# Auth Armor Authenticator vs GeniusCalc

The clearest difference is in-app purchases: Auth Armor Authenticator at none against GeniusCalc's 3. Auth Armor Authenticator also leads on ads (none vs shown) and iOS requirement (11.0 vs 18.5). On price, update cadence and device support there is nothing between them.

Both are free to download. GeniusCalc sells 3 in-app purchases, starting at $3.99 per month. Auth Armor Authenticator asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 7, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Auth Armor Authenticator | GeniusCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Size | 35 MB | 14 MB |
| Requires iOS | **11.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Auth Armor Technologies, Inc](https://appshunter.io/developer/1543570928) | [明菊 唐](https://appshunter.io/developer/6802483393) |

## What reviewers say

### Auth Armor Authenticator

[App page](https://appshunter.io/ios/app/auth-armor-authenticator/id1502837764)

**Features:** macOS Compatibility

**In-app purchases:** none


### GeniusCalc

[App page](https://appshunter.io/ios/app/geniuscalc-smart-calculator/id6802524358)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly VIP | $3.99 | per month |
| Yearly VIP | $6.99 | per year |
| Lifetime VIP | $9.99 | one-time |


## Frequently asked questions

### Is Auth Armor Authenticator free?

Auth Armor Authenticator is free to download, with no in-app purchases.

### Is GeniusCalc free?

GeniusCalc is free to download, with in-app purchases available.

### Do Auth Armor Authenticator or GeniusCalc have ads?

GeniusCalc shows ads; Auth Armor Authenticator does not.

### Which is updated more often, Auth Armor Authenticator or GeniusCalc?

Auth Armor Authenticator ships an update fortnightly, and GeniusCalc fortnightly. Most recently, Auth Armor Authenticator was updated on November 7, 2026 and GeniusCalc on November 10, 2026.

---

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