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Is File Master Safe?

File Master privacy label · by 俐 马 · checked November 2026

  • Tracks you
  • Recently updated
App Privacy label Developer-reported · checked November 1, 2026
Used to track you
1type
Linked to you
0types

None declared

Not linked to you
1type
Short answer

It depends on how you feel about tracking: File Master 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 1 data type; 45% of file managers we checked declare tracking.

At a glance

File Master privacy in one look

Data exposure on the label
Used to track 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
Tracks you

File Master's developer reports using identifiers to track you across other companies' apps and websites.

Try it

Did File Master ask for something?

Pick the permission prompt you saw. We compare it with what File Master's developer declared.

It asked me for access to…
Tap a prompt to compare it with the label.
Not on the label

Location is not on File Master'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

User Content is not on File Master'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 File Master'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.

Expected — and you can decline

File Master 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.

Not on the label

Health & Fitness is not on File Master'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 File Master collects, explained

Data typeWhat it coversWhere to limit it
IdentifiersUsed to track youNot 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.
Reading the label

What File Master's label means for you

File Master's label has 1 type under “Data Used to Track You”, 1 type 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.

Tracking is the declaration that most separates apps. It means identifiers from File Master 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.

File managers connect to cloud drives, servers and your Files app. The app can see whatever you open in it. Review connected accounts, and remove ones you no longer use from both the app and the cloud provider's security page.

Among the 112 file managers in our snapshot with a label, 45% declare tracking, 51% collect data linked to you and 36% say they collect nothing. File Master lists 1 data type, about the same as the average of 1.5 for this group.

Business apps often handle other people's data — clients, colleagues and customers — so what they collect can affect more than you.

On your iPhone

Settings to check for File Master

  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

    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. 3

    Notifications

    Settings › Notifications › File Master › Show Previews: When Unlocked keeps message and account details off the Lock Screen.

Cross-app tracking

Does File Master track you?

Yes — 1 data type

Identifiers. 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 File Master track you? Full answer and how to stop it →

iOS 18 and later

Lock File Master behind Face ID

  1. Find File Master 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. File Master now asks for authentication every time it opens.

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

From the App Store record

About File Master

Developer俐 马
App Store categoryBusiness (also Utilities)
Latest version3.10, released October 2026
First releasedNovember 2017
RequiresiOS 15.0 or later
Size159 MB
Age rating17+
Languages48 (AF, AR, BE, BS, KM, CA, HR, CS…)
Bundle IDcom.filemanger.filemastor

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 俐 马: Video compressor, Voice Calculator Human speak.

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 File Master 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 File Master's developer: Which of my connected accounts can this app reach?

How it compares

File Master vs similar file managers

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 file managers → Who tracks you? A–Z → Apps that collect identifiers → Privacy label decoder →

Do it now

Your File Master 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. Q1File Master's privacy label says it uses data to track you.
    Right.
    Not quite.

    True: it lists identifiers under Data Used to Track You.

  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. Q3File Master collects Identifiers.
    Right.
    Not quite.

    True: Identifiers appears on its label.

  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

File Master privacy FAQ

Is File Master safe to use?
Based on its App Store privacy label, file Master's developer reports using identifiers to track you across other companies' apps and websites. Whether that is acceptable depends on what you will store in it. The label is developer-reported, not an independent security test.
Does File Master track you?
Yes. Its label lists identifiers under Data Used to Track You. You can decline at the iOS tracking prompt.
What data does File Master collect?
Identifiers. Of these, identifiers is linked to your identity.
Who makes File Master?
俐 马, according to the App Store. It was first released in November 2017 and the current version is 3.10.
Can I lock File Master with Face ID?
On iOS 18 or later, touch and hold File Master'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 File Master compare with other file managers?
Across 112 file managers with labels in our snapshot, 45% declare tracking and 36% say they collect no data. File Master lists 1 data type against an average of 1.5.
Which of my connected accounts can this app reach?
The privacy label cannot answer that. Look for it in File Master's privacy policy or support pages, linked from the App Store listing. Review connected accounts, and remove ones you no longer use from both the app and the cloud provider's security page.
How do I delete my data from File Master?
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.
Facts on this page come from File Master on the App Store, as reported by the developer. Checked 2026-11-01. How we collect data · Report a correction