# Currency Strength vs DuetShare

The clearest difference is ads: DuetShare at none against Currency Strength's shown. DuetShare also leads on update cadence (every 4 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Currency Strength sells 1 in-app purchase, starting at $3.99 per month and DuetShare sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Currency Strength ships an update monthly, DuetShare every 4 days. The most recent releases landed on October 30, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Currency Strength | DuetShare |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/currency-strength-fx-labo/id1582735411/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 55 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tomohiro Kosaka](https://appshunter.io/developer/1095373790) | [GNOSFLARE](https://appshunter.io/developer/1875721941) |

## What reviewers say

### Currency Strength

[App page](https://appshunter.io/ios/app/currency-strength-fx-labo/id1582735411)

Visualize the relative strength of major global currencies in the foreign exchange market. Quickly identify strong and weak currencies with a clear chart, aiding in trading decisions beyond simple currency pair fluctuations.

**Highlights:** Relative currency strength charts, Major currency analysis (USD, EUR, JPY, GBP, AUD, CHF, CAD, NZD), Visual guide to strong/weak currencies, Calculations based on forex cross pairs, Quick understanding of individual currency strength

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All access | $3.99 | per month |


### DuetShare

[App page](https://appshunter.io/ios/app/duetshare/id6801848136)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $0.99 | per month |
| Plus Annual | $9.99 | per year |


## Frequently asked questions

### Is Currency Strength free?

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

### Is DuetShare free?

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

### Do Currency Strength or DuetShare have ads?

Currency Strength shows ads; DuetShare does not.

### Which is updated more often, Currency Strength or DuetShare?

Currency Strength ships an update monthly, and DuetShare every 4 days. Most recently, Currency Strength was updated on October 30, 2026 and DuetShare on October 4, 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.*