MathSwap Privacy Policy

Last updated: 2026-05-02

MathSwap (“the App”) is a single-player math puzzle game. This policy explains what information the App handles, including data collected and shared by the third-party advertising SDKs we integrate.

1. Information We Collect and Share

The App itself does not collect any personal information for our own use. However, to display ads, the App integrates third-party advertising SDKs that may collect and process the following on your device:

• Advertising ID (Google Advertising ID / GAID) — for ad attribution and frequency capping.
• Device information — model, manufacturer, OS version, system language, country/region, time zone, screen size.
• Network information — IP address, network type (Wi-Fi / cellular).
• App and ad interaction data — ad impressions, clicks, video completion events.

This data is sent directly from your device to the advertising SDK servers; we do not operate any backend or store this data ourselves.

2. Information Stored Locally on Your Device

To remember your progress, the App saves the following on your device using Android’s local storage (AsyncStorage):

• Best average time per difficulty mode (Quick / Normal / Hard / Expert)
• Total number of challenges completed
• Your sound and haptics preferences

This data never leaves your device. It is removed when you:

• Tap Clear Records in Settings, or
• Uninstall the App.

3. Permissions

• INTERNET — required to load ads.
• ACCESS_NETWORK_STATE, ACCESS_WIFI_STATE — ad networks check connectivity before requesting ads.
• com.google.android.gms.permission.AD_ID — allows the SDKs to read the Google Advertising ID.
• VIBRATE — haptic feedback for taps.

The App does not access your contacts, camera, microphone, precise location, photos, or files.

4. Third-Party Advertising Partners

We use TradPlus as the ad mediation platform. TradPlus and its mediation partners — including but not limited to Chartboost, Unity Ads, InMobi, Vungle (Liftoff), and Helium / Chartboost Mediation — may collect the data described in Section 1 to deliver ads. See TradPlus’s privacy policy for details: https://www.tradplusad.com/privacy-policy

5. Ads in the App

• Interstitial ads — shown automatically after completing or quitting a challenge.
• Rewarded video ads — only triggered by your explicit action (e.g., tapping “Watch ad to revive” or “Watch ad for +5s”). You always have the option to skip and forfeit the reward.

6. How to Limit Ad Tracking

You can reduce or opt out of personalized advertising at any time through Android system settings:

• Settings → Google → Ads → Reset advertising ID or Opt out of Ads Personalization.
• Uninstalling the App stops all ad SDK activity from this app.

7. Children’s Privacy

MathSwap is not directed at children under 13. Because the App displays ads served by third-party networks, we do not knowingly serve targeted advertising to children under 13. If you believe a child under 13 has used the App, please contact us and we will work with the ad networks to limit data processing where possible.

8. Changes to This Policy

If this policy changes, the “Last updated” date above will be revised. Continued use of the App after changes means you accept the updated policy.

9. Contact

Questions or concerns? Email: [email protected]

MathSwap 隐私政策

最后更新：2026-05-02

MathSwap（以下简称“本应用”）是一款单机数学益智游戏。本政策说明本应用如何处理信息， 包括我们集成的第三方广告 SDK 所收集与共享的数据。

1. 我们收集与共享的信息

本应用自身不收集任何用于我们用途的个人信息。但为展示广告，本应用集成了第三方广告 SDK， 这些 SDK 可能会在你的设备上收集和处理以下信息：

• 广告标识符（Google 广告 ID / GAID）— 用于广告归因和频次控制。
• 设备信息 — 型号、厂商、操作系统版本、系统语言、国家 / 地区、时区、屏幕尺寸。
• 网络信息 — IP 地址、网络类型（Wi-Fi / 蜂窝）。
• 应用与广告交互数据 — 广告展示、点击、视频完播等事件。

这些数据由你的设备直接发送至广告 SDK 的服务器；我们不运营任何后台，也不存储这些数据。

2. 本地存储的信息

为了记录你的进度，本应用使用 Android 本地存储（AsyncStorage）保存以下内容：

• 每个难度模式（Quick / Normal / Hard / Expert）的历史最佳平均用时
• 完成挑战的累计次数
• 音效与震动偏好设置

这些数据仅保存在你的设备上。你可以通过以下方式清除：

• 在设置中点击清除记录，或
• 卸载本应用。

3. 权限

• INTERNET — 加载广告所必需。
• ACCESS_NETWORK_STATE、ACCESS_WIFI_STATE — 广告网络在请求广告前需检测连接状态。
• com.google.android.gms.permission.AD_ID — 允许 SDK 读取 Google 广告 ID。
• VIBRATE — 用于触感反馈。

本应用不会访问你的通讯录、摄像头、麦克风、精准定位、相册或文件。

4. 第三方广告合作伙伴

我们使用 TradPlus 作为广告聚合平台。TradPlus 及其聚合合作伙伴 — 包括但不限于 Chartboost、Unity Ads、InMobi、Vungle（Liftoff）、 Helium / Chartboost Mediation — 可能会收集第 1 节所述的数据用于 广告投放。详细信息请见 TradPlus 隐私政策： https://www.tradplusad.com/privacy-policy

5. 应用内的广告

• 插屏广告 — 在完成挑战或退出挑战后自动展示。
• 激励视频广告 — 仅由你主动点击触发（如“看广告复活”或“看广告 +5 秒”）， 你可以随时选择不看，仅会失去对应奖励。

6. 如何限制广告追踪

你可以随时通过 Android 系统设置减少或退出个性化广告：

• 设置 → Google → 广告 → 重置广告 ID 或 停用广告个性化。
• 卸载本应用将停止本应用的所有广告 SDK 行为。

7. 儿童隐私

MathSwap 并非面向 13 周岁以下儿童。由于本应用展示由第三方网络投放的广告， 我们不会有意向 13 周岁以下儿童投放定向广告。如发现儿童使用本应用， 请联系我们，我们将在可能的范围内与广告网络合作以限制数据处理。

8. 政策变更

若本政策发生变更，上方“最后更新”日期将随之更新。你在变更后继续使用本应用即视为接受更新后的政策。

9. 联系方式

如有疑问或建议，请发邮件至： [email protected]