Comparison

Unit Converter 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

Unit Converter

Features
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Type 5 km โ€” see miles, metres, yards, feet, inches. Length, weight, volume, temperature all in one tap. - All conversions show simultaneously - Length, weight, temperature free - Volume, area, speed in Pro - Currency with manual rate entry (Pro) - Long-press a result to copy Who it's for For travellers, recipe-readers, runners and DIYers who hit a unit they don't think in every day. One-Time Unlock Premium is a one-time Lifetime purchase โ€” there is no subscription and nothing auto-renews. Pay once and unlock every premium feature forever. Payment is charged to your Apple ID at confirmation, and you can restore it anytime. Privacy: everything stays on your device by default. No analytics SDKs, no cross-app tracking. Privacy policy at https://bestpaid.app/legal/privacy. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Free to use, supported by ads. Subscribe to remove all ads and unlock every premium feature โ€” cancel anytime.

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

Unit Converter4 screens
OverflowEV4 screens

Verdict

The call

The clearest difference is in-app purchases: OverflowEV at none against Unit Converter's 1. OverflowEV also leads on ads (none vs shown). Unit Converter's advantage is update cadence (daily vs every 6 days). On price, 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

Both are free to download. Unit Converter sells 1 one-off in-app purchase. OverflowEV asks for nothing beyond the download.

UpkeepUpdate frequency

Unit Converter ships an update daily, OverflowEV every 6 days. The most recent releases landed on September 19, 2026 and September 14, 2026 respectively.

Scorecard3 real differences ยท 3 level
Unit Converter versus OverflowEV: the parameters behind the verdict, then further details
ParameterUnit ConverterOverflowEV
PriceFreeFree
Update frequencyDaily โ€” betterEvery 6 days
AdsYesNo โ€” better
In-app purchasesYesNo โ€” better
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS17.0 โ€” better17.6
Further details โ€” not scored
Size44 MB25 MB
Age rating4+4+
DeveloperVasilii PolovnikovBen Wilson

In-app purchases

1 purchases

Unit Converter

One-time1
  • Premium ยท Lifetime$19.99
None

OverflowEV

No in-app purchases

Questions

Is Unit Converter free?
Unit Converter is free to download, with in-app purchases available.
Is OverflowEV free?
OverflowEV is free to download, with no in-app purchases.
Do Unit Converter or OverflowEV have ads?
Unit Converter shows ads; OverflowEV does not.
Which is updated more often, Unit Converter or OverflowEV?
Unit Converter ships an update daily, and OverflowEV every 6 days. Most recently, Unit Converter was updated on September 19, 2026 and OverflowEV on September 14, 2026.

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