Comparison

HAM vs Narvi Flow

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

Head to head
About

HAM

This utility app offers a comprehensive suite of tools for amateur radio operators, including band conditions, DX-Cluster monitoring, and a logbook. It features direct radio integration for tuning and automatic logging, along with various calculations and resource information.

Highlights
  • DX-Cluster and PSK-Reporter activity monitoring
  • Bandplan, Glossar, and AWG resource information
  • Built-in radio integration for direct tuning
  • Fully featured logbook with QSO editing
  • LOTW and QRZ.com log submission
  • Calculations for Ohm's law, VSWR, and antennas
  • CW Encoder and Decoder
Features
Currently charting
Read full description

The ultimate utility App for every HAM-Radio Operator HAM-Toolbox provides a variety of useful Tools to help you operating your HAM-Radio. The Tools are ranging from activity monitoring Tools like DX-Cluster and PSK-Reporter, to Tools helping you with resource information like Bandplan, Glossar, AWG and many more Tools. HAM-Toolbox also has a built-in radio integration, so that you can directly tune to spots from the DX-Cluster and other tools. During logging, the appropriate fields for the frequency and mode will be automatically filled. With a one-time purchase you gain access to all of the following Tools on your iPhone, iPad and Mac. · TOOLS: + Band Conditions + POTA + DX-Cluster + PSK-Reporter + Reverse Beacon Network + Call-Lookup + Locator + Beacons (especially NCDXF) + Repeater + DTMF Generator + CW Encoder and Decoder + Frequency List + QSL Card Designer (design, preview, print and export your own QSL cards) · LOGBOOK: HAM-Toolbox comes with a fully featured Logbook. + Inspect and edit your existing QSOs + Easy-to-use logging interface + Maintenance (Data completion from QRZ.com, Duplicates finder, Mass change) + LOTW and QRZ.com log submission + Integrated Call-Lookup with possibility to update QSO + Worked/Needed statistics for CQ-Zones, ITU-Zones and DXCCs + Map with worked grid locators representation + iCloud-Sync with multiple devices (compatible with SDR-Control and SmartSDR) · Radio-Integration: + Frequency and Mode + Logbook integration + Direct tuning from various Tools like DXCluster, POTA, Frequency List + Supports all major Brands and Radios via Network or USB + YAESU: FT-710, FT-991, FT-DX10, FT-DX100 + Icom: IC-705, IC-7300mk2, IC-7300, IC-7610, IC-7760, IC-9700, IC-R8600, + Kenwood: TS-890, TS-990 + Elecraft: K4 + HamLib · CALCULATIONS: + Ohm's law + VSWR + Dipole-Antenna + Groundplane-Antenna + HB9CV-Antenna + Helix-Antenna + dB Conversion + Wavelength · RESOURCES: + Bandplan + Glossar + Morse + AWG + CTCSS-Codes + Formulas + Q-Codes + Abbreviations + Constants Find out more here: https://ham-toolbox.com Read the Manual: https://go-to.me/hamtoolbox-manual

About

Narvi Flow

Read full description

Feel control with the Narvi Flow Wifi electric sauna heater controller and app! With the Narvi Flow app, you can control and manage your electric sauna heater remotely using your mobile device or smart device. The app is designed for use with Narvi sauna heaters equipped with the Narvi Flow Wifi controller/control system. Turn your sauna on with a single press — anytime, anywhere. Open the app on your mobile device, set a timer, and perfect sauna heat will be waiting for you when you arrive. The app also provides notifications and allows you to monitor the status of the sauna room. Narvi Flow app features: - Control and management of the sauna heater - Turn the heater on and off using a smartphone or tablet - Temperature adjustment (40–115°C) - Pre-set start timer for the heater (up to 6 hours) - Heater registration - Works only with the Narvi Flow Wifi control system - Requires a safety device (Narvi door switch) - Free app

Screenshots

HAM4 screens
Narvi Flow4 screens

Verdict

The call

The clearest difference is price: Narvi Flow at Free against HAM's $14.99. Narvi Flow also leads on iOS requirement (13.0 vs 18.6). HAM's advantage is chart position (#177 vs unranked). On update cadence, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Narvi Flow is free to download; HAM costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

HAM ships an update monthly, Narvi Flow every 4 weeks. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 8 level
HAM versus Narvi Flow: the parameters behind the verdict, then further details
ParameterHAMNarvi Flow
Price$14.99Free — better
Rating4.0 (7 ratings) — better—
Positive reviews69.2% of reviews—
Number of ratings7 — better—
Update frequencyMonthlyEvery 4 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#177 — better—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS18.613.0 — better
Further details — not scored
Size83 MB32 MB
Age rating4+17+
DeveloperMarcus RoskoschNarvi Oy

In-app purchases

None

HAM

No in-app purchases

None

Narvi Flow

No in-app purchases

Questions

Is HAM free?
HAM costs $14.99, with no in-app purchases.
Is Narvi Flow free?
Narvi Flow is free to download, with no in-app purchases.
Do HAM or Narvi Flow have ads?
Neither HAM nor Narvi Flow shows ads.
Which is updated more often, HAM or Narvi Flow?
HAM ships an update monthly, and Narvi Flow every 4 weeks. Most recently, HAM was updated on September 8, 2026 and Narvi Flow on September 10, 2026.

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