# Reciprocity Timer vs TimerGlass

The clearest difference is in-app purchases: TimerGlass at none against Reciprocity Timer's 1. TimerGlass also leads on update cadence (fortnightly vs every 2 months). Reciprocity Timer's advantage is price ($1.99 vs $7.99) and chart position (#147 vs unranked). On ads and device support there is nothing between them.

Reciprocity Timer costs $1.99 and TimerGlass $7.99 up front. Reciprocity Timer sells 1 one-off in-app purchase. TimerGlass asks for nothing beyond the download.

Reciprocity Timer ships an update every 2 months, TimerGlass fortnightly. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Reciprocity Timer | TimerGlass |
| --- | --- | --- |
| Price | **$1.99** | $7.99 |
| Rating | **[2.5 (4 ratings)](https://appshunter.io/ios/app/reciprocity-timer/id459691262/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#147** | — |
| Size | 28 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pump Interactive](https://appshunter.io/developer/459691265) | [存滨 崔](https://appshunter.io/developer/1809703940) |

## What reviewers say

### Reciprocity Timer

[App page](https://appshunter.io/ios/app/reciprocity-timer/id459691262)

**Currently charting:** #147 Top Paid · Photo & Video (US App Store)

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 |


### TimerGlass

[App page](https://appshunter.io/ios/app/timerglass/id6761681913)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reciprocity Timer free?

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

### Is TimerGlass free?

TimerGlass costs $7.99, with no in-app purchases.

### Do Reciprocity Timer or TimerGlass have ads?

Neither Reciprocity Timer nor TimerGlass shows ads.

### Which is updated more often, Reciprocity Timer or TimerGlass?

Reciprocity Timer ships an update every 2 months, and TimerGlass fortnightly. Most recently, Reciprocity Timer was updated on October 8, 2026 and TimerGlass on September 30, 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.*