# Reciprocity Plus vs ProFilm Meter

The clearest difference is price: Reciprocity Plus at $1.99 against ProFilm Meter's $14.99. Reciprocity Plus also leads on ratings volume (7 vs 1). ProFilm Meter's advantage is rating (5.0 vs 4.1) and update cadence (weekly vs every 4 months). On ads, in-app purchases, monetization model and chart position there is nothing between them.

Reciprocity Plus costs $1.99 and ProFilm Meter $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ProFilm Meter holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Reciprocity Plus has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 73% of Reciprocity Plus's written reviews are positive against 100% of ProFilm Meter's.

Reciprocity Plus ships an update every 4 months, ProFilm Meter weekly. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Reciprocity Plus | ProFilm Meter |
| --- | --- | --- |
| Price | **$1.99** | $14.99 |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/reciprocity-plus/id898649178/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/profilm-meter/id6761498714/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 72.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Paid | Paid |
| Best chart rank | #199 | **#166** |
| Size | 8 MB | 57 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Le bord de la piscine](https://appshunter.io/developer/456593417) | [Scott Henderson](https://appshunter.io/developer/1889935226) |

## What reviewers say

### Reciprocity Plus

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

**Currently charting:** #199 Top Paid · Photo & Video (US App Store)

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


### ProFilm Meter

[App page](https://appshunter.io/ios/app/profilm-meter/id6761498714)

**Currently charting:** #166 Top Paid · Photo & Video (US App Store)

This app acts as a comprehensive light meter and exposure toolkit for film photographers. It supports various film formats and calculates complex exposure adjustments like reciprocity failure and bellows compensation. Features include real-time metering, film stock libraries, and flash metering.

**Highlights:** Precision reflected-light meter, On-device film stock library, Reciprocity failure correction, Bellows compensation calculation, RA4 Color Reversal estimates, Flash metering and trigger, Lens-independent viewfinder zoom

**In-app purchases:** none


## Frequently asked questions

### Is Reciprocity Plus free?

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

### Is ProFilm Meter free?

ProFilm Meter costs $14.99, with no in-app purchases.

### Which has better reviews, Reciprocity Plus or ProFilm Meter?

ProFilm Meter is rated higher. Reciprocity Plus averages 4.1 out of 5 from 7 ratings, while ProFilm Meter averages 5.0 from 1 ratings.

### Do Reciprocity Plus or ProFilm Meter have ads?

Neither Reciprocity Plus nor ProFilm Meter shows ads.

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

Reciprocity Plus ships an update every 4 months, and ProFilm Meter weekly. Most recently, Reciprocity Plus was updated on October 14, 2026 and ProFilm Meter on October 2, 2026.

### Which is more popular, Reciprocity Plus or ProFilm Meter?

Reciprocity Plus currently peaks at #199 in the App Store charts, and ProFilm Meter at #166. 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.*