None declared
It depends on how you feel about tracking: Red Calendar 2026 declares data used to track you. The sensitive items are location. In total the label lists 4 data types; 41% of calendar planners we checked declare tracking.
Red Calendar 2026 privacy in one look
- 1Collects nothing
- 2Not linked
- 3Linked
- 4Tracks you
Built only from the developer's App Store label. It describes disclosure, not tested behaviour.
Red Calendar 2026's developer reports using location, identifiers, usage data, diagnostics to track you across other companies' apps and websites.
Did Red Calendar 2026 ask for something?
Pick the permission prompt you saw. We compare it with what Red Calendar 2026's developer declared.
Red Calendar 2026 lists Location on its label, including for tracking. Choose While Using and turn off Precise Location if the feature works without it.
User Content is not on Red Calendar 2026's label. That can be fine: data used only on your iPhone does not have to be declared. If the data would need to leave the phone for the feature to work, ask why it is missing.
Contacts is not on Red Calendar 2026's label. That can be fine: data used only on your iPhone does not have to be declared. If the data would need to leave the phone for the feature to work, ask why it is missing.
Red Calendar 2026 declares data used to track you, so expect the “Allow to track?” prompt. Tap Ask App Not to Track; the app must keep working without it.
Health & Fitness is not on Red Calendar 2026's label. That can be fine: data used only on your iPhone does not have to be declared. If the data would need to leave the phone for the feature to work, ask why it is missing.
A permission is what the app can reach on your iPhone; the label is what the developer says leaves it. They answer different questions.
What Red Calendar 2026 collects, explained
| Data type | What it covers | Where to limit it |
|---|---|---|
| LocationSensitiveUsed to track youLinked to you | Where your phone is, either precisely (street level) or approximately (city or area). | Settings › Privacy & Security › Location Services: choose Never or While Using, and turn off Precise Location if the app does not need it. |
| IdentifiersUsed to track youLinked to you | An account ID, screen name, customer number or a device-level ID such as the advertising identifier. | Settings › Privacy & Security › Tracking: turn off Allow Apps to Request to Track, or tap Ask App Not to Track when prompted. |
| Usage DataUsed to track youLinked to you | What you tap, open and view inside the app, plus which ads you have seen. | There is no single iOS switch. Look for an analytics or personalised-ads toggle in the app's own settings. |
| DiagnosticsUsed to track youLinked to you | Crash logs, launch times, hang rates and energy use. | Settings › Privacy & Security › Analytics & Improvements › Share With App Developers controls what Apple passes on; the app's own crash reporting is separate. |
What Red Calendar 2026's label means for you
Red Calendar 2026's label has 4 types under “Data Used to Track You”, 4 types under “Data Linked to You”. A data type can appear in more than one section when it is used for different purposes — for example, identifiers used for both analytics and advertising.
Tracking is the declaration that most separates apps. It means location, identifiers, usage data, diagnostics from Red Calendar 2026 can be combined with data from other companies to target or measure ads, or shared with data brokers. On iOS 14.5 and later, the app must ask your permission before tracking you through the advertising identifier; answering “Ask App Not to Track” blocks that identifier and tells the developer you have declined.
The items that deserve the most attention are location. Location history reveals home, work and routines. Precise location deserves the most scrutiny.
Calendars reveal where you will be and who you meet. Planner apps may also read your other calendars and reminders. Check the Calendars permission level (full access or add-only) in Settings › Privacy & Security › Calendars.
Among the 152 calendar planners in our snapshot with a label, 41% declare tracking, 60% collect data linked to you and 26% say they collect nothing. Red Calendar 2026 lists 4 data types, more than the average of 2.9 for this group.
Productivity apps tend to collect the work you do in them — documents, notes and files — so User Content is common. The question is whether it syncs to the developer's servers and how it is protected there.
Settings to check for Red Calendar 2026
- 1
Tracking
Settings › Privacy & Security › Tracking. If “Allow Apps to Request to Track” is off, apps cannot ask, and they are told to treat you as having declined. You can also turn it off for this app alone.
- 2
Location
Settings › Privacy & Security › Location Services › Red Calendar 2026. Choose While Using or Never, and switch off Precise Location if a city-level answer is enough.
- 3
Lock the app
On iOS 18 and later, touch and hold the icon and choose Require Face ID. Anyone who picks up your unlocked phone then needs your face, fingerprint or passcode to open it.
- 4
Notifications
Settings › Notifications › Red Calendar 2026 › Show Previews: When Unlocked keeps message and account details off the Lock Screen.
Does Red Calendar 2026 track you?
Location, identifiers, usage data and diagnostics. Apple defines tracking as linking data from this app with data from other companies' apps, websites or offline sources for targeted advertising or ad measurement, or sharing it with a data broker.
Does Red Calendar 2026 track you? Full answer and how to stop it →
Lock Red Calendar 2026 behind Face ID
- Find Red Calendar 2026 on your Home Screen or in App Library.
- Touch and hold the icon until the quick-actions menu opens.
- Tap Require Face ID (or Require Touch ID / Require Passcode, depending on your iPhone).
- Tap Require Face ID again to confirm. Red Calendar 2026 now asks for authentication every time it opens.
The lock is an iPhone feature, so it works whether or not Red Calendar 2026 has a passcode of its own. It does not change what the app sends to its developer.
About Red Calendar 2026
| Developer | jaesung Lee |
| App Store category | Productivity (also Utilities) |
| Latest version | 10.1, released October 2026 |
| First released | December 2019 |
| Requires | iOS 18.0 or later |
| Size | 91 MB |
| Age rating | 4+ |
| Languages | 6 (EN, JA, KO, ZH, ZH, VI) |
| Bundle ID | net.blackturtle2.RedCalendar |
The current version shipped in October 2026, so the app is actively maintained and its label is likely current. Labels are updated by developers when practices change.
What the label cannot tell you
- A label is self-reported. Apple publishes the developer's answers and can reject apps that misrepresent them, but it does not independently verify what Red Calendar 2026 sends.
- It does not say where data is stored, how long it is kept, whether it is encrypted, or which companies receive it. The privacy policy covers those points.
- Optional data counts: if a feature lets you add something (a profile photo, a phone number), the type is listed even if you never use the feature.
- Data handled only on your iPhone is not 'collected', so a no-collection label is compatible with an app that reads your files locally.
- Third-party sign-in, payment processors and SDKs are supposed to be included, but a label can lag behind a new version.
The question to ask Red Calendar 2026's developer: Does it need to read my calendars, or only add events?
Red Calendar 2026 vs similar calendar planners
- Red Calendar 2026 (this app)
- Sea Calendar
- Simplish Planner & To Do List
- AJournal
- Daily Planner - Day Organizer
- PlanTodo
- TODAY by TownPlanner
- LockScreen Calendar Maker
Fewer types is not automatically safer: a cloud backup app has to collect your files to work. Compare like with like.
Look up any of our apps in seconds, or put two labels side by side.
Apps similar to Red Calendar 2026
All calendar planners → Who tracks you? A–Z → Apps that collect location → Privacy label decoder →
Your Red Calendar 2026 privacy checklist
Done. You have applied every control the label points to.
True or false?
- Right.Not quite.
True: it lists location, identifiers, usage data and diagnostics under Data Used to Track You.
- Right.Not quite.
Labels are self-reported by developers. Apple can reject or remove apps that misrepresent practices, but it does not audit each label.
- Right.Not quite.
True: Location appears on its label.
- Right.Not quite.
It is collected and sent; the developer says it is de-identified rather than tied to your account or device.
- Right.Not quite.
Apple's rules require apps to work the same whether or not you allow tracking.