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Is My Cloud OS 5 Safe?

My Cloud OS 5 privacy label · by Western Digital Technologies, Inc. · checked November 2026

  • Collects location
App Privacy label Developer-reported · checked November 1, 2026
Used to track you
0types

None declared

Linked to you
1type
Not linked to you
5types
Short answer

Mostly a question of trust: My Cloud OS 5 collects data linked to you but declares no tracking. The sensitive items are location. In total the label lists 6 data types; 29% of cloud storage apps we checked declare tracking.

At a glance

My Cloud OS 5 privacy in one look

Data exposure on the label
Linked to you
  1. 1
  2. 2
  3. 3
  4. 4

Built only from the developer's App Store label. It describes disclosure, not tested behaviour.

Verdict from the label
Linked to you, no tracking

My Cloud OS 5 collects 1 data type tied to your identity but declares no tracking.

Try it

Did My Cloud OS 5 ask for something?

Pick the permission prompt you saw. We compare it with what My Cloud OS 5's developer declared.

It asked me for access to…
Tap a prompt to compare it with the label.
Matches the label

My Cloud OS 5 lists Location on its label. Choose While Using and turn off Precise Location if the feature works without it.

Not on the label

User Content is not on My Cloud OS 5'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.

Not on the label

Contacts is not on My Cloud OS 5'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.

Not declared on the label

My Cloud OS 5 declares no tracking, so a tracking prompt would contradict its label. Decline it, and consider reporting the mismatch to Apple.

Not on the label

Health & Fitness is not on My Cloud OS 5'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.

Line by line

What My Cloud OS 5 collects, explained

Data typeWhat it coversWhere to limit it
LocationSensitiveNot linked 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.
Search HistoryNot linked to you Searches you run inside the app. Look for a clear-history or private-search option in the app.
Contact InfoLinked to you Your name, email address, phone number or postal address. Use Sign in with Apple with Hide My Email where offered, and check the app's account and marketing preferences.
IdentifiersNot linked 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 DataNot linked 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.
DiagnosticsNot linked 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.
Reading the label

What My Cloud OS 5's label means for you

My Cloud OS 5's label has 1 type under “Data Linked to You”, 5 types under “Data Not 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.

My Cloud OS 5 declares no tracking, which means the developer says it does not combine your data with other companies' data for advertising or sell it to data brokers. The data linked to you — contact info — is still tied to your identity, typically through an account, and is covered by the developer's privacy policy and retention rules.

The items that deserve the most attention are location. Location history reveals home, work and routines. Precise location deserves the most scrutiny.

Cloud storage apps exist to move your files off the phone, so collecting user content is expected. What differs is encryption, sharing defaults and what the provider can read. Review automatic camera upload, shared-link expiry and whether client-side encryption is available.

Among the 170 cloud storage apps in our snapshot with a label, 29% declare tracking, 64% collect data linked to you and 24% say they collect nothing. My Cloud OS 5 lists 6 data types, more than the average of 3.3 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.

On your iPhone

Settings to check for My Cloud OS 5

  1. 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. 2

    Location

    Settings › Privacy & Security › Location Services › My Cloud OS 5. Choose While Using or Never, and switch off Precise Location if a city-level answer is enough.

  3. 3

    Sign-in

    When creating an account, Sign in with Apple can give the app a relay address from Hide My Email instead of your real one.

  4. 4

    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.

  5. 5

    Notifications

    Settings › Notifications › My Cloud OS 5 › Show Previews: When Unlocked keeps message and account details off the Lock Screen.

Cross-app tracking

Does My Cloud OS 5 track you?

No tracking declared

There is no “Data Used to Track You” section on My Cloud OS 5's label.

Does My Cloud OS 5 track you? Full answer and how to stop it →

iOS 18 and later

Lock My Cloud OS 5 behind Face ID

  1. Find My Cloud OS 5 on your Home Screen or in App Library.
  2. Touch and hold the icon until the quick-actions menu opens.
  3. Tap Require Face ID (or Require Touch ID / Require Passcode, depending on your iPhone).
  4. Tap Require Face ID again to confirm. My Cloud OS 5 now asks for authentication every time it opens.

The lock is an iPhone feature, so it works whether or not My Cloud OS 5 has a passcode of its own. It does not change what the app sends to its developer.

From the App Store record

About My Cloud OS 5

DeveloperWestern Digital Technologies, Inc.
App Store categoryProductivity (also Business)
Latest version4.30.2, released July 2026
First releasedSeptember 2020
RequiresiOS 15.1 or later
Size104 MB
Age rating17+
Languages21 (CS, DA, NL, EN, FI, FR, DE, EL…)
Bundle IDcom.wdc.gza

The current version shipped in July 2026. That is recent enough that the label should reflect current practices, but check the App Store page again before relying on it.

Also by Western Digital Technologies, Inc.: SanDisk ibi, My Cloud Home.

Read with care

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 My Cloud OS 5 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 My Cloud OS 5's developer: Can the provider scan or read the files I upload?

How it compares

My Cloud OS 5 vs similar cloud storage apps

Data types listed on each App Store privacy label
Tracks youLinked to youNot linkedCollects nothing

Fewer types is not automatically safer: a cloud backup app has to collect your files to work. Compare like with like.

Checking another app?

Look up any of our apps in seconds, or put two labels side by side.

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All cloud storage apps → Who tracks you? A–Z → Apps that collect location → Privacy label decoder →

Do it now

Your My Cloud OS 5 privacy checklist

Tick what you have done
Tick each step as you do it on your iPhone.

Done. You have applied every control the label points to.

Quick quiz

True or false?

  1. Q1My Cloud OS 5's privacy label says it uses data to track you.
    Right.
    Not quite.

    False: there is no Data Used to Track You section on My Cloud OS 5's label.

  2. Q2Apple tests every app to confirm its privacy label is accurate.
    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.

  3. Q3My Cloud OS 5 collects Location.
    Right.
    Not quite.

    True: Location appears on its label, in the Not Linked to You section.

  4. Q4Data “Not Linked to You” is never sent off your iPhone.
    Right.
    Not quite.

    It is collected and sent; the developer says it is de-identified rather than tied to your account or device.

  5. Q5Tapping “Ask App Not to Track” can stop an app from working.
    Right.
    Not quite.

    Apple's rules require apps to work the same whether or not you allow tracking.

Questions people ask

My Cloud OS 5 privacy FAQ

Is My Cloud OS 5 safe to use?
Based on its App Store privacy label, my Cloud OS 5 collects 1 data type tied to your identity but declares no tracking. Whether that is acceptable depends on what you will store in it. The label is developer-reported, not an independent security test.
Does My Cloud OS 5 track you?
No. My Cloud OS 5's label has no Data Used to Track You section.
What data does My Cloud OS 5 collect?
Location, search history, contact info, identifiers, usage data and diagnostics. Of these, contact info is linked to your identity.
Who makes My Cloud OS 5?
Western Digital Technologies, Inc., according to the App Store. It was first released in September 2020 and the current version is 4.30.2.
Can I lock My Cloud OS 5 with Face ID?
On iOS 18 or later, touch and hold My Cloud OS 5's icon and choose Require Face ID (or Touch ID / Passcode). This is an iPhone feature and works for most downloaded apps, whether or not the app has its own lock. If you don't see the option, update iOS.
How does My Cloud OS 5 compare with other cloud storage apps?
Across 170 cloud storage apps with labels in our snapshot, 29% declare tracking and 24% say they collect no data. My Cloud OS 5 lists 6 data types against an average of 3.3.
Can the provider scan or read the files I upload?
The privacy label cannot answer that. Look for it in My Cloud OS 5's privacy policy or support pages, linked from the App Store listing. Review automatic camera upload, shared-link expiry and whether client-side encryption is available.
How do I delete my data from My Cloud OS 5?
Apps that let you create an account must also let you start account deletion from inside the app (an App Store rule since June 2022). Deleting the app from your iPhone alone does not delete data already sent to the developer.

For photos and documents you choose to keep apart from your main library, see VaultForYou.

Facts on this page come from My Cloud OS 5 on the App Store, as reported by the developer. Checked 2026-11-01. How we collect data · Report a correction