Electio Midstream vs CoronaSDR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Electio Midstream
This application is designed for Oil and Gas midstream operators to streamline operations and cut costs. It offers efficient data entry capabilities, including offline support, to enhance productivity in the field.
- Reduce operating expenses
- Improve efficiency
- Data entry
- Offline support
- Purpose-built for midstream operators
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Electio Midstream is a purpose-built app for Oil and Gas midstream operators to reduce operating expenses and improve efficiency. Key features include: - data entry with offline support Please note: this app requires an existing Electio account.
CoronaSDR
This application allows users to connect to and control RTL-SDR servers on their local network. It provides live spectrum and waterfall displays, various demodulation modes, and DSP controls for audio filtering and signal tuning. Users can save favorite stations and adjust RF settings.
- Live spectrum and waterfall display
- Multiple demodulation modes (AM, NFM, WFM, USB, LSB, CW)
- DSP controls (squelch, AGC, filters)
- Station favorites with import/export
- RF controls (PPM, tuner options)
- Diagnostics and performance pipeline
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CoronaSDR is an iOS app for listening to rtl_tcp SDR servers over your local network. Key features: - Live spectrum and waterfall rendering - Demodulation modes: AM, NFM, WFM, USB, LSB, CW - DSP controls: squelch, AGC, audio filters, de-emphasis - Station favorites with import/export - RF controls such as PPM and tuner options (hardware/server dependent) - Diagnostics and a performance-focused pipeline No account is required. Set your rtl_tcp host and port, connect, and tune. Built by Silviu YO6SAY for the radio community.
Screenshots
Verdict
The clearest difference is ratings volume: CoronaSDR at 5 against Electio Midstream's 1. Electio Midstream's advantage is iOS requirement (15.1 vs 18.0). On price, rating, update cadence and ads 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.
On the App Store both sit at effectively the same score — 5.0 for Electio Midstream against 5.0 for CoronaSDR. That said, the two scores are not equally well evidenced: CoronaSDR has 5 ratings behind it against 1, so its average is the more settled of the two.
Electio Midstream ships an update monthly, CoronaSDR every 3 weeks. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.
| Parameter | Electio Midstream | CoronaSDR |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (5 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 5 — better |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 33 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Electio | Alien Systems S.R.L. |
Customer experience
Electio Midstream
CoronaSDR
In-app purchases
Electio Midstream
No in-app purchases
CoronaSDR
No in-app purchases
