# Everspring GSM vs RST Scope

The clearest difference is ads: Everspring GSM at none against RST Scope's shown. Everspring GSM also leads on iOS requirement (12.1 vs 15.6). RST Scope's advantage is update cadence (every 3 days vs every 2 months). 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.

Everspring GSM ships an update every 2 months, RST Scope every 3 days. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Everspring GSM | RST Scope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rst-scope/id1550582276/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Ad-supported |
| Size | 4 MB | 5 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Everspring Inc Co.. Ltd.](https://appshunter.io/developer/574640428) | [koji kamogawa](https://appshunter.io/developer/1488210713) |

## What reviewers say

### Everspring GSM

[App page](https://appshunter.io/ios/app/everspring-gsm/id1104085264)

**In-app purchases:** none


### RST Scope

[App page](https://appshunter.io/ios/app/rst-scope/id1550582276)

This utility app provides spectrum scope and waterfall displays for amateur radio operators. It enhances radios lacking these features by analyzing microphone input, allowing for clear distinction of Morse code and detailed audio frequency visualization.

**Highlights:** Spectrum scope and waterfall display, Morse code distinction via FFT, Adjustable waterfall speed, Adjustable audio input level, Switchable display band (wide/narrow), Display pause function, Recording and playback of input sound

**In-app purchases:** none


## Frequently asked questions

### Is Everspring GSM free?

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

### Is RST Scope free?

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

### Do Everspring GSM or RST Scope have ads?

RST Scope shows ads; Everspring GSM does not.

### Which is updated more often, Everspring GSM or RST Scope?

Everspring GSM ships an update every 2 months, and RST Scope every 3 days. Most recently, Everspring GSM was updated on October 6, 2026 and RST Scope on October 13, 2026.

---

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