# CalcuLight vs DiveCamera

The clearest difference is in-app purchases: DiveCamera at none against CalcuLight's 2. CalcuLight's advantage is ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. CalcuLight sells 2 in-app purchases, starting at $0.99 per month. DiveCamera asks for nothing beyond the download.

CalcuLight ships an update monthly, DiveCamera fortnightly. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | CalcuLight | DiveCamera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calculight/id6758964459/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Freemium | — |
| Size | 40 MB | 38 MB |
| Requires iOS | **15.1** | 27.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Li Fan](https://appshunter.io/developer/1876047115) | [taejong kang](https://appshunter.io/developer/1724539456) |

## What reviewers say

### CalcuLight

[App page](https://appshunter.io/ios/app/calculight/id6758964459)

This app provides advanced light metering for film photographers, offering multiple metering modes and exposure control options. It helps users achieve precise exposures for their shots, with features like Zone System display and a log book for tracking. A free version is available, with an optional Pro upgrade for more advanced tools.

**Highlights:** Center Weighted metering, 3D Matrix metering, Spot metering (Pro), Calculated metering (Pro), Shutter Priority metering, Aperture Priority metering (Pro), Zone System overlay (Pro), Log book with GPS (Pro)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcuLight | $0.99 | per month |
| CalcuLight | $14.99 | one-time |


### DiveCamera

[App page](https://appshunter.io/ios/app/divecamera-underwater-camera/id6816644377)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CalcuLight free?

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

### Is DiveCamera free?

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

### Do CalcuLight or DiveCamera have ads?

DiveCamera shows ads; CalcuLight does not.

### Which is updated more often, CalcuLight or DiveCamera?

CalcuLight ships an update monthly, and DiveCamera fortnightly. Most recently, CalcuLight was updated on October 31, 2026 and DiveCamera on November 6, 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.*