# Bitcoin Mempool vs VOID

The clearest difference is price: VOID at Free against Bitcoin Mempool's $0.99. Bitcoin Mempool's advantage is in-app purchases (none vs 3) and update cadence (every 3 weeks vs every 6 months). On ads there is nothing between them.

VOID is free to download; Bitcoin Mempool costs $0.99 up front. VOID sells 3 in-app purchases, starting at $1.99 per month. Bitcoin Mempool asks for nothing beyond the download.

Bitcoin Mempool ships an update every 3 weeks, VOID every 6 months. The most recent releases landed on September 10, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Bitcoin Mempool | VOID |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/void-qr-and-file-encryption/id6754666074/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | — | Freemium |
| Size | 29 MB | 19 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [艳华 赵](https://appshunter.io/developer/1803554231) | [Mikhail Bukhrashvili](https://appshunter.io/developer/1849540314) |

## What reviewers say

### Bitcoin Mempool

[App page](https://appshunter.io/ios/app/bitcoin-mempool/id6744839699)

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

**In-app purchases:** none


### VOID

[App page](https://appshunter.io/ios/app/void-qr-and-file-encryption/id6754666074)

Securely encrypt your messages offline with military-grade AES-256 encryption. Customize parameters, use hidden keys for extra protection, and even encode texts into emoji. Your data remains entirely on your device, ensuring complete privacy.

**Highlights:** Offline AES-256 encryption, Customizable encryption parameters, Hidden key (VOID Secret), Emoji text encoding, No internet connection required, No accounts or registration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Annual | $5.99 | per year |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Bitcoin Mempool free?

Bitcoin Mempool costs $0.99, with no in-app purchases.

### Is VOID free?

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

### Do Bitcoin Mempool or VOID have ads?

Neither Bitcoin Mempool nor VOID shows ads.

### Which is updated more often, Bitcoin Mempool or VOID?

Bitcoin Mempool ships an update every 3 weeks, and VOID every 6 months. Most recently, Bitcoin Mempool was updated on September 10, 2026 and VOID on September 27, 2026.

---

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