# MPG Calculator vs Adventure Guide Navigator

The clearest difference is in-app purchases: MPG Calculator at none against Adventure Guide Navigator's 3. MPG Calculator also leads on review sentiment (50% vs 25%) and iOS requirement (7.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Adventure Guide Navigator sells 3 in-app purchases, starting at $4.00 per month. MPG Calculator asks for nothing beyond the download.

MPG Calculator ships an update every 2 weeks, Adventure Guide Navigator every 4 weeks. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | MPG Calculator | Adventure Guide Navigator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/mpg-calculator/id909869927/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **50.0% of reviews** | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 0 MB | 32 MB |
| Requires iOS | **7.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [George Richardson](https://appshunter.io/developer/1527034170) | [Adventure Guide NZ Limited](https://appshunter.io/developer/1726069056) |

## What reviewers say

### MPG Calculator

[App page](https://appshunter.io/ios/app/mpg-calculator/id909869927)

Easily calculate fuel efficiency in Litres/100kms or Miles/gallon using US or UK gallons. Input your journey's odometer readings and fuel used to get instant results. The app also converts between different fuel units for your convenience.

**Highlights:** Calculate Litres/100kms, Calculate Miles/gallon (US/UK), Convert between fuel units, Simple odometer input, Fuel usage tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Adventure Guide Navigator

[App page](https://appshunter.io/ios/app/adventure-guide-navigator/id6476327183)

Explore over 1,000 adventure routes and 4x4 tracks with detailed offline maps. Discover vehicle-accessible campsites, remote huts, fuel stations, and points of interest. Designed for vehicle navigation with simple one-touch controls.

**Highlights:** Offline topographic maps, 1,000+ adventure routes & 4x4 tracks, Vehicle accessible campsites & huts, Fuel stations & points of interest, True offline navigation, One-touch navigation

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supporter $8NZD | $4.00 | per month |
| Supporter $12NZD | $7.00 | per month |
| Supporter $16NZD | $9.00 | per month |


## Frequently asked questions

### Is MPG Calculator free?

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

### Is Adventure Guide Navigator free?

Adventure Guide Navigator is free to download, with in-app purchases available.

### Do MPG Calculator or Adventure Guide Navigator have ads?

Neither MPG Calculator nor Adventure Guide Navigator shows ads.

### Which is updated more often, MPG Calculator or Adventure Guide Navigator?

MPG Calculator ships an update every 2 weeks, and Adventure Guide Navigator every 4 weeks. Most recently, MPG Calculator was updated on November 1, 2026 and Adventure Guide Navigator on November 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.*