart Timer ships an update every 5 months, mySpotMeter every 2 days. The most recent releases landed on October 1, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Massive Dev Chart Timer | mySpotMeter |
| --- | --- | --- |
| Price | $9.99 | **$6.99** |
| Rating | [3.7 (54 ratings)](https://appshunter.io/ios/app/massive-dev-chart-timer/id402405770/reviews) | **[4.2 (6 ratings)](https://appshunter.io/ios/app/myspotmeter/id6789911475/reviews)** |
| Number of ratings | **54** | 6 |
| Positive reviews | 70.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | Paid | Paid |
| Best chart rank | **#44** | #131 |
| Size | 14 MB | 11 MB |
| Requires iOS | **12.0** | 26 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Freestyle Photo & Imaging](https://appshunter.io/developer/1786429988) | [David Quiles](https://appshunter.io/developer/578971109) |

## What reviewers say

### Massive Dev Chart Timer

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

**Currently charting:** #44 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


### mySpotMeter

[App page](https://appshunter.io/ios/app/myspotmeter/id6789911475)

**Currently charting:** #131 Top Paid · Photo & Video (US App Store)

This app transforms your iPhone into a precise spot meter for photographers. It allows for detailed exposure control by measuring specific areas, evaluating contrast, and calculating settings for film or digital photography.

**Highlights:** Selectable 1°, 2°, and 4° spot metering angles, Dedicated readings for shadows, highlights, and middle gray, Aperture or shutter speed priority, Store and compare measurements, Instant aperture calculation, Wide ISO, shutter speed, and aperture ranges

**In-app purchases:** none


## Frequently asked questions

### Is Massive Dev Chart Timer free?

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

### Is mySpotMeter free?

mySpotMeter costs $6.99, with no in-app purchases.

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

mySpotMeter is rated higher. Massive Dev Chart Timer averages 3.7 out of 5 from 54 ratings, while mySpotMeter averages 4.2 from 6 ratings.

### Do Massive Dev Chart Timer or mySpotMeter have ads?

Neither Massive Dev Chart Timer nor mySpotMeter shows ads.

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

Massive Dev Chart Timer ships an update every 5 months, and mySpotMeter every 2 days. Most recently, Massive Dev Chart Timer was updated on October 1, 2026 and mySpotMeter on September 23, 2026.

### Which is more popular, Massive Dev Chart Timer or mySpotMeter?

Massive Dev Chart Timer currently peaks at #44 in the App Store charts, and mySpotMeter at #131. Chart position reflects recent download velocity rather than total install base.

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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.*