Comparison

MeterWise vs OPABC

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

Head to head
About

MeterWise

This app helps California residents predict their utility bills by inputting meter readings. It offers detailed forecasts for electricity, gas, and water, including solar net energy metering calculations. Advanced features like PDF bill scanning and usage spike modeling are available through an optional one-time purchase.

Highlights
  • Utility bill prediction
  • Solar NEM & True-Up forecasting
  • Automatic meter conversions
  • Unified billing dashboard
  • Flexible input options (PDF scan, Green Button)
  • Smart cycle reminders
  • 100% private, no account needed
Features
Read full description

MeterWise is a utility bill predictor designed to help you take control of your household finances. Simply input your current meter readings, and MeterWise uses up-to-date rate tables and predictive calculations to project your upcoming bill. Stop the bill shock! Optimized for California residential utilities: • Electric: LADWP, SoCal Edison (SCE), PG&E, SDG&E, Sacramento (SMUD), Pasadena (PWP), Glendale (GWP), Burbank (BWP), Anaheim Public Utilities (APU) • Gas: SoCalGas, PG&E, SDG&E, Long Beach Gas • Water: LADWP, San Diego (MyWaterSD), Pasadena, Glendale, Burbank, Anaheim, Long Beach • Full CCA rate support for all 25 Community Choice Aggregators across PG&E, SCE, and SDGE • Custom Rates: Support for unlisted utilities with manual rate entries. KEY FEATURES: • ACCURATE CALCULATION ENGINE Accurately models regional non-bypassable charges (NBCs), daily minimum bill floors, baseline climate zone allowances, CARE/FERA assistance discounts, and municipal tax brackets. Prediction Tuner allows modeling of usage spikes to prevent skewing of predictions early in the billing cycle. • SOLAR NEM & TRUE-UP FORECASTER For SCE, PG&E, and SDG&E, separate monthly cash obligations from your annual True-Up balance. Predict your Month 12 True-Up payment or wholesale refund based on your anniversary month. For LADWP, track rolling credit bank deposits and withdrawals. • AUTOMATIC METER CONVERSIONS Converts measured water gallons into Hundreds of Cubic Feet (HCF). Handles solar "rollback" meter readings automatically with zero manual math required. • UNIFIED & LINKED BILLING Supports grouped statements (such as LADWP electric, water, and sanitation) and aligns differing cycle lengths (30-day vs. 60-day) into a single, unified monthly dashboard. • FLEXIBLE INPUT OPTIONS Upload a PDF of your bill to auto-populate info. Use the built-in Lifestyle Profile wizard to estimate TOU usage splits based on your A/C habits and EV charging routine, or import official Green Button files. For water and gas, you can also enter a standard usual cost instead of meter readings. • SMART CYCLE REMINDERS MeterWise remembers your billing cycle dates and sends timely reminders to update your readings for maximum projection accuracy. • 100% PRIVATE No account registration is required. All meter data and settings stay strictly on your local device. A network connection is not required for use. METERWISE PRO (IN-APP PURCHASE) Upgrade to MeterWise Pro with a single one-time purchase ($4.99) to unlock advanced utility tools: • Solar NEM & True-Up Forecaster: Track credit banks and project 12-month solar true-up statements. • Chart View: See your prior reads and track your projections over time. • Green Button File Importer: Auto-populate usage tiers from official utility CSV and XML export files. • PDF bill scan: Provide a PDF or image of your latest bill to auto-fill your meter initial state. • Prediction Tuner: Model heat waves and other usage spikes to prevent false predictions. • Custom Rate Profile Builder: Create manual seasonal, TOU, and tiered rate ledgers for any utility. • Dashboard Customizer: Hide utility cards included in rent or HOAs. Only pay once. MeterWise Pro is a one-time purchase. DISCLAIMER: MeterWise is an independent calculation utility and is not affiliated with, endorsed by, or associated with any utility company. All projections are estimates based on published public tariff schedules. Actual bills may vary based on weather spikes, dynamic baseline updates, and meter discrepancies. Always refer to your official utility statement for actual charges. TERMS OF USE & PRIVACY • Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Privacy Policy: https://meterwiseapp.github.io/meterwise-privacy/

About

OPABC

Manage your One Piece Trading Card Game collection, build decks, and track card prices. Scan cards quickly, organize your collection with detailed notes, and view market values. Build and share custom decks with ease.

Highlights
  • Card scanning and identification
  • Collection management with details
  • Real-time card price tracking
  • Deck building and sharing
  • CSV import/export for collection
  • Booster box scanning
Features
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OPABC is the unofficial companion for the One Piece Trading Card Game: scan your cards, suuuuuper fast manage your collection, follow prices and build decks. No account, no ads, no cloud. SCANNING • Hold a card up to the camera: OPABC reads the card number and tells the printing apart by its artwork • Base, alternate art, manga and parallel stay counted separately, which is where most scanners give up • Scan a whole booster box in one go, then set condition and purchase date for all of them at once • Recognition runs on the device: no camera image ever leaves your phone COLLECTION • Condition, purchase price, purchase date, storage place and a note for every card • Collection value with its history, and the cards that moved it • Search, filter and sort by set, colour, rarity, cost, power, attribute and type • Keyword filters for Blocker, Rush, Trigger or Counter • CSV import and export: your collection stays yours CATALOGUE AND PRICES • Every set, starter deck and promo with a checklist of what you are missing • Prices from Cardmarket in euro and TCGplayer in US dollars • Price history per card and for the whole collection • New sets show up as soon as Bandai announces them DECKS • Build decks with leader colours, copy limits and rule hints • Paste or export OPTCG Simulator lists • Missing cards as a shopping list with prices, shareable as an image or PDF • Share a deck as a QR code that others scan straight into their app OPABC PRO The free plan scans 5 cards a day, holds 50 cards and one deck. OPABC Pro lifts those limits and unlocks every price history – weekly or yearly with a free trial, or once and for good. GOOD TO KNOW The catalogue covers the English cards. Japanese cards and sync between devices are not supported. ONE PIECE CARD GAME is a trademark of Bandai. This app is unofficial and not affiliated with Bandai, Shueisha or Toei Animation. Card data and images come from the official card list, prices from Cardmarket and TCGplayer. Terms of Use (EULA): https://opabc.app/terms Privacy Policy: https://opabc.app/privacy

Screenshots

MeterWise4 screens
OPABC4 screens

Verdict

The call

The clearest difference is update cadence: OPABC at every 2 days against MeterWise's every 5 days. On price, rating, review sentiment and ratings volume 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. MeterWise sells 1 one-off in-app purchase and OPABC sells 4 in-app purchases, starting at $4.49 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for MeterWise against 5.0 for OPABC. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

MeterWise ships an update every 5 days, OPABC every 2 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

Scorecard1 real difference · 9 level
MeterWise versus OPABC: the parameters behind the verdict, then further details
ParameterMeterWiseOPABC
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 5 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad — betteriPhone
Requires iOS17.617.0 — better
Further details — not scored
Size11 MB41 MB
Age rating4+4+
DeveloperJoshua FinleyMinh Tran

Customer experience

MeterWise

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

OPABC

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

In-app purchases

1 purchases

MeterWise

One-time1
  • MeterWise Pro Lifetime Access$4.99
4 purchases

OPABC

Subscriptions2
  • OPABC Pro - Weekly7 Days trial$4.497 Days
  • OPABC Pro - Yearly7 Days trial$34.991 Year
One-time2
  • OPABC Pro - Lifetime$49.99
  • OPABC Pro - Lifetime$89.99

Questions

Is MeterWise free?
MeterWise is free to download, with in-app purchases available.
Is OPABC free?
OPABC is free to download, with in-app purchases available.
Which has better reviews, MeterWise or OPABC?
MeterWise and OPABC are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do MeterWise or OPABC have ads?
Neither MeterWise nor OPABC shows ads.
Which is updated more often, MeterWise or OPABC?
MeterWise ships an update every 5 days, and OPABC every 2 days. Most recently, MeterWise was updated on October 31, 2026 and OPABC on November 6, 2026.

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