Comparison

Ferroamp vs Integrity VPN

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

Head to head

Ferroamp

Your Ferroamp, pocket sized

About

Ferroamp

Features

Read full description

Monitor and control your Ferroamp system directly from your phone. Track electricity production, energy consumption, battery status, and phase balancing in real time. With FerroAI, your system can automatically optimize your energy usage, or you can take control yourself using scheduled settings. Log in with your Ferroamp account and take full control of your energy – right from the app. For instructions, visit https://ferroamp.com/kundservice/ Please note: Scheduling in the app is available for systems running EnergyHub Operating System 7.0 or later. For older systems, scheduling is available through the web portal.

About

Integrity VPN

Features

Read full description

Integrity VPN uses establishes an encrypted VPN tunnel to Integrity VPN end-point servers, using the WireGuard protocol. This brings security (encrypted VPN tunnel from your device to our servers), privacy (no log policy) and liberty (IP address) to the user. Log in with your account id and password, or scan a QR code. Choose country and click connect – that’s it! Note: This app requires an Integrity VPN account, which you can get from eligible internet providers. You CANNOT get an account through this app.

Screenshots

Ferroamp4 screens

Integrity VPN3 screens

Verdict

The call

The clearest difference is update cadence: Ferroamp at every 2 weeks against Integrity VPN's every 5 weeks. Ferroamp also leads on iOS requirement (16.4 vs 18.0). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Ferroamp ships an update every 2 weeks, Integrity VPN every 5 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 4 level

Ferroamp versus Integrity VPN: the parameters behind the verdict, then further details
Parameter	Ferroamp	Integrity VPN
Price	Free	Free
Update frequency	Every 2 weeks — better	Every 5 weeks
Ads	No	No
In-app purchases	No	No
Devices	iPhone	iPhone, iPad — better
Requires iOS	16.4 — better	18.0
Further details — not scored
Size	75 MB	26 MB
Age rating	4+	4+
Developer	Ferroamp AB	Trampkvarnen AB

In-app purchases

None

Ferroamp

No in-app purchases

None

Integrity VPN

No in-app purchases

Questions

Is Ferroamp free?

Ferroamp is free to download, with no in-app purchases.

Is Integrity VPN free?

Integrity VPN is free to download, with no in-app purchases.

Do Ferroamp or Integrity VPN have ads?

Neither Ferroamp nor Integrity VPN shows ads.

Which is updated more often, Ferroamp or Integrity VPN?

Ferroamp ships an update every 2 weeks, and Integrity VPN every 5 weeks. Most recently, Ferroamp was updated on November 3, 2026 and Integrity VPN on October 30, 2026.