# CA Mobile Authenticator vs Mobile OTP Authenticator

The clearest difference is review sentiment: Mobile OTP Authenticator at 100% against CA Mobile Authenticator's 4%. Mobile OTP Authenticator also leads on rating (3.5 vs 1.9). CA Mobile Authenticator's advantage is ratings volume (11 vs 2) and iOS requirement (12.0 vs 15.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Mobile OTP Authenticator holds the better App Store score, 3.5 against 1.9. That said, the two scores are not equally well evidenced: CA Mobile Authenticator has 11 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 4% of CA Mobile Authenticator's written reviews are positive against 100% of Mobile OTP Authenticator's.

CA Mobile Authenticator ships an update every 6 months, Mobile OTP Authenticator every 8 months. The most recent releases landed on October 11, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | CA Mobile Authenticator | Mobile OTP Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (11 ratings)](https://appshunter.io/ios/app/ca-mobile-authenticator/id1180629016/reviews) | **[3.5 (2 ratings)](https://appshunter.io/ios/app/mobile-otp-authenticator/id1451459963/reviews)** |
| Number of ratings | **11** | 2 |
| Positive reviews | 3.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 7 MB | 2 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CA, Inc](https://appshunter.io/developer/400519643) | [Albert Parti](https://appshunter.io/developer/534966701) |

## What reviewers say

### CA Mobile Authenticator

[App page](https://appshunter.io/ios/app/ca-mobile-authenticator/id1180629016)

Enhance transaction security with two-factor authentication. Register your device and authenticate transactions via push notifications, simply approving or denying requests directly from your screen.

**Highlights:** Two-factor authentication, Device registration, QR code activation, Push notification authentication, Approve/Deny transaction options

**Features:** macOS Compatibility

**In-app purchases:** none


### Mobile OTP Authenticator

[App page](https://appshunter.io/ios/app/mobile-otp-authenticator/id1451459963)

Securely manage your two-factor authentication codes. Easily add accounts by scanning QR codes or manual entry. Protect your online accounts with industry-standard HOTP and TOTP algorithms.

**Highlights:** QR code scanning for account setup, Manual account entry, Secure data storage in iOS Keychain, Supports HOTP and TOTP algorithms, Works with popular services like Google, Facebook, Amazon

**In-app purchases:** none


## Frequently asked questions

### Is CA Mobile Authenticator free?

CA Mobile Authenticator is free to download, with no in-app purchases.

### Is Mobile OTP Authenticator free?

Mobile OTP Authenticator is free to download, with no in-app purchases.

### Which has better reviews, CA Mobile Authenticator or Mobile OTP Authenticator?

Mobile OTP Authenticator is rated higher. CA Mobile Authenticator averages 1.9 out of 5 from 11 ratings, while Mobile OTP Authenticator averages 3.5 from 2 ratings.

### Do CA Mobile Authenticator or Mobile OTP Authenticator have ads?

Neither CA Mobile Authenticator nor Mobile OTP Authenticator shows ads.

### Which is updated more often, CA Mobile Authenticator or Mobile OTP Authenticator?

CA Mobile Authenticator ships an update every 6 months, and Mobile OTP Authenticator every 8 months. Most recently, CA Mobile Authenticator was updated on October 11, 2026 and Mobile OTP Authenticator on September 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*