GPS vs EmuTrain
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GPS
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行速GPS是一款为高铁、飞机、自驾和日常出行设计的实时 GPS 速度工具。 当你在旅途中想知道当前速度、移动轨迹、最高速度、平均速度和距离时,打开 App 即可查看。行速GPS使用 iPhone 定位能力估算 GPS 地速,并在地图上绘制本次行程轨迹。记录默认只保存在本机,不需要登录,也不会上传你的轨迹。 主要功能: 实时显示 GPS 速度,支持 km/h、mph、m/s、knots。 地图展示当前位置和本次行程轨迹。 支持开始、暂停、继续和结束行程记录。 记录最高速度、平均速度、距离、海拔和移动时间。 查看历史行程详情、轨迹地图和速度变化。 自动识别步行、骑行、自驾、高铁、飞机等常见移动场景。 低速场景抑制 GPS 漂移,高速场景提高速度响应。 超过数秒没有新定位时自动回落,避免弱信号下停留在旧速度。 轨迹默认本地保存,可随时删除。 适合这些场景: 坐高铁时查看实时速度和本段轨迹。 飞行途中查看 GPS 地速变化。 自驾、巴士、骑行时记录移动速度。 旅行后回看本次行程的速度、距离和路线。 重要说明: 行速GPS显示的是基于 iPhone 定位能力估算的 GPS 地速,数据仅供参考。隧道、地下空间、高楼、车厢位置、机舱位置、设备型号、系统定位权限和卫星信号都会影响精度。本 App 不能替代车辆仪表、航空仪表、铁路官方数据或执法计量设备。飞机场景显示的是 GPS 地速,不是航空仪表空速。驾驶时请遵守交通规则,不要手持操作手机。 使用条款(EULA):https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
EmuTrain
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China Railway EMU Train Information Lookup System features train number lookup, roster lookup, rolling stock number lookup, railway administration lookup, passenger coach lookup, locomotive lookup, station display, EMU gallery and other functions. It pulls data from multiple sources including an in-house platform and 12306 to deliver accurate train assignment and roster information. This system does not sell tickets. Please purchase tickets through the official platform.
Screenshots
Verdict
The clearest difference is device support: EmuTrain at 3 against GPS's 1. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
GPS ships an update every 8 days, EmuTrain every 10 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.
| Parameter | GPS | EmuTrain |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 days — better | Every 10 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, Apple Watch — better |
| Requires iOS | 17.0 | 17 |
| Further details — not scored | ||
| Size | 3 MB | 152 MB |
| Age rating | 12+ | 12+ |
| Developer | 肖龙 刘 | Stacie Bambauer |
In-app purchases
GPS
No in-app purchases
EmuTrain
No in-app purchases









