# SD Single VPN vs KeyCard BBM

The clearest difference is in-app purchases: SD Single VPN at none against KeyCard BBM's 1. SD Single VPN also leads on ads (none vs shown) and iOS requirement (10.3 vs 15.5). On price and device support there is nothing between them.

Both are free to download. KeyCard BBM sells 1 one-off in-app purchase. SD Single VPN asks for nothing beyond the download.

## The numbers

| Metric | SD Single VPN | KeyCard BBM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (1.6K ratings)](https://appshunter.io/ios/app/keycard-bbm/id6471354515/reviews)** |
| Number of ratings | — | **1.6K** |
| Positive reviews | — | 84.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 70 MB |
| Requires iOS | **10.3** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kanz Al Madinah Auto Maint](https://appshunter.io/developer/1514205259) | [Marlon Milanes Rivero](https://appshunter.io/developer/1691214624) |

## What reviewers say

### SD Single VPN

[App page](https://appshunter.io/ios/app/sd-single-vpn/id1566771599)

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

**In-app purchases:** none


### KeyCard BBM

[App page](https://appshunter.io/ios/app/keycard-bbm/id6471354515)

Organize your digital cards, manage your cryptocurrency balance, and access digital services like gift cards and VPNs. This secure app offers a streamlined iOS experience with features like real-time balance management and instant digital product delivery.

**Highlights:** Digital card organization, KeyCoin balance management, Purchase digital products, Built-in VPN access, Secure sign-in options, QR code scanner

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation | $1.99 | one-time |

**What reviewers like**

- 💎 Excellent
- 💯 The best
- 👍 Great
- 🔑 KeyCard BBM
- 👌 Super app

**What reviewers complain about**

- 🐛 App crashes after update
- 🤔 Losing data after updates
- 🤨 Functionality issues with new updates
- 🔍 Missing features (e.g., online payments, Mi Transfer recharge)
- 🤯 Confusing UI changes between updates

**Reported bugs**

- QR code scanning not working
- Login with Apple ID not functioning
- App freezes after background operation
- Unable to fully register accounts

**Requested features**

- Add SMS confirmation for transfers
- Implement online payments
- Allow transferring from secondary Mi Transfer cards
- Add widget support for quick access
- Integrate NAUTA home payment


## Frequently asked questions

### Is SD Single VPN free?

SD Single VPN is free to download, with no in-app purchases.

### Is KeyCard BBM free?

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

### Do SD Single VPN or KeyCard BBM have ads?

KeyCard BBM shows ads; SD Single VPN does not.

---

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