Comparison

Cent vs Authenticator & Notes

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

Head to head
About

Cent

This utility app provides instant answers to common percentage calculation questions. It handles various scenarios, from finding a percentage of a number to calculating increases, decreases, and original values after a percentage change.

Highlights
  • Calculate X% of Y
  • Find percentage difference
  • Calculate percentage increase/decrease
  • Determine original value
  • Instant calculation results
Features
Read full description

Cent is a lightweight app for fast percentage calculations. It’s designed to help you get answers instantly for questions like: - What is X% of Y? - X is what percentage of Y? - What’s the percentage increase or decrease from X to Y? - If X increases or decreases by Y%, what’s the result? - If a value becomes Y after changing by X%, what was the original amount? Cent is completely free to use. If you find it helpful, you can support it by leaving a review or purchasing an optional in-app tip.

About

Authenticator & Notes

Features
Read full description

Lockat is a privacy-first two-factor authentication app built natively for iOS. It generates time-based one-time passwords (TOTP) to protect your online accounts β€” with no trackers, no analytics, and no data leaving your device. YOUR SECRETS STAY ON YOUR DEVICE Lockat stores your authentication secrets in the iOS Keychain, protected by Apple's hardware-level encryption. They never leave your device and are never transmitted over the network. SYNC ACROSS YOUR APPLE DEVICES Account metadata syncs seamlessly via iCloud, so your codes are available on every iPhone, iPad, and Mac signed in with your Apple ID. Your secrets remain safely stored in each device's Keychain. ORGANIZED YOUR WAY Create folders to group your accounts by service, project, or however you like. Search across all your codes instantly and sort by name, issuer, or date added. EASY IMPORT Scan QR codes from Google Authenticator exports to migrate all your accounts at once. You can also add accounts one by one via camera or manual entry. SECURE BY DEFAULT Lock the app with Face ID, Touch ID, or your device passcode. Lockat automatically locks when you switch away, so your codes are always protected. KEY FEATURES - QR code scanning via camera or photo library - Import from Google Authenticator exports (more services to import from coming soon) - Export accounts as QR codes for backup or migration - Full-text search across accounts - iCloud sync across Apple devices - App lock with biometrics or passcode - No account required β€” just install and go - No ads, no trackers, no analytics WITH LOCKAT PRO - Folder-based organization - Multiple sort options - Customizable accent colors and app icons Your security should be simple, private, and reliable. That's Lockat. Lockat uses Apple's standard End User License Agreement. You can view it here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Cent3 screens
Authenticator & Notes3 screens

Verdict

The call

Cent and Authenticator & Notes are too close to call on the numbers: across 5 compared parameters β€” price, ads, in-app purchases and device support among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Cent sells 3 one-off in-app purchases and Authenticator & Notes sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Cent versus Authenticator & Notes: the parameters behind the verdict, then further details
ParameterCentAuthenticator & Notes
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyβ€”Every 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesβ€”
DevicesiPhone, iPad, Mac β€” betteriPhone, iPad
Requires iOS17.0 β€” better18.6
Further details β€” not scored
Size6 MB71 MB
Age rating4+4+
DeveloperLoop Apps LTDALuiz Antonio Rosa Cardoso

In-app purchases

3 purchases

Cent

One-time3
  • Small Coffee$0.99
  • Medium Coffee$1.99
  • Large Coffee$2.99
3 purchases

Authenticator & Notes

Subscriptions2
  • Lockat Pro Monthly$1.991 Month
  • Lockat Pro Yearly$19.991 Year
One-time1
  • Lockat Pro Lifetime$29.99

Questions

Is Cent free?
Cent is free to download, with in-app purchases available.
Is Authenticator & Notes free?
Authenticator & Notes is free to download, with in-app purchases available.
Do Cent or Authenticator & Notes have ads?
Neither Cent nor Authenticator & Notes shows ads.

Other comparisons