Comparison

WARP by Tinkerforge vs CarHA

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

Head to head
About

WARP by Tinkerforge

Features
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This app allows remote access via my.warp-charger.com to all versions of the WARP Charger and all versions of the WARP Energy Manager. Each time a connection is made via remote access, a dedicated encrypted VPN is established. This VPN has only two participants: The device through which you open the remote access and your WARP Charger or WARP Energy Manager. This ensures that only you can retrieve data from your device.

About

CarHA

Features
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CarHA lets you control your Home Assistant smart home directly from your car's touch screen while driving. Configure buttons for lights, switches, covers, and any Home Assistant entity. Monitor sensors, battery levels, water tanks, and power consumption โ€” all from your car dashboard with large, color-coded buttons designed for driving. FEATURES - Control any Home Assistant switch, light, or automation - Monitor sensors in real time with WebSocket updates - Fully customizable tabs and buttons with colored icons - Supports multiple Home Assistant instances - Geofence zones โ€” get notified or trigger automations automatically when you arrive near home, work, or any location - iOS Widget โ€” check battery and sensor status from your home screen - Backup & Restore โ€” export and import your configuration - Works over local network or remote connection (Tailscale, Nabu Casa) - No cloud, no subscriptions โ€” connects directly to your server REQUIREMENTS - A running Home Assistant instance - Home Assistant URL and Long-Lived Access Token - iPhone with iOS 16+ - A car with a compatible car dashboard system CarHA is not affiliated with Nabu Casa, Inc. or the Home Assistant project.

Screenshots

WARP by Tinkerforge4 screens
CarHA4 screens

Verdict

The call

The clearest difference is price: WARP by Tinkerforge at Free against CarHA's $4.99. CarHA's advantage is update cadence (weekly vs every 9 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

WARP by Tinkerforge is free to download; CarHA costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

WARP by Tinkerforge ships an update every 9 months, CarHA weekly. The most recent releases landed on September 24, 2026 and September 13, 2026 respectively.

Scorecard2 real differences ยท 4 level
WARP by Tinkerforge versus CarHA: the parameters behind the verdict, then further details
ParameterWARP by TinkerforgeCarHA
PriceFree โ€” better$4.99
Update frequencyEvery 9 monthsWeekly โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 โ€” better16.6
Further details โ€” not scored
Size4 MB1 MB
Age rating4+4+
DeveloperTinkerforgeVeghes Lucian

In-app purchases

None

WARP by Tinkerforge

No in-app purchases

None

CarHA

No in-app purchases

Questions

Is WARP by Tinkerforge free?
WARP by Tinkerforge is free to download, with no in-app purchases.
Is CarHA free?
CarHA costs $4.99, with no in-app purchases.
Do WARP by Tinkerforge or CarHA have ads?
Neither WARP by Tinkerforge nor CarHA shows ads.
Which is updated more often, WARP by Tinkerforge or CarHA?
WARP by Tinkerforge ships an update every 9 months, and CarHA weekly. Most recently, WARP by Tinkerforge was updated on September 24, 2026 and CarHA on September 13, 2026.

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