# CA Mobile Authenticator vs OnDeck

The clearest difference is update cadence: OnDeck at every 3 weeks against CA Mobile Authenticator's every 6 months. OnDeck also leads on device support (4 vs 2). CA Mobile Authenticator's advantage is iOS requirement (12.0 vs 26.0). On price, 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.

CA Mobile Authenticator ships an update every 6 months, OnDeck every 3 weeks. The most recent releases landed on September 20, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | CA Mobile Authenticator | OnDeck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (11 ratings)](https://appshunter.io/ios/app/ca-mobile-authenticator/id1180629016/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 3.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 7 MB | 19 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple TV** |
| Age rating | 4+ | 17+ |
| Developer | [CA, Inc](https://appshunter.io/developer/400519643) | [Jackson O'Brien](https://appshunter.io/developer/1760254427) |

## 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


### OnDeck

[App page](https://appshunter.io/ios/app/ondeck-aquatics-ops/id6780664189)

**Features:** Vision Pro support

**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 OnDeck free?

OnDeck is free to download, with no in-app purchases.

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

Neither CA Mobile Authenticator nor OnDeck shows ads.

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

CA Mobile Authenticator ships an update every 6 months, and OnDeck every 3 weeks. Most recently, CA Mobile Authenticator was updated on September 20, 2026 and OnDeck on September 25, 2026.

---

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