# Reciprocity Timer vs Light Meter Wheel

The clearest difference is review sentiment: Light Meter Wheel at 91% against Reciprocity Timer's 33%. Light Meter Wheel also leads on rating (4.7 vs 2.5) and in-app purchases (none vs 1). Reciprocity Timer's advantage is iOS requirement (12.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Reciprocity Timer costs $1.99 and Light Meter Wheel $1.99 up front. Reciprocity Timer sells 1 one-off in-app purchase. Light Meter Wheel asks for nothing beyond the download.

Light Meter Wheel holds the better App Store score, 4.7 against 2.5. Both are backed by a comparable volume of ratings — 4 and 12 respectively. Written reviews point the same way: 33% of Reciprocity Timer's written reviews are positive against 91% of Light Meter Wheel's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Reciprocity Timer | Light Meter Wheel |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | [2.5 (4 ratings)](https://appshunter.io/ios/app/reciprocity-timer/id459691262/reviews) | **[4.7 (12 ratings)](https://appshunter.io/ios/app/light-meter-wheel/id720707253/reviews)** |
| Number of ratings | 4 | **12** |
| Positive reviews | 33.3% of reviews | **91.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 4 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| 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)

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 |


### Light Meter Wheel

[App page](https://appshunter.io/ios/app/light-meter-wheel/id720707253)

This app offers a fast, visual, and precise way to measure light for photography. It features a unique exposure wheel that displays aperture, shutter speed, and ISO simultaneously, giving photographers instant control and clarity.

**Highlights:** Real exposure wheel with all values in one view, Real-time metering with instant EV readings, Wide ISO and shutter speed range, Exposure timer for long exposures, Incident metering using front camera, Calibration for accuracy

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Reciprocity Timer free?

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

### Is Light Meter Wheel free?

Light Meter Wheel costs $1.99, with no in-app purchases.

### Which has better reviews, Reciprocity Timer or Light Meter Wheel?

Light Meter Wheel is rated higher. Reciprocity Timer averages 2.5 out of 5 from 4 ratings, while Light Meter Wheel averages 4.7 from 12 ratings.

### Do Reciprocity Timer or Light Meter Wheel have ads?

Neither Reciprocity Timer nor Light Meter Wheel shows ads.

### Which is updated more often, Reciprocity Timer or Light Meter Wheel?

Reciprocity Timer ships an update every 2 months, and Light Meter Wheel every 2 months. Most recently, Reciprocity Timer was updated on September 30, 2026 and Light Meter Wheel on October 3, 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.*