# RST Scope vs BetterCallGuard

The clearest difference is price: RST Scope at Free against BetterCallGuard's $0.99. RST Scope also leads on update cadence (every 3 days vs every 6 weeks). BetterCallGuard's advantage is ads (none vs shown). On rating, ratings volume, in-app purchases and device support there is nothing between them.

RST Scope is free to download; BetterCallGuard costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for RST Scope against 5.0 for BetterCallGuard. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

RST Scope ships an update every 3 days, BetterCallGuard every 6 weeks. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | RST Scope | BetterCallGuard |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/rst-scope/id1550582276/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/bettercallguard/id6737252351/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Monetization | **Ad-supported** | Paid |
| Size | 5 MB | 24 MB |
| Requires iOS | 15.6 | **14** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [koji kamogawa](https://appshunter.io/developer/1488210713) | [Qingdao Chuyan Technology Co., Ltd](https://appshunter.io/developer/1450752232) |

## What reviewers say

### 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


### BetterCallGuard

[App page](https://appshunter.io/ios/app/bettercallguard/id6737252351)

Block unwanted promotional and spam calls efficiently. This app uses smart algorithms to block calls in bulk by number segments without tracking your private data, ensuring your privacy and peace of mind.

**Highlights:** Block promotional/spam calls, Bulk blocking by number segments, Whitelist specific numbers, iCloud synchronization, User data and privacy security

**In-app purchases:** none


## Frequently asked questions

### Is RST Scope free?

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

### Is BetterCallGuard free?

BetterCallGuard costs $0.99, with no in-app purchases.

### Which has better reviews, RST Scope or BetterCallGuard?

RST Scope and BetterCallGuard are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do RST Scope or BetterCallGuard have ads?

RST Scope shows ads; BetterCallGuard does not.

### Which is updated more often, RST Scope or BetterCallGuard?

RST Scope ships an update every 3 days, and BetterCallGuard every 6 weeks. Most recently, RST Scope was updated on October 13, 2026 and BetterCallGuard on October 9, 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.*