Comparison

Mi Blue vs PowerPriceWatch

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

Head to head

for Greenely customers

Free

🔧 Utilities

No ratingsView app →

About

Mi Blue

Features

Read full description

The Mi Blue App allows users to update Micronova Bluetooth products

About

PowerPriceWatch

Features

Read full description

This app is an energy price and consumption companion that helps Greenely Premium customers track, analyze, and optimize their electricity usage on Apple Watch. • Live Spot Price Monitoring (Premium): View the current electricity price, compare it with upcoming prices, and visualize whether costs are rising, falling, or stable. • Historic Price Graphs (Premium): Review past electricity prices through clear charts to understand long-term trends. • Consumption Tracking (Premium): Access detailed insights into year-to-date energy usage in kWh. • Optimization Tools (Premium): Get personalized suggestions on how to shift or optimize usage based on price fluctuations. All Premium features require an active PowerPriceWatch Subscription. Manual: https://johellstrand.github.io/powerpricewatch/manual.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Mi Blue4 screens

PowerPriceWatch3 screens

Verdict

The call

The clearest difference is in-app purchases: Mi Blue at none against PowerPriceWatch's 2. Mi Blue also leads on iOS requirement (13.0 vs 26.0). On price, update cadence, 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. PowerPriceWatch sells 2 in-app purchases, starting at $0.49 per month. Mi Blue asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 4 level

Mi Blue versus PowerPriceWatch: the parameters behind the verdict, then further details
Parameter	Mi Blue	PowerPriceWatch
Price	Free	Free
Update frequency	Every 5 days	Every 5 days
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod	iPhone, iPad, Apple Watch
Requires iOS	13.0 — better	26.0
Further details — not scored
Size	19 MB	7 MB
Age rating	17+	4+
Developer	Micronova Srl	Jan-Olof Hellstrand

In-app purchases

None

Mi Blue

No in-app purchases

2 purchases

PowerPriceWatch

Subscriptions2

Monthly Subscription1 Month trial$0.491 Month
Yearly Subscription$3.991 Year

Questions

Is Mi Blue free?

Mi Blue is free to download, with no in-app purchases.

Is PowerPriceWatch free?

PowerPriceWatch is free to download, with in-app purchases available.

Do Mi Blue or PowerPriceWatch have ads?

Neither Mi Blue nor PowerPriceWatch shows ads.

Which is updated more often, Mi Blue or PowerPriceWatch?

Mi Blue ships an update every 5 days, and PowerPriceWatch every 5 days. Most recently, Mi Blue was updated on October 12, 2026 and PowerPriceWatch on October 10, 2026.