# ReciproMeter vs Airtime

The clearest difference is in-app purchases: Airtime at none against ReciproMeter's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ReciproMeter sells 1 one-off in-app purchase. Airtime asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. Both last shipped on October 25, 2026.

## The numbers

| Metric | ReciproMeter | Airtime |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 1 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Paul Frederiksen](https://appshunter.io/developer/1081080311) | [FinMaster d.o.o.](https://appshunter.io/developer/1535168939) |

## What reviewers say

### 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 |


### Airtime

[App page](https://appshunter.io/ios/app/airtime-replay-camera/id6781405951)

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

**In-app purchases:** none


## Frequently asked questions

### Is ReciproMeter free?

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

### Is Airtime free?

Airtime is free to download, with no in-app purchases.

### Do ReciproMeter or Airtime have ads?

Neither ReciproMeter nor Airtime shows ads.

### Which is updated more often, ReciproMeter or Airtime?

ReciproMeter ships an update fortnightly, and Airtime fortnightly. Most recently, ReciproMeter was updated on October 25, 2026 and Airtime 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.*