# Reciprocity Timer vs myLightMeter PRO

The clearest difference is review sentiment: myLightMeter PRO at 90% against Reciprocity Timer's 33%. myLightMeter PRO also leads on rating (4.8 vs 2.5) and in-app purchases (none vs 1). Reciprocity Timer's advantage is price ($1.99 vs $4.99) and device support (3 vs 1). On ads there is nothing between them.

Reciprocity Timer costs $1.99 and myLightMeter PRO $4.99 up front. Reciprocity Timer sells 1 one-off in-app purchase. myLightMeter PRO asks for nothing beyond the download.

myLightMeter PRO holds the better App Store score, 4.8 against 2.5. That said, the two scores are not equally well evidenced: myLightMeter PRO has 1.1K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 33% of Reciprocity Timer's written reviews are positive against 90% of myLightMeter PRO's.

Reciprocity Timer ships an update every 2 months, myLightMeter PRO every 5 days. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Reciprocity Timer | myLightMeter PRO |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | [2.5 (4 ratings)](https://appshunter.io/ios/app/reciprocity-timer/id459691262/reviews) | **[4.8 (1.1K ratings)](https://appshunter.io/ios/app/mylightmeter-pro/id583922375/reviews)** |
| Number of ratings | 4 | **1.1K** |
| Positive reviews | 33.3% of reviews | **90.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | #162 | **#12** |
| Size | 28 MB | 53 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pump Interactive](https://appshunter.io/developer/459691265) | [David Quiles](https://appshunter.io/developer/578971109) |

## What reviewers say

### Reciprocity Timer

[App page](https://appshunter.io/ios/app/reciprocity-timer/id459691262)

**Currently charting:** #162 Top Paid · Photo & Video (US App Store)

This app helps film photographers calculate exposure compensation for reciprocity failure. It offers a standard version for basic calculations and a pro version with advanced features like note-taking and custom film databases. It also includes an exposure timer and filter compensation tools.

**Highlights:** Reciprocity compensation calculations, Exposure timer, Filter compensation slider, Note-keeping feature, Custom film and camera databases, Film stock favorites

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reciprocity Timer Pro | $9.99 | one-time |


### myLightMeter PRO

[App page](https://appshunter.io/ios/app/mylightmeter-pro/id583922375)

**Currently charting:** #12 Top Paid · Photo & Video, #119 Top Paid (US App Store)

This app provides precise exposure metering for photographers, supporting both digital and analog workflows. It offers a comprehensive set of manual controls and advanced tools like a hyperfocal distance calculator.

**Highlights:** Extended low-light sensitivity, Incident and reflected metering, Manual exposure control, Hyperfocal distance calculator, Save and review exposure data, Extract exposure data from photos

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate and reliable
- 👍 Convenient and easy to use
- 🔍 Useful for vintage/manual cameras
- 💡 Helpful for learning photography
- ⭐ Excellent value for money

**What reviewers complain about**

- 🐛 Crashes and bugs in recent versions
- 🔍 Spot metering mode not precise enough
- 🔧 Needs more customization options
- 🔋 Volume control issues

**Reported bugs**

- Crashes on startup
- Inconsistent behavior between free and pro versions
- Incorrect shutter speed and aperture options for some cameras

**Requested features**

- Ability to lock shutter speed and aperture
- Smaller spot metering area
- Support for more film/sensor formats
- Improved incident metering with diffuser


## Frequently asked questions

### Is Reciprocity Timer free?

Reciprocity Timer costs $1.99, and also offers in-app purchases.

### Is myLightMeter PRO free?

myLightMeter PRO costs $4.99, with no in-app purchases.

### Which has better reviews, Reciprocity Timer or myLightMeter PRO?

myLightMeter PRO is rated higher. Reciprocity Timer averages 2.5 out of 5 from 4 ratings, while myLightMeter PRO averages 4.8 from 1.1K ratings.

### Do Reciprocity Timer or myLightMeter PRO have ads?

Neither Reciprocity Timer nor myLightMeter PRO shows ads.

### Which is updated more often, Reciprocity Timer or myLightMeter PRO?

Reciprocity Timer ships an update every 2 months, and myLightMeter PRO every 5 days. Most recently, Reciprocity Timer was updated on October 13, 2026 and myLightMeter PRO on October 12, 2026.

### Which is more popular, Reciprocity Timer or myLightMeter PRO?

Reciprocity Timer currently peaks at #162 in the App Store charts, and myLightMeter PRO at #12. 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.*