# Auth vs ColorMyPDF

The clearest difference is in-app purchases: ColorMyPDF at none against Auth's 2. ColorMyPDF also leads on update cadence (weekly vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Auth sells 2 in-app purchases, starting at $3.99 per 7 days. ColorMyPDF asks for nothing beyond the download.

Auth ships an update every 2 weeks, ColorMyPDF weekly. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Auth | ColorMyPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (365 ratings)](https://appshunter.io/ios/app/auth-authenticator-app/id6470453559/reviews)** | — |
| Number of ratings | **365** | — |
| Positive reviews | 87.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 8 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [婷 兰](https://appshunter.io/developer/1666722179) | [Inias Group LLC](https://appshunter.io/developer/6802056422) |

## What reviewers say

### Auth

[App page](https://appshunter.io/ios/app/auth-authenticator-app/id6470453559)

Enhance your online security with this app that generates time-based one-time passwords. Protect your accounts from unauthorized access by enabling two-factor authentication and scanning QR codes. Secure your digital life with robust encryption and convenient backup options.

**Highlights:** Generates one-time tokens, Two-factor authentication, Encrypted vault, Password/biometric unlock, Supports HOTP and TOTP, Automatic iCloud backups, Multiple entry methods

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly premium | $3.99 | per 7 days |
| Yearly premium | $49.99 | per year |

**What reviewers like**

- 🔒 Robust security features
- 👍 User-friendly interface
- 💡 Convenient multi-device sync
- 🚀 Reliable performance
- 🔒 Secure backup and recovery options

**What reviewers complain about**

- 🐛 Frequent ads disrupting usage
- 💰 Paid premium version required for ad-free experience

**Reported bugs**

- Ads interfering with account setup
- Occasional crashes or freezes

**Requested features**

- Dark mode option
- Improved free tier with fewer ads


### ColorMyPDF

[App page](https://appshunter.io/ios/app/colormypdf/id6802056420)

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

**In-app purchases:** none


## Frequently asked questions

### Is Auth free?

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

### Is ColorMyPDF free?

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

### Do Auth or ColorMyPDF have ads?

Both Auth and ColorMyPDF show ads.

### Which is updated more often, Auth or ColorMyPDF?

Auth ships an update every 2 weeks, and ColorMyPDF weekly. Most recently, Auth was updated on October 4, 2026 and ColorMyPDF on September 30, 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.*