# Buffer vs BLK CARDS

The clearest difference is in-app purchases: BLK CARDS at none against Buffer's 12. BLK CARDS also leads on rating (5.0 vs 4.7) and iOS requirement (12.0 vs 18.0). Buffer's advantage is ratings volume (35K vs 1) and chart position (#148 vs unranked). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Buffer sells 11 in-app purchases, starting at $5.99 per month. BLK CARDS asks for nothing beyond the download.

BLK CARDS holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Buffer has 35K ratings behind it against 1, so its average is the more settled of the two.

Buffer ships an update every 5 days, BLK CARDS every 10 days. The most recent releases landed on October 20, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Buffer | BLK CARDS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (35K ratings)](https://appshunter.io/ios/app/buffer-plan-and-schedule-posts/id490474324/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/blk-cards/id6443552250/reviews)** |
| Number of ratings | **35K** | 1 |
| Positive reviews | 54.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 10 days |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#148** | — |
| Size | 154 MB | 29 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Buffer, Inc.](https://appshunter.io/developer/490474327) | [EmerTech Limited](https://appshunter.io/developer/1542233235) |

## What reviewers say

### Buffer

[App page](https://appshunter.io/ios/app/buffer-plan-and-schedule-posts/id490474324)

**Currently charting:** #148 Top Grossing · Social Networking, #192 Top Free · Social Networking (US App Store)

Streamline your social media presence by planning, scheduling, and publishing content across multiple platforms from one app. Engage with your audience and track performance with insightful analytics. Ideal for creators looking to grow their online presence efficiently.

**Highlights:** Cross-platform posting, Content scheduling, Idea organization, Performance analytics, Calendar view, Apple Watch app

**Features:** Apple Watch app

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Essentials - 1 Channel | $5.99 | per month |
| Essentials+Team: 1 Channel | $11.99 | per month |
| Essentials - 2 Channels | $11.99 | per month |
| Pro for 1 Month | $14.99 | per month |
| Essentials - 3 Channels | $17.99 | per month |
| Essentials - 4 Channels | $23.99 | per month |
| Essentials - 5 Channels | $29.99 | per month |
| Essentials - 6 Channels | $35.99 | per month |
| Small Business | $99.99 | per month |
| Small Business for 1 Month | $99.99 | per month |
| Pro for 1 Year | $144.99 | per year |

**What reviewers like**

- 💻 Easy to use
- 🕰️ Convenient scheduling
- 🔍 Helpful for social media management
- 🤖 Automated posting
- 📈 Improved engagement and growth

**What reviewers complain about**

- 🐛 Stability issues and bugs
- 🔗 Unreliable platform integrations
- 📸 Limited image/video handling capabilities
- 🔒 Frustrating login/authentication problems
- 💰 Expensive paid plans

**Reported bugs**

- Drafts not registering in visual calendar
- Inability to reorder scheduled posts
- Inconsistent behavior between mobile and desktop versions
- Automatic posting not working as expected
- Issues with image/video quality and formatting

**Requested features**

- Add support for Twitter threads
- Improve visual planning and calendar view
- Integrate with more platforms like Slack and Discord
- Allow more customization and control over posts
- Provide better analytics and performance insights


### 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 Buffer free?

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

### Is BLK CARDS free?

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

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

BLK CARDS is rated higher. Buffer averages 4.7 out of 5 from 35K ratings, while BLK CARDS averages 5.0 from 1 ratings.

### Do Buffer or BLK CARDS have ads?

Neither Buffer nor BLK CARDS shows ads.

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

Buffer ships an update every 5 days, and BLK CARDS every 10 days. Most recently, Buffer was updated on October 20, 2026 and BLK CARDS on September 29, 2026.

---

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