Comparison

2FA Authenticator (2FAS) vs Days Left Year Progress

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

Head to head
About

2FA Authenticator (2FAS)

Securely log in to your online accounts with two-factor authentication. This app protects your personal data and passwords from cyber threats with a simple, private, and open-source solution. It offers easy token restoration, app protection, and offline functionality.

Highlights
  • Two-factor authentication
  • Token backup and restore
  • App protection with passcode/biometrics
  • Open-source and transparent
  • Offline functionality
  • Cross-device sync
  • One-tap authentication with browser extensions
Features
Read full description

2FAS is the easiest way to enable two-factor authentication (or multi-factor authentication) to verify your identity and securely log in to accounts to keep your personal data and passwords protected from cyber threats — all from one app, 100% free! The world’s most secure, private, and simple 2FA app. Secure: • Easily restore your tokens with backups. • Add app protection with your passcode or biometrics. • 2FAS is open-source, transparent, and community-driven. Simple: • 2FAS syncs across your mobile devices. • An interface designed for simplicity. • One-tap authentication with 2FAS Browser Extensions. • Multi-language support. • Quick guides for setup and support. Private: • 2FAS works offline. • 2FAS doesn't store any passwords or metadata. • 100% anonymous use, no account required. It’s not too late to protect your data, so what are you waiting for? Protect your online accounts and services now with TOTP and HOTP algorithms. Start using the 2FAS authenticator app today! If you have any questions, talk with us on our Discord server: https://discord.gg/q4cP6qh2g5 Learn more about 2FAS: • Check our GitHub repository: https://github.com/twofas • Visit our website at: https://2fas.com/ • Follow us on X: https://x.com/2FAS_com • Subscribe on YouTube: https://www.youtube.com/@2FAS

About

Days Left Year Progress

Features
Read full description

Days Left turns time into something you can actually see — right on your home screen. Three widget types. One app. Zero clutter. COUNTDOWN WIDGETS Add a countdown to anything with a deadline — a trip, a wedding, a deadline, an exam. See exactly how many days, hours, and minutes are left, pinned to your home screen. YEAR PROGRESS WIDGETS Watch the whole year fill in, one dot per day. 365 dots, today glowing in your chosen color. See how much of the year is gone — and how much is left — at a glance. RELATIONSHIP WIDGETS Track how long you've been with someone. Add a photo, pick a start date, and watch the years, days, and hours count up live on your home screen. MAKE IT YOURS Pick an accent color — green, blue, purple, pink, orange, red, yellow, white. It shows up everywhere: dots, widgets, progress bars. FAST, QUIET, PRIVATE No account. No tracking. No ads. Everything stays on your device. WHY IT EXISTS Time is easier to spend when you can't see it. Days Left makes it visible — one dot, one countdown, one relationship at a time. A ONE-TIME PURCHASE Buy it once, keep it forever. No subscription, no "Pro" tier. Everything unlocked. Feedback? We read every message: schmalze6@gmail.com

Screenshots

2FA Authenticator (2FAS)4 screens
Days Left Year Progress4 screens

Verdict

The call

The clearest difference is update cadence: Days Left Year Progress at every 10 days against 2FA Authenticator (2FAS)'s monthly. Days Left Year Progress also leads on iOS requirement (14.0 vs 18.6). On ads, in-app purchases 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

UpkeepUpdate frequency

2FA Authenticator (2FAS) ships an update monthly, Days Left Year Progress every 10 days. The most recent releases landed on October 17, 2026 and September 29, 2026 respectively.

Scorecard2 real differences · 8 level
2FA Authenticator (2FAS) versus Days Left Year Progress: the parameters behind the verdict, then further details
Parameter2FA Authenticator (2FAS)Days Left Year Progress
PriceFree — better—
Rating4.7 (35K ratings) — better—
Positive reviews77.4% of reviews—
Number of ratings35K — better—
Update frequencyMonthlyEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS18.614.0 — better
Further details — not scored
Size80 MB21 MB
Age rating4+4+
DeveloperTwo Factor Authentication Service Inc.Eaven-Rene Schmalz

Bugs and requests

2FA Authenticator (2FAS)

Reported bugs

3 issues
  • Tokens disappearing after device changes
  • Push notification failures
  • Incompatibility with older devices

Requested features

5 requests
  • Alphanumeric passcode option
  • Custom icon uploads
  • Apple Watch app
  • Desktop/web app
  • Improved support and communication

Days Left Year Progress

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

2FA Authenticator (2FAS)

No in-app purchases

None

Days Left Year Progress

No in-app purchases

Questions

Is 2FA Authenticator (2FAS) free?
2FA Authenticator (2FAS) is free to download, with no in-app purchases.
Is Days Left Year Progress free?
Pricing for Days Left Year Progress is not currently listed on the App Store.
Do 2FA Authenticator (2FAS) or Days Left Year Progress have ads?
Neither 2FA Authenticator (2FAS) nor Days Left Year Progress shows ads.
Which is updated more often, 2FA Authenticator (2FAS) or Days Left Year Progress?
2FA Authenticator (2FAS) ships an update monthly, and Days Left Year Progress every 10 days. Most recently, 2FA Authenticator (2FAS) was updated on October 17, 2026 and Days Left Year Progress on September 29, 2026.

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