# STORADIO vs Graph Calc Plus

The clearest difference is price: STORADIO at Free against Graph Calc Plus's $2.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

STORADIO is free to download; Graph Calc Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

STORADIO ships an update every 43 months, Graph Calc Plus every 39 months. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | STORADIO | Graph Calc Plus |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/storadio/id1454770530/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 39 months** |
| Monetization | Free | — |
| Size | 23 MB | 1 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STORADIO AERO AB](https://appshunter.io/developer/1454770529) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### STORADIO

[App page](https://appshunter.io/ios/app/storadio/id1454770530)

This application provides pilots and dispatchers with essential information to find the correct frequency for reaching STORADIO. It offers up-to-date propagation charts and tactical assistance, with online updates ensuring the latest data is available before going offline.

**Highlights:** Frequency finder for STORADIO, Up-to-date propagation charts, Tactical assistance, Online information updates, Designed for pilots and dispatchers

**Features:** macOS Compatibility

**In-app purchases:** none


### Graph Calc Plus

[App page](https://appshunter.io/ios/app/graph-calc-plus/id1612916130)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STORADIO free?

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

### Is Graph Calc Plus free?

Graph Calc Plus costs $2.99, with no in-app purchases.

### Do STORADIO or Graph Calc Plus have ads?

Neither STORADIO nor Graph Calc Plus shows ads.

### Which is updated more often, STORADIO or Graph Calc Plus?

STORADIO ships an update every 43 months, and Graph Calc Plus every 39 months. Most recently, STORADIO was updated on October 3, 2026 and Graph Calc Plus on October 7, 2026.

---

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