RST Scope vs QTH Grid Square Locator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RST Scope
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.
- 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
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This is an app for amateur radio operators with a narrow band of audio frequency, spectrum scope & waterfall display. You can get a rich display by microphone inputting the speaker output of a radio that does not have a spectrum scope or waterfall function. The FFT allows you to distinguish between the dot and dash of Morse code. [function] 1. Ability to change the speed of the waterfall 2. Ability to adjust the level of audio input 3. Function to switch the display band between wide and narrow 4. Display pause function (pause / cancel by touching the screen) 5. Function to switch the cross hatch ON / OFF by longTap 6. Frequency resolution is fixed at 40Hz. 7. Function to switch the USB/LSB by Left/Right Swipe 8.Recording/Playback function of Input Sound RST Scope(Free) https://www.youtube.com/watch?v=1s9RvOFp52g
QTH Grid Square Locator
Calculate your Maidenhead grid locator accurately using your device's GPS. This tool is designed for amateur radio operators, offering real-time calculations and offline functionality for contests and DX communication.
- Real-time GPS location calculation
- Maidenhead grid system support
- Offline functionality
- Interactive map view
- Optimized for amateur radio
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QTH Locator is a practical tool designed for amateur radio operators, allowing them to easily calculate their location using the Maidenhead grid system. This app is specially designed for radio enthusiasts who need precise and reliable results for location calculations. Whether you are participating in a radio contest or engaging in DX communication, QTH Locator provides accurate GPS-based results and works even in offline mode. Main Features: - Real-Time GPS Location Calculation: The app utilizes your device's GPS to accurately determine your Maidenhead grid locator in real time. - Efficient and Accurate: Instantly calculates your grid locator to enhance communication with other radio operators. - Offline Functionality: Calculate your QTH locator even without an internet connection, ideal for remote locations. - Optimized for Amateur Radio Activities: Perfect for radio contests, field operations, and DX communications. - Interactive Map View: Visualize your grid locator directly on an integrated map for an enhanced user experience. About Amateur Radio Amateur radio, also known as ham radio, is a popular hobby where licensed users communicate across various radio frequencies. The QTH locator system plays a vital role in this field, helping operators accurately calculate their position, making it easier to connect with others worldwide, especially during contests and DX activities. Whether you're an experienced operator or a beginner, calculating your QTH location is crucial for effective communication. Download QTH Locator today and enhance your amateur radio experience with accurate and efficient location calculation tools.
Screenshots
Verdict
The clearest difference is ads: QTH Grid Square Locator at none against RST Scope's shown. QTH Grid Square Locator also leads on update cadence (daily vs every 3 days) and monetization model (free vs ad-supported). RST Scope's advantage is iOS requirement (15.6 vs 18.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
RST Scope ships an update every 3 days, QTH Grid Square Locator daily. The most recent releases landed on August 22, 2026 and June 5, 2026 respectively.
| Parameter | RST Scope | QTH Grid Square Locator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 days | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 5 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | koji kamogawa | Ugur Altinsoy |
Customer experience
RST Scope
QTH Grid Square Locator
In-app purchases
RST Scope
No in-app purchases
QTH Grid Square Locator
No in-app purchases
Questions
Is RST Scope free?
Is QTH Grid Square Locator free?
Do RST Scope or QTH Grid Square Locator have ads?
Which is updated more often, RST Scope or QTH Grid Square Locator?
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