Rereminder is developed by Hyunho Lee. This page says exactly what leaves your phone and what does not.
Last updated: September 9, 2026 · Applies to app version 2.2.6
Everything you write stays on your phone. Timer names, alert messages, section titles, presentation scripts, history — none of it is ever sent anywhere.
The app does send me anonymous numbers. Counts like "how many timers were started" and "how many ran to the end," tied to a random ID that is not you. That is how I decide what to fix. It is described in full below.
There are no ads, no trackers, and no third-party analytics SDKs. Nothing is sold or shared with anyone.
The following is stored locally and is never transmitted to me:
Deleting the app deletes all of it.
All of it goes to a CloudKit database I own (container iCloud.com.Ysoup.FeedbackHub). There is no other server, and no other company receives any of it.
One record per installation, updated at most twice a day. It contains:
When something notable happens — the app was opened, a timer was started, the paywall was shown — the app records the name of that event with the app version, platform, the same random ID, and a timestamp. Each event name is recorded at most once every six hours, so these show whether something happens, never how often.
Only when you open Send Feedback and press send. That record carries:
App 2.2.6 | iPhone | iOS 26.1. That is the kind of device, not which device; nothing in it is unique to you. The form shows you this exact line before you send.ko_KR) and platform.Nothing leaves that screen unless you press send. Tapping 👍 on the "enjoying the app?" prompt opens the App Store review sheet and sends me nothing; 👎 just opens this same feedback form.
Collected through Apple's MetricKit, which aggregates crash and performance data at the OS level. These contain stack traces and timing, never the content of your timers.
One thing worth naming: when your device writes any of the above to CloudKit, Apple stamps the record with an opaque per-app iCloud identifier. It is generated by Apple, is different for every app, is not your email address, and I cannot use it to contact you or to look you up anywhere else. It is a side effect of how CloudKit works, not something the app collects on purpose.
Your iPhone, Apple Watch, and Mac keep timers in step with each other. This runs on your own iCloud account and Apple's WatchConnectivity — the data goes device to device through your iCloud, not through me. I cannot read any of it. It includes the running timer's state and name and the device name shown in the app's connection status.
Turning off iCloud Drive stops this sync; the app continues to work on each device on its own.
Rereminder integrates no third-party analytics, advertising, or tracking services. No data is sold, rented, or shared with any other company.
Rereminder Pro is a one-time purchase handled entirely by Apple. I never see your payment details — only whether a purchase exists.
All alerts are local notifications scheduled on your device. There is no push server, and no notification content ever reaches me.
Rereminder does not knowingly collect personal data from anyone, children included. It requires no account, asks for no personal information, and has no social features, chat, or user-to-user content.
If what the app collects changes, this page changes with it, and the date at the top moves. Material changes will also appear in the release notes for the version that makes them.
Questions about any of this — including "why do you need that?" — go to leeo@kakao.com. See also the support page.