# Chainlock vs 21 Pulse

The clearest difference is rating: Chainlock at 5.0 against 21 Pulse's 4.0. Chainlock also leads on iOS requirement (12.0 vs 26.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

Chainlock holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Chainlock ships an update every 3 weeks, 21 Pulse every 2 weeks. The most recent releases landed on October 3, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Chainlock | 21 Pulse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chainlock/id1442543217/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/21-pulse/id6757953169/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 34 MB | 6 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [youniqx Identity AG](https://appshunter.io/developer/1442543216) | [Heiko Mattern](https://appshunter.io/developer/1869902214) |

## What reviewers say

### Chainlock

[App page](https://appshunter.io/ios/app/chainlock/id1442543217)

This app enhances cryptocurrency security by guiding users through essential features of their chainlock card. It ensures private keys remain secure on the card, never requesting or transmitting them. Users can monitor cryptocurrency values for added cards without physical access.

**Highlights:** Cryptocurrency security guidance, Private key protection, Monitor crypto values, Card management, Hardware wallet integration

**In-app purchases:** none


### 21 Pulse

[App page](https://appshunter.io/ios/app/21-pulse/id6757953169)

This Bitcoin-focused app provides real-time price tracking, market sentiment indicators, and a map of merchants accepting Bitcoin. It also offers educational resources, a portfolio tracker, and various tools for enthusiasts and merchants.

**Highlights:** Real-time Bitcoin price and charts, Fear & Greed Index and on-chain stats, Bitcoin merchant locator (Lightning SatMap), Educational resources on Bitcoin, Portfolio tracker with DCA plans, Home screen widget for live price

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

**In-app purchases:** none


## Frequently asked questions

### Is Chainlock free?

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

### Is 21 Pulse free?

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

### Which has better reviews, Chainlock or 21 Pulse?

Chainlock is rated higher. Chainlock averages 5.0 out of 5 from 2 ratings, while 21 Pulse averages 4.0 from 1 ratings.

### Do Chainlock or 21 Pulse have ads?

Neither Chainlock nor 21 Pulse shows ads.

### Which is updated more often, Chainlock or 21 Pulse?

Chainlock ships an update every 3 weeks, and 21 Pulse every 2 weeks. Most recently, Chainlock was updated on October 3, 2026 and 21 Pulse on September 17, 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.*