Comparison

Google Smart Lock vs Calculator Lock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Google Smart Lock

Securely log in to websites and apps using your phone's built-in security key or a physical Bluetooth key. It simplifies access by remembering your passwords and offering a more convenient sign-in experience.

Highlights
  • Use phone as security key
  • Use Bluetooth security key
  • Password saving
  • Simplified sign-in
  • Secure access
Currently charting
Read full description

Smart Lock allows you to use your Bluetooth security key or set up the security key built in to your phone.

About

Calculator Lock

Securely hide your private photos, videos, contacts, and passwords behind a disguised calculator interface. Protect your sensitive files with a secret vault and access them only through the app's unique interface. Features include intruder selfies and cloud backups.

Highlights
  • Photo hiding
  • Video hiding
  • Contact hiding
  • Password manager
  • Disguise mode
  • Intruder selfie
  • Cloud backup
Features
Read full description

Calculator Lock is photo hiding app where you can hide Photo, video lock, under Secret Vault protected by hidden calculator Lock app. This Secret photo vault calculator video vault is just work as photo lock and video locker where you can lock your files like, gallery Vault. Vault app can get photo album, gallery or file manager private photos, videos, movies and you can play hidden videos inside Calculator Vault. It has a Built-in Photo Viewer to view lock photo. It is Easy to Manage, Delete, Unhide, hide Pictures in gallery vault. It also provides you with other useful functions, including Vault app, video locker, Secure vault, Hide Photo etc. ●● Secret calculator vault Key Features ●● ===================================== ● Photo hide Photo lock will be stored data in hidden photo vault calculator to access by photo lock app. Hide Photo will not be shown in any other vault app, photo album, gallery vault or file manager. You can play or view all your locked photos inside a safe calculator app with an amazing Inbuilt Image viewer. ● Hide Video Inside Video vault you can play lock video by Secure vault with inbuild video player. when you hide my photo keep others away from your private video lock. You can hide video inside Secret Calculator safe. The calculator app hider provides you to lock video and play that video lock inside the app. ● Hidden calculator vault app The calculator vault app provides you so many new futures besides photo lock and video lock. Inside safe Calculator app hider you can create new contact and hide contact. ● Lock files in secret gallery Photo hiding app you can create & share your Personal Notes, hide Contact, hide pics within secret calculator app without exporting it. You can access it inside the calculator app hider ● My Password Manager My Password Manager is unique future for HidePass where you can Hide Password and store all password with protected files, and can only be see inside hidden gallery lock. Secure Vault has password lock in encrypted formats with Secret calculator app. ● Restore media in private photo vault You can Restore all of your data from secret photo vault, once you open app to hide pictures inside hidden gallery lock, you can anytime export secret gallery lock data within Secret Calculator and it will move from Secret vault to your phone. ● Disguise Mode in Spy calculator Lock Calculator Lock has Disguise Mode feature that enables users to change the app's icon or logo to something less conspicuous, providing an extra layer of privacy and security. ● Intruder selfie in Photo Lock App Snap Intruder Capture selfie photos of Intruder when someone tries to break in your Secret vault with wrong passwords. ● iCloud Backup and Google Drive Backup Securely back up your data using Google Drive or iCloud backup options. This feature ensures that your data safely stored and can be restored whenever needed. ● App Migration Easily migrate your data from an old device to a new one it allows seamless transfer of all your data ensuring you don't lose any data during the transition. -----------FAQ----------- Q: How to open? A: Enter your password on hidden calculator photo vault and press '=' button to open. Q: What if I forget my password? A: You can enter “11223344=” for master reset your password by verifying your security question and reset the password. => IMPORTANT - Calculator Lock - Photo Lock & safe Calculator Vault app does not copy or store your Photos, Videos, Audio, Contacts, Notes, Passwords, etc. - Do not uninstall Calculator Vault - Secure Vault app otherwise, all your files will be lost forever. Here is EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://calculatorlock.macymind.com/privacy-policy-calculator-lock.php

Screenshots

Google Smart Lock4 screens
Calculator Lock4 screens

Verdict

The call

The clearest difference is review sentiment: Calculator Lock at 76% against Google Smart Lock's 9%. Calculator Lock also leads on rating (4.6 vs 2.5) and update cadence (every 2 weeks vs every 2 months). Google Smart Lock's advantage is in-app purchases (none vs 7) and ads (none vs shown). On price, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Calculator Lock sells 7 in-app purchases, starting at $1.99 per 7 days. Google Smart Lock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Calculator Lock holds the better App Store score, 4.6 against 2.5. That said, the two scores are not equally well evidenced: Calculator Lock has 6.1K ratings behind it against 614, so its average is the more settled of the two. Written reviews point the same way: 9% of Google Smart Lock's written reviews are positive against 76% of Calculator Lock's.

UpkeepUpdate frequency

Google Smart Lock ships an update every 2 months, Calculator Lock every 2 weeks. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

Scorecard8 real differences · 3 level
Google Smart Lock versus Calculator Lock: the parameters behind the verdict, then further details
ParameterGoogle Smart LockCalculator Lock
PriceFreeFree
Rating2.5 (614 ratings)4.6 (6.1K ratings) — better
Positive reviews9.4% of reviews75.7% of reviews — better
Number of ratings6146.1K — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#124 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size56 MB80 MB
Age rating4+17+
DeveloperGoogleZipoApps

Customer experience

Google Smart Lock

All ratings614 ratings
Positive35.2%
Neutral3.6%
Negative61.2%
Written reviews308 reviews
Positive9.4%
Neutral2.9%
Negative87.7%

Calculator Lock

All ratings6,102 ratings
Positive88.7%
Neutral4.0%
Negative7.3%
Written reviews115 reviews
Positive75.7%
Neutral6.1%
Negative18.3%

User reviews

Google Smart Lock

From 614 App Store ratings

What we love

  • 🚀 Works fine
  • 🔒 Adds extra security layer
  • 👍 Useful app

Room to improve

  • 🐛 Crashes on iOS 18 update
  • 🐛 Doesn't work with Yubikey
  • 🐛 Doesn't work with child accounts
  • 🐛 Unreliable, constant issues
  • 🐛 Locked out of accounts

Calculator Lock

From 6.1K App Store ratings

What we love

  • 🔒 Hidden app
  • 👍 Good features
  • 👍 Simple and easy to use
  • 🔒 Secure vault for photos, videos, and passwords

Room to improve

  • 🐛 Buggy (doesn't save downloaded videos, can't paste in notes)
  • 🔍 App name not very discreet
  • 💸 Too much advertising

Bugs and requests

Google Smart Lock

Reported bugs

4 issues
  • Crashes on launch
  • Doesn't detect nearby devices
  • Endless login loop
  • Incompatible with latest iOS

Requested features

3 requests
  • Support for NFC security keys
  • Easier setup and usage
  • Better compatibility with other devices

Calculator Lock

Reported bugs

4 issues
  • Doesn't save downloaded videos to gallery
  • Can't paste information in notes
  • Intruder selfie feature not working
  • App icon change not working

Requested features

3 requests
  • Ability to change app name
  • Sync between devices
  • Ability to paste information in notes

In-app purchases

None

Google Smart Lock

No in-app purchases

7 purchases

Calculator Lock

Subscriptions3
  • Calculator Lock Pro Weekly$1.997 Days
  • Hide Photos & Videos3 Days trial$4.991 Month
  • Calculator Lock Pro Yearly$14.991 Year
One-time4
  • Remove Ads$3.99
  • Calculator Lock (Remove Ads)$3.99
  • Calculator Lock Pro (Discount)$14.99
Show 1 more
  • Calculator Lock Pro (Lifetime)$29.99

Questions

Is Google Smart Lock free?
Google Smart Lock is free to download, with no in-app purchases.
Is Calculator Lock free?
Calculator Lock is free to download, with in-app purchases available.
Which has better reviews, Google Smart Lock or Calculator Lock?
Calculator Lock is rated higher. Google Smart Lock averages 2.5 out of 5 from 614 ratings, while Calculator Lock averages 4.6 from 6.1K ratings.
Do Google Smart Lock or Calculator Lock have ads?
Calculator Lock shows ads; Google Smart Lock does not.
Which is updated more often, Google Smart Lock or Calculator Lock?
Google Smart Lock ships an update every 2 months, and Calculator Lock every 2 weeks. Most recently, Google Smart Lock was updated on September 24, 2026 and Calculator Lock on September 23, 2026.

Other comparisons