# GAS vs iCurrency Exchange Pro

The clearest difference is rating: iCurrency Exchange Pro at 4.8 against GAS's 1.5. iCurrency Exchange Pro also leads on ratings volume (8 vs 2) and device support (4 vs 2). GAS's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price there is nothing between them.

Both are free to download. iCurrency Exchange Pro sells 1 one-off in-app purchase. GAS asks for nothing beyond the download.

iCurrency Exchange Pro holds the better App Store score, 4.8 against 1.5. Both are backed by a comparable volume of ratings — 2 and 8 respectively.

GAS ships an update every 2 months, iCurrency Exchange Pro every 6 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | GAS | iCurrency Exchange Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/gas-globe/id583723143/reviews) | **[4.8 (8 ratings)](https://appshunter.io/ios/app/icurrency-exchange-pro/id1453416680/reviews)** |
| Number of ratings | 2 | **8** |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 36 MB |
| Requires iOS | **10.3** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [factsoft ag](https://appshunter.io/developer/420369183) | [Albert Parti](https://appshunter.io/developer/534966701) |

## What reviewers say

### GAS

[App page](https://appshunter.io/ios/app/gas-globe/id583723143)

This application collects and processes national and international gasoline and diesel prices. Users can input fuel costs, which are then statistically analyzed by the system. It aims to provide insights into fuel pricing trends.

**Highlights:** Input gasoline and diesel prices, National and international price collection, Statistical processing of fuel costs, Fuel pricing trend analysis

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

**In-app purchases:** none


### iCurrency Exchange Pro

[App page](https://appshunter.io/ios/app/icurrency-exchange-pro/id1453416680)

Easily convert currencies with real-time exchange rates. View historical data graphically and set custom alerts. Supports a wide range of currencies and offers Apple Watch integration.

**Highlights:** Real-time exchange rate updates, Dual currency conversion, Historical rate data (365 days), Graphical rate display, Apple Watch integration, Customizable icon rate display

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertising | $1.99 | one-time |


## Frequently asked questions

### Is GAS free?

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

### Is iCurrency Exchange Pro free?

iCurrency Exchange Pro is free to download, with in-app purchases available.

### Which has better reviews, GAS or iCurrency Exchange Pro?

iCurrency Exchange Pro is rated higher. GAS averages 1.5 out of 5 from 2 ratings, while iCurrency Exchange Pro averages 4.8 from 8 ratings.

### Do GAS or iCurrency Exchange Pro have ads?

iCurrency Exchange Pro shows ads; GAS does not.

### Which is updated more often, GAS or iCurrency Exchange Pro?

GAS ships an update every 2 months, and iCurrency Exchange Pro every 6 months. Most recently, GAS was updated on November 1, 2026 and iCurrency Exchange Pro on November 2, 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.*