Saydo
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Saydo Privacy Policy

Last updated: 4 November 2026

Saydo (“the app”, package app.saydo.voicetodo) is a voice to-do list published by FightTech. This policy explains what the app does with your voice, your tasks and your purchases. Short version: there is no account, your tasks stay on your phone, there is no analytics, the free Android app shows ads from Google AdMob (none while you have Pro or after you buy a credit pack), and your voice or text leaves the phone only when you use a cloud AI engine you chose.

1. What the app stores on your phone

  • Tasks, lists, reminders, habits, day plans, focus sessions, reviews and settings, in the app's private storage.
  • Family entries you add (members, a child's school year and timetable), family death anniversaries (giỗ) and funeral dates. These stay on the phone and are never uploaded by the app.
  • If you enter your own AI API key, it is stored on the phone and sent only to the endpoint you configured.

There is no user account and no cloud sync. Android cloud backup and phone-to-phone transfer are turned off for this app. The only copy outside the app is a backup file you export yourself, saved where you choose; you can protect it with a password. Uninstalling the app or clearing its data deletes everything it stored.

2. Microphone and AI engines

The app records only while you hold or tap the mic. In Settings › AI engine you choose who turns your recording and text into tasks:

  • On this phone only: speech is transcribed by a Whisper model on the phone and tasks are made by the offline parser. Nothing leaves the phone. The model file is downloaded once from Hugging Face when you ask for it.
  • Saydo Cloud (uses credits): the recording or text goes to our gateway at fighttech.vn, which forwards text to Anthropic (Claude) and audio to Google (Gemini) to get the answer back. These providers process the request under their own terms, possibly outside your country.
  • Your own API key: the recording or text goes directly to the OpenAI-compatible endpoint you entered. We never see it.

The recording is deleted from the phone as soon as it has been read. Our gateway does not keep your audio or text after answering; it keeps usage counts (credits spent) linked to a random install id. Without any AI engine, Saydo still makes tasks on the phone with the offline parser, and you can always type instead.

3. Camera, photos and PDFs

When you scan a wedding card or a school notice, or pick a PDF, the text is read on the phone with Google ML Kit and the Google Play services document scanner. The image is deleted after reading. Only the extracted text may be sent to the AI engine you chose (section 2) to turn it into tasks.

4. Calendar

Calendar access is optional (Pro). If you allow it, the app reads your busy times to plan around them and writes the events you choose to add. Calendar data is used on the phone and never uploaded.

5. Notifications, exact alarms and Do Not Disturb

Notifications show your reminders, the morning brief and the focus timer. Exact alarms let a reminder ring at the minute you set; if you do not allow them, reminders still come, a little less precisely. Do Not Disturb access is asked only if you want alarm-style reminders to ring through Do Not Disturb. The focus timer runs as a foreground service so its countdown stays on the lock screen until it ends or you stop it. You can hide task names on the lock screen.

6. Shared lists and sending tasks

Shared family lists travel as files that you send through an app you choose (chat, email and so on); Saydo itself uploads nothing. You can leave a shared list and choose whether to delete its tasks. When you share a message or select text into Saydo, that text is handled like anything you type.

If a future version stores shared lists on our server, this policy will be updated first, and the app will say so before anything is uploaded.

7. Purchases

Saydo Pro subscriptions, the lifetime purchase and AI credit packs are sold through Google Play. Payment is handled by Google; we never receive your card details. To confirm a purchase, the app sends the purchase token, the product id and a random install id generated by the app to our verification endpoint at fighttech.vn, which checks it with Google. The install id contains no name, email address or account of yours.

8. Ads, analytics and other connections

  • The free Android app shows ads from Google AdMob: a banner, possibly a full-screen ad between activities, and optional rewarded ads you can choose to watch to unlock Saydo Pro for 30 minutes. Google may use the advertising ID, device information, approximate location derived from the IP address and your interactions with ads to show and measure ads. Where the law requires it (for example in the EEA and the UK), the app first asks for your consent through Google’s consent form (UMP), and you can change your choice at any time under the privacy options in Settings. You see no ads while you have Pro (an active subscription or the lifetime purchase), after you buy a credit pack on this install, and during the 30-minute Pro window unlocked by a rewarded ad. If a subscription ends, ads come back. Your tasks and recordings are never sent to AdMob. We sell no data and build no advertising profile ourselves. How Google uses data from apps that show its ads: policies.google.com/technologies/partner-sites. You can reset or delete the advertising ID in the Android settings, under Privacy → Ads.
  • No analytics or crash reporting. The Firebase libraries are present in the app but are never started, so they collect nothing.
  • Fonts: the app may download its typefaces from Google Fonts over HTTPS. Google receives your IP address as with any web request.
  • Spoken reviews use the text-to-speech engine already on your phone.
  • Diagnostics: “Send diagnostics” opens the share sheet with reminder times only (no task names); nothing is sent unless you share it.

9. Who receives data

  • FightTech (fighttech.vn): the Saydo Cloud gateway and purchase verification described above.
  • Anthropic and Google, only when you use Saydo Cloud, to process the request.
  • The endpoint you configured, only when you use your own API key.
  • Google Play, for purchases.
  • Google AdMob, for ads in the free Android app.

We do not sell your data, we build no advertising profile ourselves, and your tasks are never shared for advertising. All connections use HTTPS.

10. Children

Saydo is a planner for teenagers and adults and is not directed at children under 13. Parents can add family members, including a child's school dates; this information stays on the parent's phone.

11. Delete your data

  • On the phone: delete tasks or lists in the app, or uninstall the app or clear its data to remove everything.
  • On our servers: purchase and credit records tied to your install id. Email fighttech.vn@gmail.com and we will delete them, or send you a copy if you ask.
  • Requests already processed by an AI provider follow that provider's own retention policy.

12. Changes and contact

If this policy changes, the date at the top changes with it. Questions: fighttech.vn@gmail.com.