MCE Sync vs Wattly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MCE Sync
Automate your electric vehicle charging to leverage the cheapest and cleanest energy available on the grid. Earn cash rewards for charging during specific low-carbon events.
- Automated EV charging
- Cheapest energy utilization
- Cleanest energy utilization
- Cash sign-up bonus
- Monthly cash rewards
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The MCE Sync app helps you automate your EV charging at home to use the least expensive and cleanest energy on the grid. Download the app and charge your EV to receive a $50 sign-up bonus. You can earn $10 a month in additional cash by charging during low-carbon events.
Wattly
Monitor your Tesla's real-time data, control it remotely, and analyze driving habits. Automate vehicle actions, track charging costs, and explore detailed battery health insights. Connect with a driver community and utilize helpful utilities like rain radar.
- Real-time vehicle data dashboard
- Remote control capabilities
- Customizable automations
- Live charging tracking with cost
- Detailed trip history and analytics
- Battery health monitoring
- Tesla driver community features
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Wattly is a powerful companion app for your Tesla. Get real-time vehicle data, remote controls, and detailed driving analytics all within a sleek, elegant interface. REAL-TIME DASHBOARD & REMOTE CONTROLS * Monitor battery, range, charging status, temperatures, and location with live updates AUTOMATIONS FOR YOUR TESLA * Combine triggers and actions so your vehicle reacts automatically * 7 triggers (battery, temperature, location, schedule...) × 12 automated actions LIVE CHARGING TRACKING * Power, remaining time, and charging cost in real time * Live Activities on Lock Screen and Dynamic Island * Charging history with costs, pricing rules, and location-based organization TRIP HISTORY & POSTCARDS * All your drives with map routes, energy consumption, and driving score * Share stylish Tesla travel postcards * Road trips · EV vs gasoline cost comparison ADVANCED STATS * Driving · Energy · Activity · Battery health * Efficiency by temperature, driving patterns, vampire drain * FSD Center TESLA DRIVER COMMUNITY * Competitive leagues * Travel passport: cities, regions, and countries visited * Achievements TESLA BATTERY HEALTH * Degradation curves and health percentage over time * Voltage, temperature, and model-specific data UTILITIES * Rain radar and weather alerts at your Tesla’s location * Tire pressure · Vampire drain · Firmware versions by country APPLE ECOSYSTEM * Apple Watch with dashboard and remote controls * Home widgets · Live Activities · Customizable navigation bar YOUR DATA, YOUR CONTROL * Import your history from third-party apps * Export all your data Wattly Access plans, prices, trial eligibility and renewal terms are shown in the app before confirmation. Apple subscriptions renew automatically unless you cancel them in your App Store settings before renewal. Compatible with Tesla Model 3, Model Y, Model S (2021+), Model X (2021+), and Cybertruck. Requires access to the Tesla Fleet API. Some advanced features like FSD Center require HW4 or newer. Designed with privacy as a priority, using the official Tesla Fleet API. Wattly is not affiliated with or endorsed by Tesla, Inc. Terms: wattly.tech/terms Privacy: wattly.tech/privacy Download Wattly and discover a smarter way to enjoy your Tesla.
Screenshots
Verdict
The clearest difference is in-app purchases: MCE Sync at none against Wattly's 7. MCE Sync also leads on ads (none vs shown) and ratings volume (198 vs 40). Wattly's advantage is review sentiment (71% vs 38%) and update cadence (every 8 days vs every 6 weeks). On price, rating, 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
Both are free to download. Wattly sells 7 in-app purchases, starting at $6.99 per month. MCE Sync asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.6 for MCE Sync against 4.5 for Wattly. Both are backed by a comparable volume of ratings — 198 and 40 respectively. Written reviews are what separate them: 38% of MCE Sync's written reviews are positive against 71% of Wattly's.
MCE Sync ships an update every 6 weeks, Wattly every 8 days. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.
| Parameter | MCE Sync | Wattly |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (198 ratings) — better | 4.5 (40 ratings) |
| Positive reviews | 38.5% of reviews | 70.6% of reviews — better |
| Number of ratings | 198 — better | 40 |
| Update frequency | Every 6 weeks | Every 8 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone | iPhone, Apple Watch — better |
| Requires iOS | 18.6 | 18.0 — better |
| Further details — not scored | ||
| Size | 91 MB | 168 MB |
| Age rating | 4+ | 4+ |
| Developer | MCE Clean Energy | Wattly Technologies S.L. |
Customer experience
MCE Sync
Wattly
In-app purchases
MCE Sync
No in-app purchases
Wattly
- Wattly Access7 Days trial$6.991 Month
- Wattly Access$6.991 Month
- Wattly Access Duo Monthly$9.991 Month
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- Wattly Access (Annual)7 Days trial$69.991 Year
- Wattly Access (Annual)$69.991 Year
- Wattly Access Duo Annual$79.991 Year
- Wattly Access (Lifetime)$299.99
