# COT Z vs FX Strength Meter

The clearest difference is device support: COT Z at 3 against FX Strength Meter's 1. COT Z also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. COT Z sells 1 in-app purchase, starting at $4.99 per month and FX Strength Meter sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

COT Z ships an update every 3 weeks, FX Strength Meter every 10 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | COT Z | FX Strength Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fx-strength-meter/id6760180542/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | — | Freemium |
| Size | 39 MB | 2 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Ricardo Dacosta](https://appshunter.io/developer/1500340235) | [Alona Nesterenko](https://appshunter.io/developer/1890650834) |

## What reviewers say

### COT Z

[App page](https://appshunter.io/ios/app/cot-z-score/id6755860112)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| COT- ZScore - Monthly Subscription | $4.99 | per month |


### FX Strength Meter

[App page](https://appshunter.io/ios/app/fx-strength-meter/id6760180542)

Analyze currency strength in real-time to identify high-probability forex trading opportunities. Visualize currency movements with interactive charts and a unique heatmap matrix. Receive algorithmic trade signals with confidence levels and contextual advice.

**Highlights:** Real-time currency strength ranking, Interactive trend charts, 8x8 heatmap matrix, Algorithmic trade signals, Multiple timeframes (H1, H4, D1, W1), Auto-refresh intervals

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $0.99 | per 7 days |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $5.99 | per year |
| Lifetime Access | $12.99 | one-time |


## Frequently asked questions

### Is COT Z free?

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

### Is FX Strength Meter free?

FX Strength Meter is free to download, with in-app purchases available.

### Do COT Z or FX Strength Meter have ads?

Neither COT Z nor FX Strength Meter shows ads.

### Which is updated more often, COT Z or FX Strength Meter?

COT Z ships an update every 3 weeks, and FX Strength Meter every 10 days. Most recently, COT Z was updated on October 28, 2026 and FX Strength Meter on October 25, 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.*