# 2FA QR Code App vs CalmAgenda

The clearest difference is in-app purchases: CalmAgenda at none against 2FA QR Code App's 7. 2FA QR Code App's advantage is update cadence (every 3 weeks vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 2FA QR Code App sells 7 in-app purchases, starting at $5.99 per 7 days. CalmAgenda asks for nothing beyond the download.

2FA QR Code App ships an update every 3 weeks, CalmAgenda every 5 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 2FA QR Code App | CalmAgenda |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (457 ratings)](https://appshunter.io/ios/app/2fa-qr-code-app/id6456523725/reviews)** | — |
| Number of ratings | **457** | — |
| Positive reviews | 31.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 36 MB |
| Requires iOS | 15.5.0 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tensortech Apps](https://appshunter.io/developer/1605599894) | [Kevin Delgado Pagan](https://appshunter.io/developer/1782374136) |

## What reviewers say

### 2FA QR Code App

[App page](https://appshunter.io/ios/app/2fa-qr-code-app/id6456523725)

Instantly scan QR codes and barcodes with your device's camera. Access a history of all your scans, save important results, and export them for later use. Offers customizable settings and ensures privacy.

**Highlights:** Scan QR and barcodes, Create custom QR codes, Product info and price checks, Comprehensive scan history, Save and export scan data, High accuracy and speed, Customizable settings

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Pro - Weekly Trial | $5.99 | per 7 days |
| QR Pro - Weekly Trial | $6.99 | per 7 days |
| QR Pro - Weekly | $7.99 | per 7 days |
| QR Pro - Weekly Trial | $7.99 | per 7 days |
| QR Pro - Weekly Trial | $9.99 | per 7 days |
| QR Pro - Monthly | $19.99 | per month |
| QR Pro - Yearly | $34.99 | per year |

**What reviewers like**

- 👍 Good device tool
- 👍 Top QR functionality
- 👍 Excellent QR scanning
- 👍 Superb functionality
- 👍 Made fresh on Premises

**What reviewers complain about**

- 😞 Weekly 1500 yen charge
- 😞 Unwanted subscription charges
- 😞 Scam app
- 😞 Automatic billing
- 😞 Cannot cancel subscription

**Reported bugs**

- Cannot cancel subscription
- App redirects to paid version
- QR scanner not working
- Loud beep on scan attempt
- App charges without authorization

**Requested features**

- Option to cancel purchases
- Clearer pricing and subscription terms
- Improved QR scanning functionality
- Ability to scan from camera roll


### CalmAgenda

[App page](https://appshunter.io/ios/app/calmagenda/id6759608454)

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

**In-app purchases:** none


## Frequently asked questions

### Is 2FA QR Code App free?

2FA QR Code App is free to download, with in-app purchases available.

### Is CalmAgenda free?

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

### Do 2FA QR Code App or CalmAgenda have ads?

Both 2FA QR Code App and CalmAgenda show ads.

### Which is updated more often, 2FA QR Code App or CalmAgenda?

2FA QR Code App ships an update every 3 weeks, and CalmAgenda every 5 weeks. Most recently, 2FA QR Code App was updated on November 3, 2026 and CalmAgenda 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.*