# Comp & Save vs Gas Convert

The clearest difference is review sentiment: Comp & Save at 50% against Gas Convert's 0%. Comp & Save also leads on ratings volume (6 vs 2). Gas Convert's advantage is rating (5.0 vs 2.2) and in-app purchases (none vs 1). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. Comp & Save sells 1 one-off in-app purchase. Gas Convert asks for nothing beyond the download.

Gas Convert holds the better App Store score, 5.0 against 2.2. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews complicate that: 50% of Comp & Save's written reviews are positive against 0% of Gas Convert's, so the app with the better star average is not the one people write more warmly about.

Comp & Save ships an update every 5 months, Gas Convert every 3 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Comp & Save | Gas Convert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.2 (6 ratings)](https://appshunter.io/ios/app/comp-and-save/id408340712/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/gas-convert/id1630670186/reviews)** |
| Number of ratings | **6** | 2 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 12 MB | 0 MB |
| Requires iOS | **15.0** | 15.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mooee Company Limited](https://appshunter.io/developer/313381532) | [IKAI HUNG](https://appshunter.io/developer/1136544160) |

## What reviewers say

### Comp & Save

[App page](https://appshunter.io/ios/app/comp-and-save/id408340712)

Easily compare the value of two products with different sizes, units, prices, and currencies. This smart calculator helps shoppers find the best deals instantly by analyzing item size, quantity, and price.

**Highlights:** Compare products with different units, Compare products with different currencies, Instant value comparison, Supports metric and imperial units, Input item size, quantity, and price

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

**In-app purchases (1)**

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


### Gas Convert

[App page](https://appshunter.io/ios/app/gas-convert/id1630670186)

Easily calculate gas prices between gallons and liters. This tool helps you understand the cost of fuel in different units, making it simple to compare prices.

**Highlights:** Convert gallon prices to liter prices, Convert liter prices to gallon prices, Simple and intuitive interface, Supports common fuel units

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Comp & Save free?

Comp & Save is free to download, with in-app purchases available.

### Is Gas Convert free?

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

### Which has better reviews, Comp & Save or Gas Convert?

Gas Convert is rated higher. Comp & Save averages 2.2 out of 5 from 6 ratings, while Gas Convert averages 5.0 from 2 ratings.

### Do Comp & Save or Gas Convert have ads?

Neither Comp & Save nor Gas Convert shows ads.

### Which is updated more often, Comp & Save or Gas Convert?

Comp & Save ships an update every 5 months, and Gas Convert every 3 months. Most recently, Comp & Save was updated on October 8, 2026 and Gas Convert on October 7, 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.*