# Bit Map vs AmpCharge

The clearest difference is price: AmpCharge at Free against Bit Map's $3.99. AmpCharge also leads on in-app purchases (none vs 1) and iOS requirement (13.0 vs 26.0). Bit Map's advantage is update cadence (monthly vs every 4 months). On ads and device support there is nothing between them.

AmpCharge is free to download; Bit Map costs $3.99 up front. Bit Map sells 1 one-off in-app purchase. AmpCharge asks for nothing beyond the download.

Bit Map ships an update monthly, AmpCharge every 4 months. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Bit Map | AmpCharge |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bit-map/id1560781471/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Paid | — |
| Size | 37 MB | 95 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NIXANZ](https://appshunter.io/developer/322854450) | [Ampol Australia Petroleum Pty Ltd](https://appshunter.io/developer/425095618) |

## What reviewers say

### Bit Map

[App page](https://appshunter.io/ios/app/bit-map/id1560781471)

This app offers advanced mapping and navigation capabilities, supporting both online and offline map services. It allows users to record locations, create custom layers, and georeference map images directly within the application.

**Highlights:** Offline map support (JPEG, TIFF, PNG), Online vector/raster map services, Offline vector layer support (GeoPackage, Shapefile), Record tracks and waypoints, Create and update custom layers, Georeference map images within the app, Support for hundreds of coordinate systems

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bit Map Pro | $12.99 | one-time |


### AmpCharge

[App page](https://appshunter.io/ios/app/ampcharge/id1630311951)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Bit Map free?

Bit Map costs $3.99, and also offers in-app purchases.

### Is AmpCharge free?

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

### Do Bit Map or AmpCharge have ads?

Neither Bit Map nor AmpCharge shows ads.

### Which is updated more often, Bit Map or AmpCharge?

Bit Map ships an update monthly, and AmpCharge every 4 months. Most recently, Bit Map was updated on October 21, 2026 and AmpCharge on October 19, 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.*