Comparison

VAT Calculator + vs CostWatt

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

Head to head
About

VAT Calculator +

Features
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Are you looking for a simple yet powerful tool to calculate percentages quickly and efficiently? Look no further! Our innovative application offers you the flexibility to choose from four different percentage rates: 1%, 8%, 18%, and a custom rate of your choice.

About

CostWatt

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CostWatt: Track and Calculate Your Power Usage CostWatt is a simple and effective tool designed to help you monitor and manage your electricity consumption. By manually entering your usage, the app calculates your power costs and saves this information to help you keep track over time. How it Works: - Enter Your Usage: Easily input your electricity usage to get an immediate cost calculation based on your energy rate. - Cost Calculation: CostWatt provides a straightforward calculation of your energy consumption costs, helping you understand your electricity spending. - Track Over Time: Your usage and cost data is saved, making it easy to monitor patterns, compare time periods, and get a clearer picture of how your energy consumption impacts your expenses. CostWatt offers an efficient way to stay informed about your power usage without any complicated features. It's designed for anyone looking to keep a closer eye on their electricity costs, whether for home or small business use.

Screenshots

VAT Calculator +4 screens
CostWatt4 screens

Verdict

The call

The clearest difference is price: VAT Calculator + at Free against CostWatt's $0.99. VAT Calculator + also leads on update cadence (every 3 weeks vs every 11 months) and device support. On in-app purchases 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

VAT Calculator + is free to download; CostWatt costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

VAT Calculator + ships an update every 3 weeks, CostWatt every 11 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard4 real differences ยท 2 level
VAT Calculator + versus CostWatt: the parameters behind the verdict, then further details
ParameterVAT Calculator +CostWatt
PriceFree โ€” better$0.99
Update frequencyEvery 3 weeks โ€” betterEvery 11 months
AdsNoโ€”
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betterโ€”
Requires iOS15.6 โ€” better17.0
Further details โ€” not scored
Size4 MB3 MB
Age rating4+4+
DeveloperMUSTAFA ALTINSOYRick Twilling

In-app purchases

None

VAT Calculator +

No in-app purchases

None

CostWatt

No in-app purchases

Questions

Is VAT Calculator + free?
VAT Calculator + is free to download, with no in-app purchases.
Is CostWatt free?
CostWatt costs $0.99, with no in-app purchases.
Which is updated more often, VAT Calculator + or CostWatt?
VAT Calculator + ships an update every 3 weeks, and CostWatt every 11 months. Most recently, VAT Calculator + was updated on November 3, 2026 and CostWatt on October 30, 2026.

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