RST Scope vs 705 Remote
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
Read full descriptionHide full description
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
705 Remote
Control your IC-705 radio remotely via Bluetooth. Adjust bands, modes, filters, and audio gain. Change frequencies using the dial and monitor signal strength.
- Band switching
- Mode switching
- Filter switching
- AF Gain control
- Frequency change via dial
- S-meter display
Read full descriptionHide full description
This is an unofficial app for remote control of the IC-705 via Bluetooth. Function - Band switching - Mode switching - Filter switching - AF Gain, Squelch control - Frequency change by dialing - S-meter display - Step switching for frequency change - Switching the destination CI-V address Tips. - Change frequency if you tap dial (left / right, up / down). - Change frequency while you tap and hold dial (left / right, up / down) Other - We are not responsible for any damage caused by the use of this application.
Screenshots
Verdict
The clearest difference is rating: RST Scope at 5.0 against 705 Remote's 3.5. RST Scope also leads on update cadence (every 3 days vs weekly). 705 Remote's advantage is ads (none vs shown) and ratings volume (21 vs 1). 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 holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: 705 Remote has 21 ratings behind it against 1, so its average is the more settled of the two.
RST Scope ships an update every 3 days, 705 Remote weekly. The most recent releases landed on October 13, 2026 and October 22, 2026 respectively.
| Parameter | RST Scope | 705 Remote |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.5 (21 ratings) |
| Positive reviews | — | 64.0% of reviews |
| Number of ratings | 1 | 21 — better |
| Update frequency | Every 3 days — better | Weekly |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPod, Apple Watch — better |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | koji kamogawa | Michihiro Ikeda |
Customer experience
RST Scope
705 Remote
In-app purchases
RST Scope
No in-app purchases
705 Remote
No in-app purchases
