Authenticator App vs Rainbow Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Authenticator App
Secure your online accounts with this app that manages all your two-factor authentication (2FA) codes in one place. It offers seamless syncing across devices, organized folders, and encrypted backups for peace of mind. Personalize your experience with custom icons and themes for easy account recognition.
- Manage all 2FA codes in one app
- Seamless sync across Apple devices
- Encrypted backups for code protection
- Organize accounts with folders
- Custom icons and themes
- iOS & macOS widgets for quick access
Read full descriptionHide full description
Take control of your digital security with Sentinel Authenticator, the trusted way to manage and protect your two-factor authentication (2FA) codes. Fully compatible with Google Authenticator, Authy, and all other authenticators – making it effortless to switch or use alongside your existing apps. /// Why Sentinel Authenticator? • All Your Codes, One App – Store and manage every 2FA code in a single, secure place. • Seamless Sync – Keep your codes up to date across all Apple devices with iCloud Keychain (encrypted by Apple) or Sentinel Cloud with end-to-end encryption. • Organized & Accessible – Create folders for work and personal accounts to find what you need faster. • Never Lose Access – Encrypted backups protect your codes so you always stay in control. /// Personalization & Ease of Use • 900+ Custom Icons for instant account recognition • 8+ Themes & Layouts including Modern, Classic, Focus, and more • iOS & macOS Widgets for quick access to your 2FA codes /// Always Here for You Need help? Contact us at hello@getsentinel.io – we usually respond within an hour. Protect your accounts today. Download Sentinel Authenticator now and secure apps like Instagram, Google, Binance, Kraken, Robinhood, Discord, and Twitch. For further details, review our policies: Terms of Service: https://getsentinel.io/terms-of-service Privacy Policy: https://getsentinel.io/privacy-policy
Rainbow Authenticator
Read full descriptionHide full description
Allow to migrate from Google Authenticator, group your accounts, copy the next pin code
Screenshots
Verdict
The clearest difference is iOS requirement: Rainbow Authenticator at 12.0 against Authenticator App's 16.0. On price, update cadence, ads and in-app purchases 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
Both are free to download. Authenticator App sells 3 in-app purchases, starting at $1.99 per month and Rainbow Authenticator sells 1 in-app purchase, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.
Authenticator App ships an update fortnightly, Rainbow Authenticator monthly. The most recent releases landed on September 29, 2026 and September 19, 2026 respectively.
| Parameter | Authenticator App | Rainbow Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (32 ratings) — better | — |
| Positive reviews | 72.4% of reviews | — |
| Number of ratings | 32 — better | — |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 50 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Tommaso Carpi | 彦欣 吴 |
Bugs and requests
Authenticator App
Reported bugs
12 issues- Widgets not working on Mac Desktop and iPhone
- App stuck on loading tokens
- Syncing issues between devices
- Codes not working for specific services (Discord, Amazon)
- Unexpected charges/multiple purchases
Show 7 moreShow fewer
- Loading screen issues on iPhone 12 Pro Max (resolved)
- Paid features (dark mode) removed/changed
- Cannot delete items
- Cannot rename accounts
- Cannot edit accounts
- Cannot reorder accounts
- Inconsistent widget behavior
Requested features
17 requests- Ability to reorder/hide folders
- Sort accounts by email address or service
- Show duplicates
- Show date service added
- Backup options (more explicit)
Show 12 moreShow fewer
- Start on login option
- Ability to delete items
- Ability to rename accounts
- Ability to edit accounts
- Ability to reorder accounts
- Watch companion app
- More customization options
- Add password keeper in details page
- Improve widget functionality
- Add Chinese language support
- Increase account limit beyond two for free tier
- Easier export of all keys
Rainbow Authenticator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Authenticator App
- Monthly Subscription$1.991 Month
- Annual Subscription7 Days trial$9.991 Year
- Lifetime Access2 variants$39.99
Rainbow Authenticator
- Yearly(30-day trial)1 Month trial$4.991 Year
Questions
Is Authenticator App free?
Is Rainbow Authenticator free?
Do Authenticator App or Rainbow Authenticator have ads?
Which is updated more often, Authenticator App or Rainbow Authenticator?
Other comparisons
