# Map Canvas vs HydropAtlas

The clearest difference is in-app purchases: HydropAtlas at none against Map Canvas's 4. HydropAtlas also leads on iOS requirement (16.4 vs 18.0). Map Canvas's advantage is device support (4 vs 2). On price, update cadence and ads there is nothing between them.

Both are free to download. Map Canvas sells 4 one-off in-app purchases. HydropAtlas asks for nothing beyond the download.

Map Canvas ships an update fortnightly, HydropAtlas every 2 weeks. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Map Canvas | HydropAtlas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (107 ratings)](https://appshunter.io/ios/app/map-canvas-draw-on-maps/id6737522164/reviews)** | — |
| Number of ratings | **107** | — |
| Positive reviews | 81.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 53 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ka Chun Wong](https://appshunter.io/developer/1734201673) | [Andrew VonClaude LLC](https://appshunter.io/developer/6777285759) |

## What reviewers say

### Map Canvas

[App page](https://appshunter.io/ios/app/map-canvas-draw-on-maps/id6737522164)

This app allows users to sketch, annotate, and plan routes directly on a world map. It supports importing and exporting geographic data files and offers tools for drawing and pathfinding. Users can also share their map creations online.

**Highlights:** Draw and annotate on world maps, Pathfinding tools, Import GeoJSON and GPX files, Export data for sharing, Journaling and illustration on maps

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Days Free Trial | Free | one-time |
| Map Canvas Watch App | $0.99 | one-time |
| Donation | $2.99 | one-time |
| Map Canvas Premium | $4.99 | one-time |


### HydropAtlas

[App page](https://appshunter.io/ios/app/hydropatlas/id6777285757)

**In-app purchases:** none


## Frequently asked questions

### Is Map Canvas free?

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

### Is HydropAtlas free?

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

### Do Map Canvas or HydropAtlas have ads?

Neither Map Canvas nor HydropAtlas shows ads.

### Which is updated more often, Map Canvas or HydropAtlas?

Map Canvas ships an update fortnightly, and HydropAtlas every 2 weeks. Most recently, Map Canvas was updated on October 24, 2026 and HydropAtlas on October 6, 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.*