Comparison

VOOL vs Gruff Automation

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

Head to head
About

VOOL

Features
Read full description

Want to cut your usual charging costs in half? Better hit that blue GET button. VOOL App tracks Nord Pool energy prices to get your EV fully charged and cut your charging costs. Don't interrupt your life to toggle the on/off switch, either. Automate your charging with VOOL. VOOL APP โ€ข Works with all OCPP-compliant chargers, but best with the VOOL Charger โ€ข Tracks and displays Nord Pool energy prices โ€ข Automatically charges your EV below your selected kW price โ€ข Turns charging on and off remotely โ€ข Gives a full overview of your charging sessions Setting up your charger, your EV, and your favourite charging location is simple. Once you're up and running, the VOOL App remembers your preferred charging rates, shows you your charging sessions โ€” and savings, and will notify you only when absolutely necessary. VOOL is on a mission to make your EV Charging experience more reliable, cheap, and elegant. VOOL App and EV Charger are just the beginning.

About

Gruff Automation

Features
Read full description

Control Your Electricity Costs: The Gruff Saver Socket is a Wi-Fi connected socket that monitors electricity prices and automatically turns on/off your devices to save you money during off-peak hours. Stop Overpaying for Electricity: Introducing the Gruff Saver Socket, the innovative way to take control of your electricity bills. This Wi-Fi connected socket seamlessly integrates with your home network and retrieves real-time market electricity prices. With this information, the Gruff Saver Socket can automatically switch on and off your plugged-in devices based on the current price per hour. This means your appliances will only operate during off-peak hours when electricity is cheapest, saving you money without any manual effort. Smart Savings, Simplified: The Gruff Saver Socket is easy to set up and use. Simply connect it to your Wi-Fi network and configure it through the user-friendly app. You can then choose which devices you want to connect to the socket and set personalized preferences for their operation based on electricity prices. The Gruff Saver Socket takes care of the rest, automatically optimizing your energy consumption and saving you money on your electricity bills. Benefits: Reduce your electricity costs by automatically using appliances during off-peak hours. Gain real-time insights into market electricity prices. Easy to set up and manage through a user-friendly app. Convenient and automated solution for saving energy. Gruff Saver Socket - Smarter Electricity Use, Lower Bills.

Screenshots

VOOL4 screens
Gruff Automation4 screens

Verdict

The call

The clearest difference is update cadence: VOOL at fortnightly against Gruff Automation's every 6 weeks. On price, ads, in-app purchases and device support 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

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

UpkeepUpdate frequency

VOOL ships an update fortnightly, Gruff Automation every 6 weeks. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

Scorecard1 real difference ยท 5 level
VOOL versus Gruff Automation: the parameters behind the verdict, then further details
ParameterVOOLGruff Automation
PriceFreeFree
Update frequencyFortnightly โ€” betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS17.616.4 โ€” better
Further details โ€” not scored
Size125 MB33 MB
Age rating4+4+
DeveloperMultiCharge OUAltos Engineering OU

In-app purchases

None

VOOL

No in-app purchases

None

Gruff Automation

No in-app purchases

Questions

Is VOOL free?
VOOL is free to download, with no in-app purchases.
Is Gruff Automation free?
Gruff Automation is free to download, with no in-app purchases.
Do VOOL or Gruff Automation have ads?
Neither VOOL nor Gruff Automation shows ads.
Which is updated more often, VOOL or Gruff Automation?
VOOL ships an update fortnightly, and Gruff Automation every 6 weeks. Most recently, VOOL was updated on September 17, 2026 and Gruff Automation on September 9, 2026.

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