XTEINK vs Coaster Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
XTEINK
Manage your e-reader from your phone. Effortlessly transfer books, comics, wallpapers, and fonts with intelligent format conversion. Enjoy personalized reading and scheduled content pushes for a more convenient experience.
- Content transfer (books, comics, wallpapers, fonts)
- Intelligent format conversion
- Scheduled content push
- Personalized reading settings
- E-reader management
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XTEINK APP is your exclusive intelligent companion for the XTEINK e-reader. It effortlessly transfers books, comics, wallpapers, and fonts from your phone to the reader, with intelligent format conversion. It also supports scheduled push, personalized reading, and many other features, making your reading experience more convenient and efficient.
Coaster Tool
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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
Verdict
The clearest difference is in-app purchases: XTEINK at none against Coaster Tool's 2. On price, ads, 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. Coaster Tool sells 2 one-off in-app purchases. XTEINK asks for nothing beyond the download.
| Parameter | XTEINK | Coaster Tool |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (41 ratings) — better | — |
| Positive reviews | 16.7% of reviews | — |
| Number of ratings | 41 — better | — |
| Update frequency | Every 9 days | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, Apple Watch — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 62 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Xiaohu Xingtong Technology Co., Ltd. | YangYuXuan Xiao |
In-app purchases
XTEINK
No in-app purchases
Coaster Tool
- 100 recordings$0.99
- Unlimited recordings$9.99









