Comparison

Voltello vs OverflowEV

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

Head to head
About

Voltello

Features
Read full description

Households connected to the Voltello App (powered by Village Energy) can add and control devices in their home, like air conditioning, pool pumps, rooftop solar and more. You can see device consumption, keep track of energy spend and subscribe to new smart energy plans. The App can be connected to a customers energy utility where Village Energy is working with them to offer their customers new ways to save money and earn rewards. Anyone can download the App from the Playstore and explore the features available or even use it to support friends and relatives who may not be as tech savvy. Once downloaded the initial sign-up process is as simple as entering some basic contact details and validating the account via a one-time-password (OTP). The intuitive App home screen displays real-time status updates, offers from your utility and quick access to information or support. You can manage and set preferences on individual devices, opt in/out of plans your devices are eligible for, set up device automations, access notifications and support and where supported manage payments and view transaction histories and statements. The App simplifies your energy experience and opens up new and easy ways to improve energy use and spend.

About

OverflowEV

Features
Read full description

Put your spare solar into your car OverflowEV automatically uses your excess solar to charge your EV, helping you get more value from the energy you generate at home. Connect your solar system and EV, set your preferences, and let OverflowEV manage the rest. No extra hardware. No complicated setup. Charge from your solar OverflowEV monitors your home energy and continuously adjusts your EV charging to make the most of your available solar. Choose how you charge Solar Only Charge your EV using available excess solar. Solar+ Use your available solar while intelligently supplementing with grid power when needed. Charge Now Start charging immediately when you need it. Off Pause automatic charging. Set your charge target Set the charge level you want your car to reach and OverflowEV manages the charging to get you there. Whether you need 60% for the morning commute or a full charge for a trip, you stay in control. Smart scheduling Create charging schedules around your routine, electricity prices and when you need your car ready. See your energy in real time See how your energy is being used with real-time information on: Solar generation Home energy usage Grid import and export EV charging Charging history and energy consumption Works with your energy setup OverflowEV supports a growing range of solar inverters, EVs and smart chargers, with new integrations being added regularly. No extra hardware OverflowEV is cloud based. There is no Raspberry Pi, local server or additional hardware to install. Smarter EV charging, automatically Whether your goal is to maximise your solar, reduce grid usage or simply stop thinking about when to charge, OverflowEV takes care of it automatically. Make your solar work harder. OverflowEV โ€” Put your spare solar into your car.

Screenshots

Voltello4 screens
OverflowEV4 screens

Verdict

The call

The clearest difference is update cadence: OverflowEV at every 6 days against Voltello's every 3 weeks. Voltello's advantage is iOS requirement (13.0 vs 17.6). 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

Voltello ships an update every 3 weeks, OverflowEV every 6 days. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

Scorecard2 real differences ยท 4 level
Voltello versus OverflowEV: the parameters behind the verdict, then further details
ParameterVoltelloOverflowEV
PriceFreeFree
Update frequencyEvery 3 weeksEvery 6 days โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS13.0 โ€” better17.6
Further details โ€” not scored
Size56 MB25 MB
Age rating4+4+
DeveloperVillage Energy Operations Pty LtdBen Wilson

In-app purchases

None

Voltello

No in-app purchases

None

OverflowEV

No in-app purchases

Questions

Is Voltello free?
Voltello is free to download, with no in-app purchases.
Is OverflowEV free?
OverflowEV is free to download, with no in-app purchases.
Do Voltello or OverflowEV have ads?
Neither Voltello nor OverflowEV shows ads.
Which is updated more often, Voltello or OverflowEV?
Voltello ships an update every 3 weeks, and OverflowEV every 6 days. Most recently, Voltello was updated on October 3, 2026 and OverflowEV on October 2, 2026.

Other comparisons