WARP by Tinkerforge vs Graf IoT
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
WARP by Tinkerforge
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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.
Graf IoT
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GRAF IoT shows you how much water is in your system at any time and alerts you before it gets critical. The app connects to your GRAF BlueLevel and GRAF ARCOS devices and brings level, volume and system status together on one dashboard. You get a notification when the level runs too low or too high. The built-in weather forecast shows you the rainfall heading for your site. FEATURES ⢠Fill level and remaining volume in litres and percent ⢠Alerts for critical fill levels ⢠Weather forecast for the location of your system ⢠Level height and device status for every system ⢠All devices on one central dashboard ⢠Device data, assignment and location at a glance ⢠Light and dark mode For cisterns and rainwater systems with GRAF BlueLevel and for retention and infiltration systems with GRAF ARCOS. A connected GRAF device is required to use the app.
Screenshots
Verdict
The clearest difference is update cadence: Graf IoT at monthly against WARP by Tinkerforge's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
WARP by Tinkerforge ships an update every 9 months, Graf IoT monthly. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.
| Parameter | WARP by Tinkerforge | Graf IoT |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Monthly ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad ā better | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details ā not scored | ||
| Size | 4 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Tinkerforge | Otto Graf GmbH Kunststofferzeugnisse |
In-app purchases
WARP by Tinkerforge
No in-app purchases
Graf IoT
No in-app purchases
Questions
Is WARP by Tinkerforge free?
Is Graf IoT free?
Do WARP by Tinkerforge or Graf IoT have ads?
Which is updated more often, WARP by Tinkerforge or Graf IoT?
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