# Light Planner vs Star Exposure Calculator

The clearest difference is ads: Light Planner at none against Star Exposure Calculator's shown. Star Exposure Calculator's advantage is update cadence (every 2 weeks vs every 15 months) and iOS requirement (13.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Light Planner ships an update every 15 months, Star Exposure Calculator every 2 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Light Planner | Star Exposure Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Every 2 weeks** |
| Size | 6 MB | 25 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Carlos Morgado Alarcon](https://appshunter.io/developer/1739332671) | [Dejan Boras](https://appshunter.io/developer/1612985659) |

## What reviewers say

### Light Planner

[App page](https://appshunter.io/ios/app/light-planner/id6480509659)

**In-app purchases:** none


### Star Exposure Calculator

[App page](https://appshunter.io/ios/app/star-exposure-calculator/id6670283794)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Light Planner free?

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

### Is Star Exposure Calculator free?

Star Exposure Calculator is free to download, with no in-app purchases.

### Do Light Planner or Star Exposure Calculator have ads?

Star Exposure Calculator shows ads; Light Planner does not.

### Which is updated more often, Light Planner or Star Exposure Calculator?

Light Planner ships an update every 15 months, and Star Exposure Calculator every 2 weeks. Most recently, Light Planner was updated on October 24, 2026 and Star Exposure Calculator on October 27, 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.*