# Long Camera Exposure Calc... vs OpenBioMaps Forms

The clearest difference is in-app purchases: OpenBioMaps Forms at none against Long Camera Exposure Calc...'s 1. OpenBioMaps Forms also leads on update cadence (weekly vs monthly). Long Camera Exposure Calc...'s advantage is iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Long Camera Exposure Calc... sells 1 one-off in-app purchase. OpenBioMaps Forms asks for nothing beyond the download.

Long Camera Exposure Calc... ships an update monthly, OpenBioMaps Forms weekly. The most recent releases landed on September 8, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Long Camera Exposure Calc... | OpenBioMaps Forms |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/long-camera-exposure-calc/id6474231152/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 45 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) | [ECOLLAB](https://appshunter.io/developer/1777494456) |

## What reviewers say

### Long Camera Exposure Calc...

[App page](https://appshunter.io/ios/app/long-camera-exposure-calc/id6474231152)

This tool helps photographers calculate optimal camera settings for well-exposed images. It assists in balancing aperture, shutter speed, and ISO for creative control and efficiency in various lighting conditions.

**Highlights:** Optimal exposure calculation, Balances aperture, shutter speed, ISO, Creative control over image, Adaptable to lighting conditions, Learning tool for beginners, Bracketing assistance

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Premium! | $4.99 | one-time |


### OpenBioMaps Forms

[App page](https://appshunter.io/ios/app/openbiomaps-forms/id6737706732)

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

**In-app purchases:** none


## Frequently asked questions

### Is Long Camera Exposure Calc... free?

Long Camera Exposure Calc... is free to download, with in-app purchases available.

### Is OpenBioMaps Forms free?

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

### Do Long Camera Exposure Calc... or OpenBioMaps Forms have ads?

Neither Long Camera Exposure Calc... nor OpenBioMaps Forms shows ads.

### Which is updated more often, Long Camera Exposure Calc... or OpenBioMaps Forms?

Long Camera Exposure Calc... ships an update monthly, and OpenBioMaps Forms weekly. Most recently, Long Camera Exposure Calc... was updated on September 8, 2026 and OpenBioMaps Forms on September 29, 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.*