None declared
It depends on how you feel about tracking: Vertical Calendar declares data used to track you. None of it falls in Apple's most sensitive categories (health, financial, location, contacts or your own content). In total the label lists 2 data types; 41% of calendar planners we checked declare tracking.
Vertical Calendar 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.
Vertical Calendar's developer reports using usage data, diagnostics to track you across other companies' apps and websites.
Did Vertical Calendar ask for something?
Pick the permission prompt you saw. We compare it with what Vertical Calendar's developer declared.
Location is not on Vertical Calendar'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.
User Content is not on Vertical Calendar'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 Vertical Calendar'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.
Vertical Calendar 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 Vertical Calendar'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 Vertical Calendar collects, explained
| Data type | What it covers | Where to limit it |
|---|---|---|
| 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 Vertical Calendar's label means for you
Vertical Calendar's label has 2 types under “Data Used to Track You”, 2 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 usage data, diagnostics from Vertical Calendar 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.
None of the data types fall into the categories most people consider sensitive: health, financial information, precise location, contacts, browsing history or the content you create.
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. Vertical Calendar lists 2 data types, about the same as 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 Vertical Calendar
- 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
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.
- 3
Notifications
Settings › Notifications › Vertical Calendar › Show Previews: When Unlocked keeps message and account details off the Lock Screen.
Does Vertical Calendar track you?
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 Vertical Calendar track you? Full answer and how to stop it →
Lock Vertical Calendar behind Face ID
- Find Vertical Calendar 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. Vertical Calendar now asks for authentication every time it opens.
The lock is an iPhone feature, so it works whether or not Vertical Calendar has a passcode of its own. It does not change what the app sends to its developer.
About Vertical Calendar
| Developer | Naoki Otsu |
| App Store category | Productivity (also Business) |
| Latest version | 2.28.0, released October 2026 |
| First released | September 2025 |
| Requires | iOS 15.1 or later |
| Size | 52 MB |
| Age rating | 4+ |
| Languages | 24 (CS, DA, NL, EN, FR, DE, HI, HU…) |
| Bundle ID | app.web.tategatacalendar |
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.
Also by Naoki Otsu: Password Manager Clipboard, Check Calendar.
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 Vertical Calendar 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 Vertical Calendar's developer: Does it need to read my calendars, or only add events?
Vertical Calendar vs similar calendar planners
- Pencil Planner & Calendar Pro
- Calendar Op.2
- Awesome Calendar 2
- Vertical Calendar (this app)
- Vantage Calendar
- Yearly Planner
- 52 Week Planner
- eCalendar
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 Vertical Calendar
All calendar planners → Who tracks you? A–Z → Apps that collect usage data → Privacy label decoder →
Your Vertical Calendar privacy checklist
Done. You have applied every control the label points to.
True or false?
- Right.Not quite.
True: it lists 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: Usage Data 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.