# GhostOSC vs LightCalc.io

The clearest difference is in-app purchases: GhostOSC at none against LightCalc.io's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. LightCalc.io sells 1 in-app purchase, starting at $34.99 per year. GhostOSC asks for nothing beyond the download.

GhostOSC ships an update every 2 weeks, LightCalc.io every 3 weeks. The most recent releases landed on October 1, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | GhostOSC | LightCalc.io |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 4 MB | 48 MB |
| Requires iOS | 18.2 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Electric Eye AB](https://appshunter.io/developer/1799563919) | [Matthias Streicher-Feldhofer](https://appshunter.io/developer/1896729345) |

## What reviewers say

### GhostOSC

[App page](https://appshunter.io/ios/app/ghostosc/id6753625323)

**Features:** macOS Compatibility

**In-app purchases:** none


### LightCalc.io

[App page](https://appshunter.io/ios/app/lightcalcio/id6770274311)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LightCalc Plus | $34.99 | per year |


## Frequently asked questions

### Is GhostOSC free?

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

### Is LightCalc.io free?

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

### Do GhostOSC or LightCalc.io have ads?

Neither GhostOSC nor LightCalc.io shows ads.

### Which is updated more often, GhostOSC or LightCalc.io?

GhostOSC ships an update every 2 weeks, and LightCalc.io every 3 weeks. Most recently, GhostOSC was updated on October 1, 2026 and LightCalc.io on October 16, 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.*