# OneSpan Mobile Authenticator vs FireCalc Retirement Calculator

The clearest difference is in-app purchases: OneSpan Mobile Authenticator at none against FireCalc Retirement Calculator's 3. OneSpan Mobile Authenticator also leads on ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. FireCalc Retirement Calculator sells 3 in-app purchases, starting at $1.99 per month. OneSpan Mobile Authenticator asks for nothing beyond the download.

OneSpan Mobile Authenticator ships an update every 2 months, FireCalc Retirement Calculator every 6 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OneSpan Mobile Authenticator | FireCalc Retirement Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.6K ratings)](https://appshunter.io/ios/app/onespan-mobile-authenticator/id1172835583/reviews)** | — |
| Number of ratings | **1.6K** | — |
| Positive reviews | 32.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 22 MB | 19 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [OneSpan International GmbH](https://appshunter.io/developer/322428926) | [ClearStack Apps](https://appshunter.io/developer/6798305739) |

## What reviewers say

### OneSpan Mobile Authenticator

[App page](https://appshunter.io/ios/app/onespan-mobile-authenticator/id1172835583)

Securely log in to your accounts with a user-friendly interface. Choose your preferred authentication method, including PIN, push notifications, or biometrics. Activate instantly and authenticate with confidence thanks to advanced mobile app shielding.

**Highlights:** Intuitive design, PIN, push, or biometric authentication, Instant and secure activation, Mobile app shielding technology, Self-service activation

**Features:** macOS Compatibility

**In-app purchases:** none


### FireCalc Retirement Calculator

[App page](https://appshunter.io/ios/app/firecalc-retirement-calculator/id6798891218)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FireCalc Pro Monthly | $1.99 | per month |
| FireCalc Pro Yearly | $9.99 | per year |
| FireCalc Pro Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is OneSpan Mobile Authenticator free?

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

### Is FireCalc Retirement Calculator free?

FireCalc Retirement Calculator is free to download, with in-app purchases available.

### Do OneSpan Mobile Authenticator or FireCalc Retirement Calculator have ads?

FireCalc Retirement Calculator shows ads; OneSpan Mobile Authenticator does not.

### Which is updated more often, OneSpan Mobile Authenticator or FireCalc Retirement Calculator?

OneSpan Mobile Authenticator ships an update every 2 months, and FireCalc Retirement Calculator every 6 weeks. Most recently, OneSpan Mobile Authenticator was updated on November 2, 2026 and FireCalc Retirement Calculator on October 31, 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.*