Comparison

Auth vs TwoID

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

Head to head
About

Auth

This app generates time-based one-time passwords for multi-factor authentication. It supports iCloud sync for seamless access across devices and offers quick code copying. It also recognizes TOTP QR codes for easy setup.

Highlights
  • Time-based one-time password generation
  • iCloud Sync for multi-device access
  • Tap to copy authentication codes
  • TOTP QR code recognition
  • iOS Dark Theme support
Features
Read full description

Auth is a 2-factor authentication app that generates time-based one time passwords (TOTP). Simply tap on the generated code to copy it to your clipboard. Using iCloud shared clipboard you can paste the code on any of your devices. By enabling iCloud Sync your accounts are shared between all of your devices, allowing you to generate your authentication code on any of your devices. In settings you can enable AutoFill to automatically fill your verification codes from the Auth App. Note that this may require editing your existing codes to set the autofill websites - popular providers are auto-recognised and configured as far as possible. Features include: - iCloud Support - AutoFill - Supports iOS Dark Theme - Works with all the most popular websites - TOTP QR code recognition from the camera app or from photos

About

TwoID

Read full description

Keep your online accounts secure by enabling two-factor authentication, and keep your codes in easy reach with TwoID. • Store as many codes as you need • Copy codes with a single tap • Scan QR codes to set up new codes without hassle • Group codes and quickly filter to see only the codes you need • Customise colours and icons • Install the Apple Watch app to access codes from your wrist

Screenshots

Auth3 screens
TwoID3 screens

Verdict

The call

The clearest difference is in-app purchases: TwoID at none against Auth's 5. TwoID also leads on iOS requirement (14.0 vs 17.0). On price, update cadence, ads 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. Auth sells 5 one-off in-app purchases. TwoID asks for nothing beyond the download.

UpkeepUpdate frequency

Auth ships an update every 38 months, TwoID every 25 months. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 8 level
Auth versus TwoID: the parameters behind the verdict, then further details
ParameterAuthTwoID
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 38 monthsEvery 25 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod, Apple Watch — better
Requires iOS17.014.0 — better
Further details — not scored
Size2 MB3 MB
Age rating4+4+
DeveloperOliver HaymanEvitani Limited

In-app purchases

5 purchases

Auth

One-time5
  • Nice Tip$0.99
  • Kind Tip$2.99
  • Generous Tip$4.99
Show 2 more
  • Amazing Tip$9.99
  • Unbelievable Tip$19.99
None

TwoID

No in-app purchases

Questions

Is Auth free?
Auth is free to download, with in-app purchases available.
Is TwoID free?
TwoID is free to download, with no in-app purchases.
Do Auth or TwoID have ads?
Neither Auth nor TwoID shows ads.
Which is updated more often, Auth or TwoID?
Auth ships an update every 38 months, and TwoID every 25 months. Most recently, Auth was updated on October 3, 2026 and TwoID on October 8, 2026.

Other comparisons