# DisparaTimer vs Film Development Assistant

The clearest difference is in-app purchases: DisparaTimer at none against Film Development Assistant's 2. DisparaTimer also leads on update cadence (monthly vs every 10 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Film Development Assistant sells 2 one-off in-app purchases. DisparaTimer asks for nothing beyond the download.

DisparaTimer ships an update monthly, Film Development Assistant every 10 months. The most recent releases landed on June 5, 2026 and August 9, 2026 respectively.

## The numbers

| Metric | DisparaTimer | Film Development Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/film-development-assistant/id6751124070/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 10 months |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 6 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Angel David Rodriguez](https://appshunter.io/developer/1808034419) | [Zachary Burns](https://appshunter.io/developer/1833524304) |

## What reviewers say

### DisparaTimer

[App page](https://appshunter.io/ios/app/disparatimer/id6744536272)

**Features:** macOS Compatibility

**In-app purchases:** none


### Film Development Assistant

[App page](https://appshunter.io/ios/app/film-development-assistant/id6751124070)

This app helps amateur photographers track their film development chemicals and sessions. It monitors chemical batch expiration, usage, and provides multi-stage timers for development processes. Users can also record notes on session quality for future reference.

**Highlights:** Chemical batch tracking, Expiration date monitoring, Session tracking, Multi-stage development timers, Chemical usage calculation, Session notes and quality tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7 Day Free Trial | Free | one-time |
| Film Development Assistant Pro | $4.99 | one-time |


## Frequently asked questions

### Is DisparaTimer free?

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

### Is Film Development Assistant free?

Film Development Assistant is free to download, with in-app purchases available.

### Do DisparaTimer or Film Development Assistant have ads?

Neither DisparaTimer nor Film Development Assistant shows ads.

### Which is updated more often, DisparaTimer or Film Development Assistant?

DisparaTimer ships an update monthly, and Film Development Assistant every 10 months. Most recently, DisparaTimer was updated on June 5, 2026 and Film Development Assistant on August 9, 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.*