Comparison

Rainbow Authenticator vs 2FA Authenticator

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

Head to head
About

Rainbow Authenticator

Features
Read full description

Allow to migrate from Google Authenticator, group your accounts, copy the next pin code

About

2FA Authenticator

This app provides robust digital security for your online accounts using end-to-end encryption. It simplifies adding accounts, securely backs up and syncs your data, and offers offline password generation. Manage all your passwords and generate strong ones with ease.

Highlights
  • Effortless account addition via QR code
  • Secure data backup and cross-device sync
  • Offline one-time password generation
  • Password manager for central organization
  • Customizable strong password generator
  • Face ID and Touch ID secure access
Features
Read full description

Authenticator App - Your Digital Security Guardian! Our authenticator app employs industry-leading end-to-end encryption to deliver security for your online accounts, ensuring every online interaction is safe and secure. Key Features: ● Effortless Account Addition: Simply scan a QR code to add accounts and receive one-time passwords (TOTP) for two-factor or multi-factor authentication (2FA/MFA). ● Secure Data Backup and Sync: Create encrypted backups on iCloud to ensure data security and synchronize across devices, providing access to important information anytime, anywhere. ● Robust Privacy Protection: Advanced encryption safeguards your in-app data, supports unique digital passwords, and offers quick, secure access via Face ID and Touch ID. ● Offline Password Generation: Generate one-time passwords (TOTP) stored locally, enhancing account security without the need for an internet connection. ● Extensive Platform Support: Compatible with thousands of major services, including Google, Facebook, Amazon, and Microsoft. ● Password Manager: Centrally manage various account passwords, organized for efficiency and security. ● Customizable Password Generator: Generate complex passwords with a single click, customizable in length and character types, ensuring robust account protection. Premium Membership Subscription: ● Payment will be charged to your iTunes account upon confirmation of purchase. ● Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. ● Your account will be charged for renewal within 24 hours prior to the end of the current period at the selected plan rate. ● Subscriptions can be managed by the user, and auto-renewal can be turned off by going to the user’s account settings after purchase. Relevant Agreements: ● Terms of Use: https://docs.qq.com/doc/DRHhqWFRCYkVSTXNk ● Privacy Policy: https://docs.qq.com/doc/DRGZ1U3FJWVhDY2RN Contact Us: For any questions or assistance, please contact us at watchaihelp@outlook.com. Act Now to Safeguard Your Digital Life!

Screenshots

Rainbow Authenticator4 screens
2FA Authenticator4 screens

Verdict

The call

The clearest difference is update cadence: 2FA Authenticator at every 6 days against Rainbow Authenticator's monthly. Rainbow Authenticator's advantage is iOS requirement (12.0 vs 15.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Rainbow Authenticator sells 1 in-app purchase, starting at $4.99 per year and 2FA Authenticator sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Rainbow Authenticator ships an update monthly, 2FA Authenticator every 6 days. The most recent releases landed on September 19, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 8 level
Rainbow Authenticator versus 2FA Authenticator: the parameters behind the verdict, then further details
ParameterRainbow Authenticator2FA Authenticator
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews—34.8% of reviews
Number of ratings—3 — better
Update frequencyMonthlyEvery 6 days — better
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size32 MB32 MB
Age rating4+4+
Developer彦欣 吴朝虹 陈

In-app purchases

1 purchases

Rainbow Authenticator

Subscriptions1
  • Yearly(30-day trial)1 Month trial$4.991 Year
4 purchases

2FA Authenticator

Subscriptions3
  • Authenticator Weekly3 Days trial$4.997 Days
  • Authenticator - Weekly3 Days trial$4.997 Days
  • Authenticator Yearly$39.991 Year
One-time1
  • Authenticator Lifetime$39.99

Questions

Is Rainbow Authenticator free?
Rainbow Authenticator is free to download, with in-app purchases available.
Is 2FA Authenticator free?
2FA Authenticator is free to download, with in-app purchases available.
Do Rainbow Authenticator or 2FA Authenticator have ads?
Neither Rainbow Authenticator nor 2FA Authenticator shows ads.
Which is updated more often, Rainbow Authenticator or 2FA Authenticator?
Rainbow Authenticator ships an update monthly, and 2FA Authenticator every 6 days. Most recently, Rainbow Authenticator was updated on September 19, 2026 and 2FA Authenticator on October 1, 2026.

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