Comparison

K3iNetwork vs K4 Control for Elecraft K4

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

K3iNetwork

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K3iNetwork provides remote control of the Elecraft K3, K3S, KX3 or KX2 radios via a WiFi network and PC or Mac connected to the radio serial port. The user can control many functions of the K3, K3S, KX3 or KX2 radio using their iPhone. CW, RTTY and PSK31 QSOs are possible. The user can watch text from the radio VFO B window stream to their iPhone in the Terminal window, and send CW, RTTY, or PSK, as appropriate, in response. K3iNetwork has windows patterned after the Command Tester and Terminal windows of the Elecraft K3 Utility program. It provides similar functionality, and it can all be accomplished remotely using the iPhone. Once the user establishes communication with the K3, K3S, KX3 or KX2 via a WiFi network the iPhone is used to control the radio.

About

K4 Control for Elecraft K4

Control your Elecraft K4 transceiver remotely from your iPad. Operate locally or over the internet, with integrated digital modes, logging, and advanced visual features.

Highlights
  • Full remote transceiver control
  • Integrated digital modes (FT8, FT4, CW, SSTV)
  • Comprehensive logbook with ADIF support
  • Dual VFO and waterfall displays
  • DX-Cluster integration and alerts
  • Visual band mapping and callsign data
Read full description

K4 Control for Elecraft K4 is an innovative Software Defined Radio (SDR) client designed specifically for iPad users, allowing comprehensive control and operation of the Elecraft K4 transceiver. Developed to maximize the capabilities of the K4, this app is your gateway to operating your transceiver seamlessly, both locally and remotely via the internet. KEY FEATURES ■ Full Control Anywhere: Operate your K4 transceiver locally at home or from anywhere in the world with an internet connection. ■ Integrated Digital Modes: Use built-in tools for FT8, FT4, CW, Weather FAX and SSTV (NEW!) without the need for external software. ■ Logging: Maintain a comprehensive logbook with automatic logging, ADIF import/export. ■ Dual VFO and Waterfalls: Manage dual VFO settings and view real-time dual waterfall displays for detailed frequency insights (dependent on transceiver capabilities). ■ DX-Cluster and Alerts: Stay updated with DX-Cluster integration and personalized alerts for desired callsigns, DXCCs, States or others. ■ Visual and Interactive Features: View radio spots in the waterfall display, check band limits, and see callsigns on a map complete with directional data. ■ CW Operation: Offers unique CW capabilities including remote CW transmission via keyboard or a hardware paddle connected via CTR2/MIDI Controller. WHAT YOU NEED: - An Elecraft K4 Transceiver - The Transceiver needs to be connected to your local Network - No USB cable needed or supported - An iPad which runs at least iOS 18 LEARN MORE: Discover all features here: https://ham-radio-apps.com Access the full Manual: https://ham-radio-apps.com/manuals Note: K4-Control for Elecraft is independently developed and is not affiliated with or endorsed by Elecraft.

Screenshots

K3iNetwork4 screens
K4 Control for Elecraft K44 screens

Verdict

The call

The clearest difference is price: K3iNetwork at $3.99 against K4 Control for Elecraft K4's $89.99. K4 Control for Elecraft K4's advantage is update cadence (every 2 weeks vs every 7 months). On ads, in-app purchases, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

K3iNetwork costs $3.99 and K4 Control for Elecraft K4 $89.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

K3iNetwork ships an update every 7 months, K4 Control for Elecraft K4 every 2 weeks. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 8 level
K3iNetwork versus K4 Control for Elecraft K4: the parameters behind the verdict, then further details
ParameterK3iNetworkK4 Control for Elecraft K4
Price$3.99 — better$89.99
Rating—4.8 (6 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—6 — better
Update frequencyEvery 7 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.2 — better17.6
Further details — not scored
Size23 MB50 MB
Age rating4+4+
DeveloperMike Downs, ks7dMarcus Roskosch

In-app purchases

None

K3iNetwork

No in-app purchases

None

K4 Control for Elecraft K4

No in-app purchases

Questions

Is K3iNetwork free?
K3iNetwork costs $3.99, with no in-app purchases.
Is K4 Control for Elecraft K4 free?
K4 Control for Elecraft K4 costs $89.99, with no in-app purchases.
Do K3iNetwork or K4 Control for Elecraft K4 have ads?
Neither K3iNetwork nor K4 Control for Elecraft K4 shows ads.
Which is updated more often, K3iNetwork or K4 Control for Elecraft K4?
K3iNetwork ships an update every 7 months, and K4 Control for Elecraft K4 every 2 weeks. Most recently, K3iNetwork was updated on October 1, 2026 and K4 Control for Elecraft K4 on October 12, 2026.

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