# Kalium vs 21Pool

The clearest difference is update cadence: 21Pool at every 3 weeks against Kalium's every 2 months. Kalium's advantage is iOS requirement (12.0 vs 15.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Kalium ships an update every 2 months, 21Pool every 3 weeks. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Kalium | 21Pool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (115 ratings)](https://appshunter.io/ios/app/kalium/id1449623414/reviews)** | — |
| Number of ratings | **115** | — |
| Positive reviews | 98.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 43 MB | 25 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Avenge Media LLC](https://appshunter.io/developer/1449623413) | [Inter Select Service FZE LLC](https://appshunter.io/developer/1754227509) |

## What reviewers say

### Kalium

[App page](https://appshunter.io/ios/app/kalium/id1449623414)

This is the official mobile wallet for BANANO, a fee-less and instant cryptocurrency. It allows users to securely send, receive, and manage their BANANO funds. Features include secure authentication, contact management, real-time notifications, and transaction history viewing.

**Highlights:** Create or import BANANO wallets, Secure PIN and biometric authentication, Instant BANANO sending and receiving, Intuitive address book for contacts, Real-time transaction notifications, View transaction history, MonkeyQR sharing and unique monKey

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast transactions
- ✨ Clean UI design
- 💰 Free to use
- 🍌 Great for Banano

**What reviewers complain about**

- 🐛 Wallet works like crap
- ⚠️ Scam (one review)

**Reported bugs**

- Rep issue seems to be fixed now
- Wallet works like crap

**Requested features**

- Support for hardware wallets
- Ability to buy/trade Banano through the app
- Display more decimal points


### 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 Kalium free?

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

### Is 21Pool free?

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

### Do Kalium or 21Pool have ads?

Neither Kalium nor 21Pool shows ads.

### Which is updated more often, Kalium or 21Pool?

Kalium ships an update every 2 months, and 21Pool every 3 weeks. Most recently, Kalium was updated on October 14, 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.*