# Polydirection vs FiatFlex

The clearest difference is update cadence: FiatFlex at every 2 weeks against Polydirection's every 19 months. Polydirection's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.4). On price 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.

Polydirection ships an update every 19 months, FiatFlex every 2 weeks. The most recent releases landed on October 19, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Polydirection | FiatFlex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 19 months | **Every 2 weeks** |
| Size | 63 MB | 85 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ruokvord Trading LP](https://appshunter.io/developer/1483210147) | [DIGISUBS AGENCY](https://appshunter.io/developer/1839312682) |

## What reviewers say

### Polydirection

[App page](https://appshunter.io/ios/app/polydirection/id1483212146)

**In-app purchases:** none


### FiatFlex

[App page](https://appshunter.io/ios/app/fiatflex/id6752437681)

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

**In-app purchases:** none


## Frequently asked questions

### Is Polydirection free?

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

### Is FiatFlex free?

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

### Which is updated more often, Polydirection or FiatFlex?

Polydirection ships an update every 19 months, and FiatFlex every 2 weeks. Most recently, Polydirection was updated on October 19, 2026 and FiatFlex on October 6, 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.*