Comparison

WattCharge vs Coaster Tool

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

Head to head
About

WattCharge

Manage and control intelligent charging devices from a single platform. This app facilitates easy connection and operation of smart charging stations, integrating them into your smart home ecosystem. Enjoy features like scheduled charging and battery health preservation.

Highlights
  • Quick pairing and shared charging
  • Seamless charging experience
  • Set charging limits for battery health
  • Silent charging mode
  • Scheduled charging for off-peak hours
  • Integrates charging stations into smart home
Features
Read full description

The WattCharge app is a unified management platform for intelligent charging devices created by Wattsaving. It enables the discovery, connection, management, and control of Wattsaving' smart charging products, facilitating interconnection between smart charging stations. WattCharge turns charging stations into part of a smart home. 【Key Features】 >> Quick pairing, shared charging One-time pairing for shared usage within the family. >> Seamless charging experience Keep Bluetooth on, plug in, and start charging instantly. >> Charging limits Users can set charging limits to preserve battery health. >> Silent mode Silent charging mode to avoid disturbing neighbors. >> Scheduled charging Charge during off-peak hours to benefit from lower electricity rates. 【Contact Us】 We greatly value your support and feedback for every step of our progress. We look forward to hearing from you through the following channels: (1) WattCharge app --> My --> Help & Feedback (2) Email us at wattcloud@wattsaving.com (3) Visit our website: www.wattsaving.com (4) Follow Wattsaving on official WeChat account, WeChat video platform, and TikTok.

About

Coaster Tool

Features
Read full description

Coaster Tool helps roller coaster enthusiasts record and revisit every ride. Capture motion data with iPhone or Apple Watch, then view G-force curves, the analysis range and the trajectory on iPhone. 【Record the Ride】 Record motion and location data, then add a name, park, seat and notes to each ride. Apple Watch supports independent recording and syncs the result to iPhone. 【Understand G-Force Changes】 View longitudinal, lateral, vertical and combined G-force curves, along with peak values and ride statistics. Select an analysis range and adjust the train coordinate reference with automatic or manual calibration. 【Replay and Compare】 Review readings and positions along the timeline, compare curves from two recordings, add photos to replays, and organize your history with favorites, search and sorting. 【Explore 2D/3D Tracks】 After calibration is complete, view the 2D and 3D trajectories derived from GPS and motion sensor data; these trajectories are intended solely for reviewing your experience. 【Keep and Share】 Export JSON, CSV and shareable images, with support for importing and exporting four-array force JSON. Records are stored on the device. Available in Simplified Chinese, Traditional Chinese, English and French, with support for the system’s Dark Mode. Usage tip: Follow the attraction’s rules for carrying and securing devices, and do not operate your device during the ride. Measurements depend on device mounting, sensors and location conditions. They are not intended for safety certification, medical decisions or professional engineering measurement. Terms of use(EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://yangyuxuanxiao.github.io/CoasterToolWeb/en/privacy.html

Screenshots

WattCharge3 screens
Coaster Tool4 screens

Verdict

The call

The clearest difference is in-app purchases: WattCharge at none against Coaster Tool's 2. WattCharge also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support 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. Coaster Tool sells 2 one-off in-app purchases. WattCharge asks for nothing beyond the download.

Scorecard2 real differences · 8 level
WattCharge versus Coaster Tool: the parameters behind the verdict, then further details
ParameterWattChargeCoaster Tool
PriceFreeFree
Rating1.8 (4 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings4 — better—
Update frequencyWeekly—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS15.0 — better17.0
Further details — not scored
Size61 MB8 MB
Age rating4+4+
DeveloperSHENZHEN WATTSAVING ELECTRICAL TECHNOLOGY CO.,LTDYangYuXuan Xiao

In-app purchases

None

WattCharge

No in-app purchases

2 purchases

Coaster Tool

One-time2
  • 100 recordings$0.99
  • Unlimited recordings$9.99

Questions

Is WattCharge free?
WattCharge is free to download, with no in-app purchases.
Is Coaster Tool free?
Coaster Tool is free to download, with in-app purchases available.
Do WattCharge or Coaster Tool have ads?
Neither WattCharge nor Coaster Tool shows ads.

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