# Reciprocity Timer vs Dev it

The clearest difference is price: Dev it at Free against Reciprocity Timer's $1.99. Dev it also leads on rating (3.0 vs 2.5) and in-app purchases (none vs 1). Reciprocity Timer's advantage is chart position (#94 vs unranked). On ratings volume, ads and device support there is nothing between them.

Dev it is free to download; Reciprocity Timer costs $1.99 up front. Reciprocity Timer sells 1 one-off in-app purchase. Dev it asks for nothing beyond the download.

Dev it holds the better App Store score, 3.0 against 2.5. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 33% of Reciprocity Timer's written reviews are positive against 63% of Dev it's.

Reciprocity Timer ships an update every 2 months, Dev it every 3 weeks. The most recent releases landed on September 25, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Reciprocity Timer | Dev it |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [2.5 (4 ratings)](https://appshunter.io/ios/app/reciprocity-timer/id459691262/reviews) | **[3.0 (3 ratings)](https://appshunter.io/ios/app/dev-it-darkroom-timer/id1018458471/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 33.3% of reviews | **62.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#94** | — |
| Size | 28 MB | 7 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pump Interactive](https://appshunter.io/developer/459691265) | [Dario Marcucci](https://appshunter.io/developer/1018458453) |

## What reviewers say

### Reciprocity Timer

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

**Currently charting:** #94 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 |


### Dev it

[App page](https://appshunter.io/ios/app/dev-it-darkroom-timer/id1018458471)

This app assists with analog film development by providing a database of film and developer combinations, customizable timers, and the ability to share and rate user-created recipes. Users can also create their own unique development formulas and agitation patterns.

**Highlights:** Film/developer combination database, Create custom combinations, Share and rate user recipes, Configurable timer, Time/temperature variations, Custom agitation schemas

**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 Dev it free?

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

### Which has better reviews, Reciprocity Timer or Dev it?

Dev it is rated higher. Reciprocity Timer averages 2.5 out of 5 from 4 ratings, while Dev it averages 3.0 from 3 ratings.

### Do Reciprocity Timer or Dev it have ads?

Neither Reciprocity Timer nor Dev it shows ads.

### Which is updated more often, Reciprocity Timer or Dev it?

Reciprocity Timer ships an update every 2 months, and Dev it every 3 weeks. Most recently, Reciprocity Timer was updated on September 25, 2026 and Dev it on September 14, 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.*