# Keybase vs BLK CARDS

The clearest difference is rating: BLK CARDS at 5.0 against Keybase's 3.5. BLK CARDS also leads on update cadence (every 10 days vs every 3 months) and iOS requirement (12.0 vs 15.1). Keybase's advantage is ratings volume (323 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BLK CARDS holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Keybase has 323 ratings behind it against 1, so its average is the more settled of the two.

Keybase ships an update every 3 months, BLK CARDS every 10 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Keybase | BLK CARDS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (323 ratings)](https://appshunter.io/ios/app/keybase-crypto-for-everyone/id1044461770/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/blk-cards/id6443552250/reviews)** |
| Number of ratings | **323** | 1 |
| Positive reviews | 42.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 127 MB | 29 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keybase, Inc.](https://appshunter.io/developer/1044460764) | [EmerTech Limited](https://appshunter.io/developer/1542233235) |

## What reviewers say

### Keybase

[App page](https://appshunter.io/ios/app/keybase-crypto-for-everyone/id1044461770)

Securely message anyone on social media or other platforms without needing their personal contact information. All communications are end-to-end encrypted and accessible across multiple devices. This open-source platform is free and ad-free for all users.

**Highlights:** Secure messaging to social media users, End-to-end encryption, Multi-device support, Open source, Ad-free

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and efficient
- 🔒 Secure communication
- 👍 Useful features like cloud storage and git repos
- 💡 Innovative crypto integration

**What reviewers complain about**

- 🐛 Bugs and crashes
- 🔋 High battery consumption
- 👎 Lack of iPad support
- 👎 Sluggish performance

**Reported bugs**

- Login screen freezes
- Incompatible with older devices
- Messaging issues and lost chats
- Unreliable file sharing

**Requested features**

- Add iPad app support
- Improve message threading and navigation
- Integrate with more social platforms
- Add password manager functionality


### BLK CARDS

[App page](https://appshunter.io/ios/app/blk-cards/id6443552250)

Easily record any URL to NFC cards or tags in seconds. Share links instantly with a single tap on NFC-enabled smartphones, eliminating the need for manual entry or contact saving. Manage multiple URLs for different situations with a unique list feature.

**Highlights:** Record URLs to NFC cards/tags, Instant URL opening on NFC-enabled phones, Share social media, contact, and NFT links, Create and manage unlimited URL lists, No signup or profile creation required, Personalize digital business cards

**In-app purchases:** none


## Frequently asked questions

### Is Keybase free?

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

### Is BLK CARDS free?

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

### Which has better reviews, Keybase or BLK CARDS?

BLK CARDS is rated higher. Keybase averages 3.5 out of 5 from 323 ratings, while BLK CARDS averages 5.0 from 1 ratings.

### Do Keybase or BLK CARDS have ads?

Neither Keybase nor BLK CARDS shows ads.

### Which is updated more often, Keybase or BLK CARDS?

Keybase ships an update every 3 months, and BLK CARDS every 10 days. Most recently, Keybase was updated on November 2, 2026 and BLK CARDS on November 3, 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.*