# Chainlock vs TradeCalc Position Size Calc

The clearest difference is in-app purchases: Chainlock at none against TradeCalc Position Size Calc's 1. Chainlock also leads on ads (none vs shown) and iOS requirement (12.0 vs 17). On price, update cadence and device support there is nothing between them.

Both are free to download. TradeCalc Position Size Calc sells 1 one-off in-app purchase. Chainlock asks for nothing beyond the download.

Chainlock ships an update every 3 weeks, TradeCalc Position Size Calc every 6 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Chainlock | TradeCalc Position Size Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chainlock/id1442543217/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 34 MB | 9 MB |
| Requires iOS | **12.0** | 17 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [youniqx Identity AG](https://appshunter.io/developer/1442543216) | [Alex Masure](https://appshunter.io/developer/1884681168) |

## 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


### TradeCalc Position Size Calc

[App page](https://appshunter.io/ios/app/tradecalc-position-size-calc/id6760482857)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TradeCalc Pro | $2.99 | one-time |


## Frequently asked questions

### Is Chainlock free?

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

### Is TradeCalc Position Size Calc free?

TradeCalc Position Size Calc is free to download, with in-app purchases available.

### Do Chainlock or TradeCalc Position Size Calc have ads?

TradeCalc Position Size Calc shows ads; Chainlock does not.

### Which is updated more often, Chainlock or TradeCalc Position Size Calc?

Chainlock ships an update every 3 weeks, and TradeCalc Position Size Calc every 6 weeks. Most recently, Chainlock was updated on November 2, 2026 and TradeCalc Position Size Calc on October 31, 2026.

---

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