# TopografiaApp vs Drone Harmony Mobile

The clearest difference is update cadence: TopografiaApp at every 2 weeks against Drone Harmony Mobile's every 6 weeks. Drone Harmony Mobile's advantage is iOS requirement (14.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TopografiaApp ships an update every 2 weeks, Drone Harmony Mobile every 6 weeks. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | TopografiaApp | Drone Harmony Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (6 ratings)](https://appshunter.io/ios/app/drone-harmony-mobile/id1602698517/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 9.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | — | Free |
| Size | 70 MB | 157 MB |
| Requires iOS | 16.4 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Elton Silva](https://appshunter.io/developer/1281954012) | [Drone Harmony AG](https://appshunter.io/developer/1602698519) |

## What reviewers say

### TopografiaApp

[App page](https://appshunter.io/ios/app/topografiaapp/id1507554852)

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

**In-app purchases:** none


### Drone Harmony Mobile

[App page](https://appshunter.io/ios/app/drone-harmony-mobile/id1602698517)

Plan and execute drone flights directly from your iPhone or iPad. This app allows you to synchronize with the cloud, load sites, and adapt flight plans for mapping and inspection missions. Future updates will introduce a 3D interface and expanded drone compatibility.

**Highlights:** iOS flight planning and execution, Cloud synchronization, Load and adapt flight plans, Mapping & Inspection mission support, Terrain category missions, Gimbal adjustments

**In-app purchases:** none


## Frequently asked questions

### Is TopografiaApp free?

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

### Is Drone Harmony Mobile free?

Drone Harmony Mobile is free to download, with no in-app purchases.

### Do TopografiaApp or Drone Harmony Mobile have ads?

Neither TopografiaApp nor Drone Harmony Mobile shows ads.

### Which is updated more often, TopografiaApp or Drone Harmony Mobile?

TopografiaApp ships an update every 2 weeks, and Drone Harmony Mobile every 6 weeks. Most recently, TopografiaApp was updated on October 25, 2026 and Drone Harmony Mobile on November 3, 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.*