# Offline Map Data Generator vs Centinela

The clearest difference is update cadence: Centinela at every 6 days against Offline Map Data Generator's every 7 months. Offline Map Data Generator's advantage is iOS requirement (14.0 vs 17.0). On price, ads, in-app purchases and device support 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 Centinela sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Offline Map Data Generator ships an update every 7 months, Centinela every 6 days. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Offline Map Data Generator | Centinela |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 days** |
| Size | 187 MB | 153 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Tech Maven GeoSpatial LLC](https://appshunter.io/developer/1459067502) | [Jesus Alvarez Ruiz](https://appshunter.io/developer/1742733155) |

## 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 |


### Centinela

[App page](https://appshunter.io/ios/app/centinela-tactical-navigation/id6766572975)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip | $0.99 | one-time |
| Generous tip | $1.99 | one-time |
| Very generous tip | $4.99 | one-time |
| Huge tip | $8.99 | one-time |
| Fanatical tip | $19.99 | one-time |


## Frequently asked questions

### Is Offline Map Data Generator free?

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

### Is Centinela free?

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

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

Neither Offline Map Data Generator nor Centinela shows ads.

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

Offline Map Data Generator ships an update every 7 months, and Centinela every 6 days. Most recently, Offline Map Data Generator was updated on September 22, 2026 and Centinela on September 21, 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.*