Comparison

Watto vs WattPreis

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

Head to head

Watto

Hourly Electricity Prices

Watt? Electricity in Austria

Free

🔧 Utilities

No ratingsView app →

About

Watto

Features

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- Hourly prices for EPEX SPOT AT and DE - Shows you the best times to charge - Calculates the real price based on your fee structure - Alerts you when the price drops below a set limit - See historical data like average price per week and best weekday

About

WattPreis

Features

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WattPreis shows you Austrian electricity spot prices hour by hour — so you know exactly when power is cheap and when to wait. Features: - Hourly price breakdown for today and tomorrow, color-coded by tier - "Next cheap window" — see when the next affordable block starts - Low / Average / Peak summary at a glance - Price alert notifications — get notified when prices drop below your threshold - Morning summary notification with the day's outlook - Home screen widgets for instant price visibility - Dark and light theme Prices are published daily by smartENERGY and reflect Austrian EPEX spot market rates.WattPreis is not affiliated with smartENERGY tho or any electricity provider. The app does not collect any personal data. At all. Questions or feedback? Drop me a line at hey@wattpreis.app

Screenshots

Watto4 screens

WattPreis4 screens

Verdict

The call

The clearest difference is in-app purchases: WattPreis at none against Watto's 4. WattPreis also leads on iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Watto sells 4 one-off in-app purchases. WattPreis asks for nothing beyond the download.

Scorecard2 real differences · 4 level

Watto versus WattPreis: the parameters behind the verdict, then further details
Parameter	Watto	WattPreis
Price	Free	Free
Update frequency	Every 2 months	—
Ads	No	No
In-app purchases	Yes	No — better
Devices	iPhone	iPhone, iPod — better
Requires iOS	18.0	15.1 — better
Further details — not scored
Size	4 MB	38 MB
Age rating	4+	17+
Developer	Erik Aigner	Egor Sazanovich