# Auth Code vs Voice, Photo & Geometry Calc

The clearest difference is in-app purchases: Voice, Photo & Geometry Calc at none against Auth Code's 2. Auth Code's advantage is iOS requirement (16.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Auth Code sells 2 in-app purchases, starting at $9.99 per month. Voice, Photo & Geometry Calc asks for nothing beyond the download.

Auth Code ships an update every 10 days, Voice, Photo & Geometry Calc every 5 days. The most recent releases landed on October 21, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Auth Code | Voice, Photo & Geometry Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/auth-code-2fa-authenticator/id6813939709/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 26 MB | 3 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ivanna Koryliak](https://appshunter.io/developer/1755987498) | [跃继 贾](https://appshunter.io/developer/6811732200) |

## What reviewers say

### Auth Code

[App page](https://appshunter.io/ios/app/auth-code-2fa-authenticator/id6813939709)

Secure your online accounts with this app that generates one-time verification codes for services supporting two-factor authentication. Easily add accounts by scanning QR codes, importing images, or manually entering setup keys. Offers features like app lock, encrypted backups, and optional iCloud sync for enhanced security and convenience.

**Highlights:** One-time verification codes (TOTP/HOTP), QR code scanning for account setup, Import from Google Authenticator, App Lock with Face ID/Touch ID, Encrypted backups, Optional iCloud Sync, Home Screen Widget

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $39.99 | per year |


### Voice, Photo & Geometry Calc

[App page](https://appshunter.io/ios/app/voice-photo-and-geometry-calc/id6816670655)

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

**In-app purchases:** none


## Frequently asked questions

### Is Auth Code free?

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

### Is Voice, Photo & Geometry Calc free?

Voice, Photo & Geometry Calc is free to download, with no in-app purchases.

### Do Auth Code or Voice, Photo & Geometry Calc have ads?

Neither Auth Code nor Voice, Photo & Geometry Calc shows ads.

### Which is updated more often, Auth Code or Voice, Photo & Geometry Calc?

Auth Code ships an update every 10 days, and Voice, Photo & Geometry Calc every 5 days. Most recently, Auth Code was updated on October 21, 2026 and Voice, Photo & Geometry Calc on October 22, 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.*