Comparison

Grade Calculator vs Meter Usage

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

Head to head
About

Grade Calculator

This app helps students calculate their grades and determine the scores needed on future assignments to achieve specific academic goals. It allows for detailed tracking of subjects, categories, and individual assignments with customizable weighting.

Highlights
  • Add, edit, and remove subjects
  • Set category weights
  • Add assignments to categories
  • Calculate minimum grades for goals
  • Add subjects to terms for GPA
Features
Read full description

percent is your personal grade calculator — find out what you need to get on your next assignment to stay on top of your goals or even go above and beyond. percent is designed to be as intuitive as possible. features: • add, edit, and remove subjects • set different weights for different categories • add individual assignments to categories • calculate minimum grades necessary to reach target goal * add subjects to terms to calculate GPA

About

Meter Usage

Features
Read full description

Consumption Tracker is the professional solution for smart energy and resource management. With AI-powered OCR recognition, 96 different units, and intelligent analytics, you maintain full control over your consumption costs. INTELLIGENT METER READING • AI-powered OCR camera with 6 image processing strategies • Automatic text recognition in difficult lighting • Integrated flashlight for dark rooms • Photo gallery of all readings 96 DIFFERENT UNITS • Energy: kWh, MWh, Wh, BTU, Joule and more • Volume: m³, Liter, Gallon (US/UK), Cubic foot • Flow, Pressure, Temperature, Length, Area • Counting units: Pieces, Count, Cycles PROFESSIONAL STATISTICS & FORECASTS • Trend analysis with linear regression • Annual consumption forecast • Monthly consumption patterns and comparisons • Bidirectional meters (e.g. battery) • 12-month cost forecast COMPLETE COST CONTROL • Multiple price configurations per meter • Time-based price changes • Separate base fee and consumption costs • Billing periods with automatic cost calculation HOME ASSISTANT INTEGRATION • Complete smart home integration • Automatic synchronization of meter readings • Background synchronization FRITZ!BOX INTEGRATION (PREMIUM) • Automatic tracking of internet data usage • Upload, download and total consumption • Daily, weekly or monthly sync READING REPORTS & INVOICES (PREMIUM) • Create reading reports for multiple meters • PDF export for landlords and property managers • Record invoices with consumption, prices and base fees • Multi-meter assignment per invoice DATA MANAGEMENT & BACKUP • JSON and CSV export • xMeter CSV import • Automatic format detection on import • Smart import with duplicate detection REMINDERS & NOTIFICATIONS • Daily, monthly or custom reminders • Deep links directly to meter • Local notifications without cloud iCLOUD SYNCHRONIZATION • Automatic sync across all Apple devices • Widget data synchronization • Background synchronization HOME SCREEN WIDGETS • 3 widget sizes (Small, Medium, Large) • Current meter readings at a glance • 30-day consumption display MULTIPLE HOUSES & UNLIMITED METERS • Manage multiple properties • Unlimited meters per house (Premium) • Move meters between houses • Meter replacement management with history preservation • House filter in statistics and cost overview 8 METER TYPES Electricity, Gas, Hot Water, Cold Water, Water, Heating, Battery, Data USER-FRIENDLY & MODERN • Modern SwiftUI design • Dark Mode • Haptic feedback PRIVACY & SECURITY • All data stays on your devices • iCloud encryption • GDPR compliant FREE FEATURES • Up to 5 meters • All 8 meter types • 96 units available • Widgets CREDITS App Icon by Lorraine Sandmann (lorrainesandmann.de)

Screenshots

Grade Calculator3 screens
Meter Usage4 screens

Verdict

The call

The clearest difference is price: Meter Usage at Free against Grade Calculator's $1.99. Grade Calculator's advantage is update cadence (every 3 days vs weekly). On ads, in-app purchases, device support and iOS requirement 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

Meter Usage is free to download; Grade Calculator costs $1.99 up front. Grade Calculator sells 2 in-app purchases, starting at $2.99 per month and Meter Usage sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Grade Calculator ships an update every 3 days, Meter Usage weekly. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 6 level
Grade Calculator versus Meter Usage: the parameters behind the verdict, then further details
ParameterGrade CalculatorMeter Usage
Price$1.99Free — better
Positive reviews0.0% of reviews—
Update frequencyEvery 3 days — betterWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationPaid—
DevicesiPhone, iPad, Vision Pro — betteriPhone, iPad
Requires iOS18.018.0
Further details — not scored
Size5 MB18 MB
Age rating4+4+
DeveloperTerran KroftMathias Todisco

In-app purchases

2 purchases

Grade Calculator

Subscriptions2
  • Monthly (Pro)$2.991 Month
  • Pro (Annual)1 Year trial$19.991 Year
1 purchases

Meter Usage

One-time1
  • Premium Access$34.99

Questions

Is Grade Calculator free?
Grade Calculator costs $1.99, and also offers in-app purchases.
Is Meter Usage free?
Meter Usage is free to download, with in-app purchases available.
Do Grade Calculator or Meter Usage have ads?
Neither Grade Calculator nor Meter Usage shows ads.
Which is updated more often, Grade Calculator or Meter Usage?
Grade Calculator ships an update every 3 days, and Meter Usage weekly. Most recently, Grade Calculator was updated on October 4, 2026 and Meter Usage on October 12, 2026.

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