# Silverlog Reciprocity vs ReciproMeter

The clearest difference is update cadence: Silverlog Reciprocity at every 5 days against ReciproMeter's fortnightly. Silverlog Reciprocity also leads on iOS requirement (16.4 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Silverlog Reciprocity sells 5 one-off in-app purchases and ReciproMeter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Silverlog Reciprocity ships an update every 5 days, ReciproMeter fortnightly. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Silverlog Reciprocity | ReciproMeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/reciprometer/id6762144582/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 13 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Simon Westgate](https://appshunter.io/developer/1856537803) | [Paul Frederiksen](https://appshunter.io/developer/1081080311) |

## What reviewers say

### Silverlog Reciprocity

[App page](https://appshunter.io/ios/app/silverlog-reciprocity/id6756740671)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nice One | $0.99 | one-time |
| Legend | $2.99 | one-time |
| Absolute Hero | $4.99 | one-time |
| Guardian Angel | $9.99 | one-time |
| Actual Saint | $29.99 | one-time |


### ReciproMeter

[App page](https://appshunter.io/ios/app/reciprometer/id6762144582)

This app assists film photographers with accurate long-exposure calculations. It uses your device's camera to read exposure data, then provides shutter speed recommendations with reciprocity correction based on film stock and aperture. It offers official manufacturer data, community guidance, and experimental estimates.

**Highlights:** Live camera metering, Reciprocity correction, Built-in film library, Community-sourced data, Bulb timer, Exposure lock

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Forever | $4.99 | one-time |


## Frequently asked questions

### Is Silverlog Reciprocity free?

Silverlog Reciprocity is free to download, with in-app purchases available.

### Is ReciproMeter free?

ReciproMeter is free to download, with in-app purchases available.

### Do Silverlog Reciprocity or ReciproMeter have ads?

Neither Silverlog Reciprocity nor ReciproMeter shows ads.

### Which is updated more often, Silverlog Reciprocity or ReciproMeter?

Silverlog Reciprocity ships an update every 5 days, and ReciproMeter fortnightly. Most recently, Silverlog Reciprocity was updated on October 20, 2026 and ReciproMeter on October 25, 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.*