Comparison

Two factor authenticator vs Roster Helper

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

Head to head
About

Two factor authenticator

Features
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We adds an extra layer of security to your online accounts by adding a second step of verification when you sign in. This means that in addition to your password, you'll also need to enter a code that is generated by our app on your phone. The verification code can be generated by our app on your phone, even if you don't have a network or cellular connection. โ€ข Sync your Authenticator codes to your accounts and across your devices. This way, you can always access them even if you lose your phone. โ€ข Set up your Authenticator accounts automatically with a QR code. This is quick and easy, and it helps to ensure that your codes are set up correctly. โ€ข Support for multiple accounts. You can use the Authenticator app to manage multiple accounts, so you don't have to switch between apps every time you need to sign in. โ€ข Support for time-based and counter-based code generation. You can choose the type of code generation that best suits your needs. โ€ข Transfer accounts between devices with a QR code. This is a convenient way to move your accounts to a new device. To use app with accounts, you need to enable 2-Step Verification on your accounts. Terms of use: https://devworldvn.com/term Privacy link: https://devworldvn.com/privacy

About

Roster Helper

Features
Read full description

Roster Helper is a roster companion for airline crew. Import your schedule from your airline's crew portal and see flights, standby, training, days off, positioning and layovers in clear month and timeline views. Open any duty for report times, block time, crew, aircraft and flight details. Export to AeroWeather, LogTen Pro, PILOTLOG and more. Supported airlines: - GetJet Airlines - RAIDO - Heston Airlines - RAIDO - Wizz Air - AIMS eCrew (roster import and history) - FlyOne - crewconnex - More airlines coming soon - if your airline gives you a crew portal, write to us and we will add it Pro adds: - Statistics and Friends - Crew tools and roster sharing - GetJet Swaps: offer duties, review matching offers and prepare Crew Control requests - Subscribable calendars and logbook exports - Weather, trip and hotel information - Revision history Widgets and the Apple Watch app keep your next duty close at hand. Roster data is encrypted on your device. Signing in uses the crew portal account issued by your airline; Roster Helper is an independent app, not endorsed by, operated by any airline. Pro includes a 14-day free trial. Subscriptions renew automatically and can be managed in your App Store account. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://rosterhelper.app/privacy/

Screenshots

Two factor authenticator4 screens
Roster Helper4 screens

Verdict

The call

The clearest difference is in-app purchases: Roster Helper at none against Two factor authenticator's 3. Roster Helper also leads on ads (none vs shown) and update cadence (every 5 days vs monthly). Two factor authenticator's advantage is iOS requirement (15.0 vs 18.0). On price and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Two factor authenticator sells 3 in-app purchases, starting at $1.99 per 7 days. Roster Helper asks for nothing beyond the download.

UpkeepUpdate frequency

Two factor authenticator ships an update monthly, Roster Helper every 5 days. The most recent releases landed on September 23, 2026 and September 28, 2026 respectively.

Scorecard4 real differences ยท 2 level
Two factor authenticator versus Roster Helper: the parameters behind the verdict, then further details
ParameterTwo factor authenticatorRoster Helper
PriceFreeFree
Update frequencyMonthlyEvery 5 days โ€” better
AdsYesNo โ€” better
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.0 โ€” better18.0
Further details โ€” not scored
Size45 MB21 MB
Age rating4+4+
Developernguyen thanhArthur Weingart

In-app purchases

3 purchases

Two factor authenticator

Subscriptions3
  • 1 Week Premium$1.997 Days
  • One Month Premium$4.991 Month
  • 1 Year Premium3 Days trial$19.991 Year
None

Roster Helper

No in-app purchases

Questions

Is Two factor authenticator free?
Two factor authenticator is free to download, with in-app purchases available.
Is Roster Helper free?
Roster Helper is free to download, with no in-app purchases.
Do Two factor authenticator or Roster Helper have ads?
Two factor authenticator shows ads; Roster Helper does not.
Which is updated more often, Two factor authenticator or Roster Helper?
Two factor authenticator ships an update monthly, and Roster Helper every 5 days. Most recently, Two factor authenticator was updated on September 23, 2026 and Roster Helper on September 28, 2026.

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