# Calc FX vs Trarrency

The clearest difference is in-app purchases: Calc FX at none against Trarrency's 1. Calc FX also leads on ads (none vs shown). Trarrency's advantage is update cadence (weekly vs every 3 months) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Trarrency sells 1 one-off in-app purchase. Calc FX asks for nothing beyond the download.

Calc FX ships an update every 3 months, Trarrency weekly. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Calc FX | Trarrency |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Size | 4 MB | 71 MB |
| Requires iOS | 17 | **13** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Weichen Cheng](https://appshunter.io/developer/1193049632) | [Ko Jui Lin](https://appshunter.io/developer/1835687409) |

## What reviewers say

### Calc FX

[App page](https://appshunter.io/ios/app/calc-fx/id6738332392)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trarrency

[App page](https://appshunter.io/ios/app/trarrency-currency-assistant/id6751544317)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Calc FX free?

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

### Is Trarrency free?

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

### Do Calc FX or Trarrency have ads?

Trarrency shows ads; Calc FX does not.

### Which is updated more often, Calc FX or Trarrency?

Calc FX ships an update every 3 months, and Trarrency weekly. Most recently, Calc FX was updated on October 30, 2026 and Trarrency on November 8, 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.*