# Crypto Mining & Bitcoin Course vs 21Pool

The clearest difference is review sentiment: 21Pool at 100% against Crypto Mining & Bitcoin Course's 0%. 21Pool also leads on update cadence (every 3 weeks vs every 9 months). 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.

Crypto Mining & Bitcoin Course ships an update every 9 months, 21Pool every 3 weeks. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Crypto Mining & Bitcoin Course | 21Pool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (19 ratings)](https://appshunter.io/ios/app/crypto-mining-and-bitcoin-course/id1635043816/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 16 MB | 25 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Anna Fael](https://appshunter.io/developer/1473845897) | [Inter Select Service FZE LLC](https://appshunter.io/developer/1754227509) |

## What reviewers say

### Crypto Mining & Bitcoin Course

[App page](https://appshunter.io/ios/app/crypto-mining-and-bitcoin-course/id1635043816)

Learn the fundamentals of cryptocurrency mining, including how Bitcoin and other digital currencies are mined. This guide covers hardware selection, software setup, joining mining pools, and securing your digital wallet.

**Highlights:** Understand Bitcoin mining mechanics, Choose mining hardware or cloud services, Select and install mining software, Join cryptocurrency mining pools, Set up and secure a Bitcoin wallet, Learn about blockchain technology

**Features:** macOS Compatibility

**In-app purchases:** none


### 21Pool

[App page](https://appshunter.io/ios/app/21pool-crypto-mining-pool/id6504883855)

This app provides a profitable and reliable platform for cryptocurrency mining. It offers efficient mining with a fair formula, low fees, and stable connections. Users can track equipment statistics, monitor earnings, and manage workers through an intuitive interface.

**Highlights:** Efficient mining with FPPS formula, Low fees and stable connection, Real-time equipment statistics, Daily earnings and withdrawal monitoring, Worker management, User-friendly interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Crypto Mining & Bitcoin Course free?

Crypto Mining & Bitcoin Course is free to download, with no in-app purchases.

### Is 21Pool free?

21Pool is free to download, with no in-app purchases.

### Do Crypto Mining & Bitcoin Course or 21Pool have ads?

Neither Crypto Mining & Bitcoin Course nor 21Pool shows ads.

### Which is updated more often, Crypto Mining & Bitcoin Course or 21Pool?

Crypto Mining & Bitcoin Course ships an update every 9 months, and 21Pool every 3 weeks. Most recently, Crypto Mining & Bitcoin Course was updated on October 1, 2026 and 21Pool on October 10, 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.*