GenieCalc vs WattPulse Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GenieCalc
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GenieCalc puts six everyday tools into one clean, dark-themed app. No account, no subscription — just open it and calculate. Scientific calculator Trigonometric, hyperbolic and inverse functions, logarithms, powers and roots, factorials, permutations and combinations, GCD and LCM. A running history lets you tap any earlier line to reuse it, and a D-pad moves the cursor inside long expressions. Function grapher Plot any expression in x over a range you choose and read the curve directly. Currency converter Live rates for 16 major currencies, plus any currency you add yourself. Added currencies survive a refresh. Humidity tools Convert between relative and absolute humidity, find the dew point, and compute saturation vapour pressure in hPa, kPa and mmHg — using the Magnus approximation. Market indices Track S&P 500, NASDAQ, Dow Jones, KOSPI, Nikkei, futures, gold, oil and crypto, with sparkline charts and a detail view. Unit converter Over 120 units across 11 categories: length, area, mass, volume, time, temperature, current, energy, power, radiation dose and radioactivity. You can define your own units too. 26 languages The interface follows your device language, or you can pin a language in Settings. Numbers are formatted for your region. GenieCalc is free and supported by ads. You can review your ad personalisation choices at any time from Settings.
WattPulse Pro
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WattPulse brings your home's energy to life. Connect your Home Assistant instance and watch solar production, grid usage, battery status, and total consumption flow together in one beautiful overlay chart. REAL-TIME ENERGY MONITORING • Live solar, grid, battery, and consumption metrics • Animated energy flow diagram shows power moving through your home • Instant updates via Home Assistant WebSocket • Offline cache keeps data visible even when HA is unreachable MULTI-SOURCE OVERLAY CHART • See solar, grid, battery, and consumption on a single chart • Switch between Today, Week, Month, and Year views • Smooth Swift Charts visualization with interactive legends • Compare historical patterns across 2 years of data AI-POWERED SUGGESTIONS • On-device suggestions to optimize energy usage • Solar excess alerts — run appliances when production peaks • Low-price alerts — shift load to off-peak hours • Battery optimization tips for maximum self-consumption • All suggestions generated locally — no cloud, no tracking ANOMALY DETECTION • WattPulse learns your typical usage patterns • Get alerts when consumption spikes above normal • Mark events as "normal" to improve detection accuracy • History log of all detected anomalies COST & SAVINGS TRACKING • Three rate plan types: Flat, Time-of-Use, Real-Time Pricing • Automatic cost calculations based on your actual rates • Feed-in tariff support for solar export credits • See daily, weekly, monthly, and yearly savings at a glance CO₂ CARBON OFFSET • Track your solar contribution to reducing emissions • 0.417 kg/kWh emission factor (configurable) • See your carbon offset in real time • Monthly and yearly CO₂ summaries HOME ASSISTANT INTEGRATION • Direct WebSocket connection — no cloud middleman • Auto-discovery of solar, grid, battery, and consumption sensors • Support for multiple HA instances (home, office, vacation home) • Secure token storage in iOS Keychain • Works with Home Assistant 2023.x and later DATA EXPORT & PRIVACY • Export energy data as CSV for any time range • All data stored locally on your device • No analytics, no tracking, no cloud sync • Your energy data never leaves your phone CUSTOMIZATION • Choose between System, Light, and Dark appearance • Configure notification preferences (anomaly, low-price, suggestions) • Set up multiple HA instances and switch between them • Customize rate plans to match your utility bill WattPulse is a one-time purchase. No subscriptions, no ads, no in-app purchases. Buy once, use forever. REQUIREMENTS • iOS 17.0 or later • iPhone or iPad • Home Assistant 2023.x or later • Home Assistant Long-Lived Access Token WattPulse is not affiliated with Home Assistant. Home Assistant is a trademark of its respective owners.
Screenshots
Verdict
The clearest difference is price: GenieCalc at Free against WattPulse Pro's $2.99. WattPulse Pro's advantage is ads (none vs shown). On 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
GenieCalc is free to download; WattPulse Pro costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | GenieCalc | WattPulse Pro |
|---|---|---|
| Price | Free — better | $2.99 |
| Update frequency | Every 4 days | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 17 |
| Further details — not scored | ||
| Size | 7 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | KWANGRYEOL LEE | 贺 周 |
In-app purchases
GenieCalc
No in-app purchases
WattPulse Pro
No in-app purchases
Questions
Is GenieCalc free?
Is WattPulse Pro free?
Do GenieCalc or WattPulse Pro have ads?
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