Comparison

Calculator on Watch vs BatteryMonitorComplication

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

Head to head
About

Calculator on Watch

A straightforward and functional calculator designed for smartwatches. It offers a simple, user-friendly interface for quick calculations directly on your wrist.

Highlights
  • Simple interface
  • Easy to use
  • Highly functional
  • Beautiful design
  • On-wrist calculations
Features
Read full description

The best smart calculator on Apple Watch! It is simple, easy to use, highly function and beautiful!!

About

BatteryMonitorComplication

This app estimates your Apple Watch's remaining battery life, offering a more detailed forecast than just a percentage. It learns from your usage patterns and displays the estimated time directly on your watch face complication.

Highlights
  • Smart battery life calculation
  • Watch face complication display
  • Automatic 5% battery measurements
  • Adjusts for workouts and high drain
  • Long-term usage statistics
  • Measurement history
Features
Read full description

BatteryMonitor – Battery life for your Apple Watch BatteryMonitor estimates how long your Apple Watch will last — in the app and as a watch face complication. KEY FEATURES • Smart calculation – learns from your charge and discharge cycles • Automatic measurements – every 5% battery change • Day, night, and workout drain – different discharge rates • Complication – remaining time on your watch face • Date & Weekday – shows date until threshold is reached, then remaining time. • Statistics – long-term cycles and usage overview • Measurement history – all values including discharge rates WORKOUTS & HIGH DRAIN • Adjusts the display during workouts or high activity • Workout badge on the circular complication • Optional push prompt to improve statistics HIGHLIGHTS • Accounts for recent charging • For Apple Watch Series 6–12, SE, and Ultra • Shows estimated time until battery is empty • Multiple complication sizes WHY BATTERYMONITOR? After just a few days, you get a much more useful forecast than a percentage alone — especially with the complication enabled. IMPORTANT Accuracy improves with regular use. Measurements happen in 5% steps; exact battery readings are limited by the system, so updates may feel slightly delayed. Questions or feedback? Use App Support.

Screenshots

Calculator on Watch2 screens
BatteryMonitorComplication3 screens

Verdict

The call

The clearest difference is review sentiment: BatteryMonitorComplication at 100% against Calculator on Watch's 25%. BatteryMonitorComplication also leads on rating (5.0 vs 4.0) and update cadence (weekly vs every 17 months). Calculator on Watch's advantage is iOS requirement (12.0 vs 17.6). On price, ratings volume, ads and in-app purchases 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

Calculator on Watch costs $0.99 and BatteryMonitorComplication $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

BatteryMonitorComplication holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 25% of Calculator on Watch's written reviews are positive against 100% of BatteryMonitorComplication's.

UpkeepUpdate frequency

Calculator on Watch ships an update every 17 months, BatteryMonitorComplication weekly. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 6 level
Calculator on Watch versus BatteryMonitorComplication: the parameters behind the verdict, then further details
ParameterCalculator on WatchBatteryMonitorComplication
Price$0.99$0.99
Rating4.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews25.0% of reviews100.0% of reviews — better
Number of ratings11
Update frequencyEvery 17 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPod, Apple Watch — betteriPhone, Apple Watch
Requires iOS12.0 — better17.6
Further details — not scored
Size17 MB9 MB
Age rating4+4+
DeveloperSing Fu ChanMichael Burch

Customer experience

Calculator on Watch

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive25.0%
Neutral37.5%
Negative37.5%

BatteryMonitorComplication

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Calculator on Watch

No in-app purchases

None

BatteryMonitorComplication

No in-app purchases

Questions

Is Calculator on Watch free?
Calculator on Watch costs $0.99, with no in-app purchases.
Is BatteryMonitorComplication free?
BatteryMonitorComplication costs $0.99, with no in-app purchases.
Which has better reviews, Calculator on Watch or BatteryMonitorComplication?
BatteryMonitorComplication is rated higher. Calculator on Watch averages 4.0 out of 5 from 1 ratings, while BatteryMonitorComplication averages 5.0 from 1 ratings.
Do Calculator on Watch or BatteryMonitorComplication have ads?
Neither Calculator on Watch nor BatteryMonitorComplication shows ads.
Which is updated more often, Calculator on Watch or BatteryMonitorComplication?
Calculator on Watch ships an update every 17 months, and BatteryMonitorComplication weekly. Most recently, Calculator on Watch was updated on November 1, 2026 and BatteryMonitorComplication on October 28, 2026.

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