# Reciprocity Plus vs Spot Meter Pro

The clearest difference is rating: Spot Meter Pro at 4.5 against Reciprocity Plus's 4.1. Spot Meter Pro also leads on update cadence (every 2 months vs every 4 months) and ratings volume (22 vs 7). Reciprocity Plus's advantage is price ($1.99 vs $4.99). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

Reciprocity Plus costs $1.99 and Spot Meter Pro $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Spot Meter Pro holds the better App Store score, 4.5 against 4.1. Both are backed by a comparable volume of ratings — 7 and 22 respectively. Written reviews complicate that: 73% of Reciprocity Plus's written reviews are positive against 67% of Spot Meter Pro's, so the app with the better star average is not the one people write more warmly about.

Reciprocity Plus ships an update every 4 months, Spot Meter Pro every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Reciprocity Plus | Spot Meter Pro |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/reciprocity-plus/id898649178/reviews) | **[4.5 (22 ratings)](https://appshunter.io/ios/app/spot-meter-pro/id1558581037/reviews)** |
| Number of ratings | 7 | **22** |
| Positive reviews | **72.7% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 8 MB | 75 MB |
| Requires iOS | 15.6 | **14.4** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Le bord de la piscine](https://appshunter.io/developer/456593417) | [Tebo Labs Inc.](https://appshunter.io/developer/1444921808) |

## What reviewers say

### Reciprocity Plus

[App page](https://appshunter.io/ios/app/reciprocity-plus/id898649178)

This app simplifies long exposure photography calculations for both digital and analog cameras. It includes a vast library of filter effects and reciprocity charts, allowing users to design or modify their own. A built-in timer ensures accurate exposure timing even when the app is not in use.

**Highlights:** Long exposure calculation, 29 filter effects (CTO, CTB, ND, etc.), 110+ reciprocity charts, Customizable chart design, Built-in timer, Support for digital and analog photography

**Features:** Vision Pro support

**In-app purchases:** none


### Spot Meter Pro

[App page](https://appshunter.io/ios/app/spot-meter-pro/id1558581037)

This app functions as a professional light meter for film photography, measuring light within a 2° angle of view. It offers customizable settings for aperture, shutter speed, and film speed, along with logging capabilities for readings.

**Highlights:** 2° FOV light metering, Av and Tv priority modes, Zone System and Tone Picker metering, Customizable increments and range, Log readings, 1° FOV with telephoto lens, Meter calibration

**In-app purchases:** none


## Frequently asked questions

### Is Reciprocity Plus free?

Reciprocity Plus costs $1.99, with no in-app purchases.

### Is Spot Meter Pro free?

Spot Meter Pro costs $4.99, with no in-app purchases.

### Which has better reviews, Reciprocity Plus or Spot Meter Pro?

Spot Meter Pro is rated higher. Reciprocity Plus averages 4.1 out of 5 from 7 ratings, while Spot Meter Pro averages 4.5 from 22 ratings.

### Do Reciprocity Plus or Spot Meter Pro have ads?

Neither Reciprocity Plus nor Spot Meter Pro shows ads.

### Which is updated more often, Reciprocity Plus or Spot Meter Pro?

Reciprocity Plus ships an update every 4 months, and Spot Meter Pro every 2 months. Most recently, Reciprocity Plus was updated on November 6, 2026 and Spot Meter Pro on November 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.*