# CalcuLight vs Rake Plus

The clearest difference is in-app purchases: Rake Plus at none against CalcuLight's 2. Rake Plus also leads on update cadence (every 8 days vs every 4 weeks). CalcuLight's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

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

CalcuLight ships an update every 4 weeks, Rake Plus every 8 days. Both last shipped on October 7, 2026.

## The numbers

| Metric | CalcuLight | Rake Plus |
| --- | --- | --- |
| 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 | No |
| Update frequency | Every 4 weeks | **Every 8 days** |
| Monetization | Freemium | — |
| Size | 40 MB | 53 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Li Fan](https://appshunter.io/developer/1876047115) | [Pablo Miranda](https://appshunter.io/developer/821775028) |

## 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 |


### Rake Plus

[App page](https://appshunter.io/ios/app/rake-plus-relight-and-refocus/id6811641224)

**Features:** Family Sharing

**In-app purchases:** none


## Frequently asked questions

### Is CalcuLight free?

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

### Is Rake Plus free?

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

### Do CalcuLight or Rake Plus have ads?

Neither CalcuLight nor Rake Plus shows ads.

### Which is updated more often, CalcuLight or Rake Plus?

CalcuLight ships an update every 4 weeks, and Rake Plus every 8 days. Most recently, CalcuLight was updated on October 7, 2026 and Rake Plus on October 7, 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.*