# Offline Map Data Generator vs GoVolt

The clearest difference is ads: Offline Map Data Generator at none against GoVolt's shown. GoVolt's advantage is update cadence (every 2 weeks vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Offline Map Data Generator sells 6 in-app purchases, starting at $19.99 per year and GoVolt sells 1 in-app purchase, starting at $49.99 per year. Whichever you choose, the download price is not the number that matters.

Offline Map Data Generator ships an update every 7 months, GoVolt every 2 weeks. The most recent releases landed on May 16, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Offline Map Data Generator | GoVolt |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 187 MB | 43 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Tech Maven Geospatial, LLC](https://appshunter.io/developer/1459067502) | [Gowalk Inc.](https://appshunter.io/developer/1649775469) |

## What reviewers say

### Offline Map Data Generator

[App page](https://appshunter.io/ios/app/offline-map-data-generator/id6448957147)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| App Subscription | $19.99 | per year |
| OMDG Elevate API | $24.99 | per year |
| OMDG Vector Conversion API | $24.99 | per year |
| OMDG DEM Downloader | $24.99 | per 7 days |
| Geo Request AOI | $49.99 | per 7 days |
| Offline Map Data Generator | $999.99 | per year |


### GoVolt

[App page](https://appshunter.io/ios/app/govolt-ev-charging-stations/id6744153544)

Discover and plan your electric vehicle charging stops with a live map of over 870,000 stations worldwide. See real-time availability, upfront pricing, and filter by plug type and speed. Plan entire road trips with charging stops tailored to your vehicle's range.

**Highlights:** Live EV charger availability map, Upfront pricing at stations, Filter by speed and plug type, EV road trip planner, Save favorite stations, Community ratings and reviews

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $49.99 | per year |


## Frequently asked questions

### Is Offline Map Data Generator free?

Offline Map Data Generator is free to download, with in-app purchases available.

### Is GoVolt free?

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

### Do Offline Map Data Generator or GoVolt have ads?

GoVolt shows ads; Offline Map Data Generator does not.

### Which is updated more often, Offline Map Data Generator or GoVolt?

Offline Map Data Generator ships an update every 7 months, and GoVolt every 2 weeks. Most recently, Offline Map Data Generator was updated on May 16, 2026 and GoVolt on September 13, 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.*