Comparison

Voltati vs Sthor

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

Head to head
About

Voltati

Monitor your solar energy system to optimize production, track savings, and understand environmental impact. Get daily insights, battery status, and performance analysis to maximize your green energy efforts.

Highlights
  • Daily energy production insights
  • Weather impact analysis
  • Battery charging time calculation
  • Cost and CO2 savings tracking
  • Performance and efficiency stats
  • Customizable system settings
Features
Read full description

Take control of your solar energy system with Voltati – the ultimate app designed to help you maximize your energy production, reduce costs, and contribute to a sustainable future. Key Features: Daily Energy Insights: Track your total energy production in real-time (kWh, Amps, and more). Weather Adjustments: Understand how sunlight, clouds, and rain impact your solar panels’ efficiency. Battery Monitoring: Calculate battery charging time and keep track of your storage capacity. Cost Savings: See how much money and CO2 emissions you’re saving every day. Performance Analysis: Get detailed stats on peak sunlight hours, energy utilization, and efficiency. Customizable Settings: Input your solar panel setup, battery specs A $9.99 per year purchase will be applied to your iTunes account on confirmation. Subscriptions will automatically renew unless canceled 24 hours before the end of the current period. You can cancel anytime through your iTunes account settings. Any unused portion of the free trial (if applicable) will be forfeited if you purchase a subscription. For more information, see our Terms and Conditions and Privacy Policy. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://voltati.gibrsoz.com/pp Terms and conditions: https://voltati.gibrsoz.com/tac Extended Terms of Use: https://voltati.gibrsoz.com/etou

About

Sthor

Monitor real-time electricity spot prices and compare plans to optimize energy usage. Features home screen widgets and instant notifications to keep you informed of price changes.

Highlights
  • Real-time electricity spot price monitoring
  • Electricity plan comparison
  • Energy usage optimization
  • Home screen widgets
  • Instant price change notifications
Features
Read full description

Aware of current electricity price. Anytime Sthor helps you monitor Finland’s electricity spot prices in real time, compare plans more effectively, and optimize your energy usage. With home screen widgets, instant notifications, and enhanced pricing transparency, you’ll always stay ahead of price changes.

Screenshots

Voltati2 screens
Sthor4 screens

Verdict

The call

The clearest difference is in-app purchases: Sthor at none against Voltati's 1. Voltati's advantage is ads (none vs shown) and iOS requirement (14.0.0 vs 18.0). On price, rating, ratings volume and update cadence 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. Voltati sells 1 in-app purchase, starting at $9.99 per year. Sthor asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Voltati against 5.0 for Sthor. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Voltati ships an update monthly, Sthor every 4 weeks. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

Scorecard4 real differences · 5 level
Voltati versus Sthor: the parameters behind the verdict, then further details
ParameterVoltatiSthor
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyMonthlyEvery 4 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationSubscriptionAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0.0 — better18.0
Further details — not scored
Size49 MB9 MB
Age rating17+4+
DeveloperShayar GhafourAnh Cao

Customer experience

Voltati

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Sthor

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Voltati

Subscriptions1
  • Voltati Yearly Plan$9.991 Year
None

Sthor

No in-app purchases

Questions

Is Voltati free?
Voltati is free to download, with in-app purchases available.
Is Sthor free?
Sthor is free to download, with no in-app purchases.
Which has better reviews, Voltati or Sthor?
Voltati and Sthor are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Voltati or Sthor have ads?
Sthor shows ads; Voltati does not.
Which is updated more often, Voltati or Sthor?
Voltati ships an update monthly, and Sthor every 4 weeks. Most recently, Voltati was updated on October 2, 2026 and Sthor on October 9, 2026.

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