Privacy Policy — Hundred

Last updated 17 August 2026

Hundred is made by greybits. Contact: greysonmiller67@gmail.com


The short version

Hundred works on your device. There is no account, no sign-in, and no server of ours: your training data is written to your phone and stays there.

The one exception is advertising. Hundred is free and is paid for by ads supplied by Google AdMob, and serving an ad involves your device talking to Google. That is described in full below.

What Hundred stores on your device

Everything the app remembers is written to your device’s local storage:

None of this is uploaded to us, and we have no copy of it. Uninstalling the app deletes all of it.

What Hundred does not collect

We do not ask for or collect a name, email address, phone number, or an account of any kind. No location. No contacts, photos, files, camera, or microphone. No health or fitness data from any other app or device — every rep and every hold in Hundred is a number you typed or a timer you started. We run no analytics and no crash reporting of our own.

Advertising

Hundred shows ads from Google AdMob: a banner at the end of a screen’s content, a full-screen ad after some finished sessions, and an ad when the app is opened from cold on occasion.

To do that, Google’s advertising software on your device may collect and use:

Google uses this to select ads, to measure them, to stop the same ad repeating too often, and to detect fraud. This happens inside Google’s advertising software; we do not receive your advertising identifier or build any profile of you, and we cannot see who you are.

Google’s own policy explains what it does with the data: https://policies.google.com/technologies/ads

Your choices about ads

Notifications

The session reminder is optional and off by default. If you turn it on, Hundred schedules a local notification on your device for days a session is due. It is created and delivered by your phone; nothing is sent to or from a server of ours, and no notification content leaves your device. Turning the toggle off cancels everything scheduled.

The counting voice

If “Count out loud” is on, Hundred asks your phone’s own text-to-speech engine to read out the reps remaining during a set. The only text it ever sends is a number. Which speech engine handles it, and whether that engine works entirely on your device, is a setting of your phone rather than of this app — Hundred neither chooses it nor receives anything back. Turning the toggle off stops the app speaking at all.

Permissions

Hundred asks for nothing else. It has no access to your files, camera, microphone, contacts or location.

Deleting your data

Settings → Reset all data erases every challenge, level, session and badge, and puts your settings back to their defaults. Each challenge can also be reset on its own from its progress screen. Uninstalling the app removes everything as well.

Because your training data is never uploaded, there is no copy anywhere else and nothing to request from us — but equally, nothing can be recovered once it is deleted.

Sharing

“Share Hundred” opens your phone’s own share sheet with a link to the app. What you send, and to whom, is entirely up to you — Hundred does not see it.

Children

Hundred is a general-audience fitness app and is not directed at children. We collect no personal information from anyone, including children. Because it shows advertising, it is not designed for or targeted at children under 13.

Health and safety

Hundred is a training tracker, not medical advice. It reports the numbers you enter and nothing more — no calories, no body measurements, and no claims about what training will do to your body. Train sensibly, and talk to a doctor before starting a new exercise programme if you have any reason to.

Changes to this policy

If this policy changes, the updated version ships with a new version of the app and the date at the top changes with it.

Contact

Questions about this policy: greysonmiller67@gmail.com