# CalcuLight vs Apperture

CalcuLight and Apperture are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. CalcuLight sells 2 in-app purchases, starting at $0.99 per month and Apperture sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CalcuLight ships an update monthly, Apperture every 6 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | CalcuLight | Apperture |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calculight/id6758964459/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Freemium | — |
| Size | 40 MB | 48 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Li Fan](https://appshunter.io/developer/1876047115) | [Eduardo Egger Desfontaine](https://appshunter.io/developer/1890705596) |

## 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 |


### Apperture

[App page](https://appshunter.io/ios/app/apperture-film-simulation/id6761656883)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Apperture Premium | $12.99 | one-time |


## Frequently asked questions

### Is CalcuLight free?

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

### Is Apperture free?

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

### Do CalcuLight or Apperture have ads?

Neither CalcuLight nor Apperture shows ads.

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

CalcuLight ships an update monthly, and Apperture every 6 weeks. Most recently, CalcuLight was updated on October 31, 2026 and Apperture on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*