# MapTap vs OSM sketch

The clearest difference is review sentiment: OSM sketch at 100% against MapTap's 23%. OSM sketch also leads on price (Free vs $1.99) and rating (4.5 vs 3.7). MapTap's advantage is ads (none vs shown) and chart position (#73 vs unranked). On ratings volume, update cadence, in-app purchases and device support there is nothing between them.

OSM sketch is free to download; MapTap costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OSM sketch holds the better App Store score, 4.5 against 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 23% of MapTap's written reviews are positive against 100% of OSM sketch's.

MapTap ships an update every 6 months, OSM sketch every 4 months. The most recent releases landed on October 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MapTap | OSM sketch |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/maptap/id312212429/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/osm-sketch/id777144672/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 23.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | **Free** | Ad-supported |
| Best chart rank | **#73** | — |
| Size | 3 MB | 8 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Geographics](https://appshunter.io/developer/286844996) | [Masaki Fujimoto](https://appshunter.io/developer/777144675) |

## What reviewers say

### MapTap

[App page](https://appshunter.io/ios/app/maptap/id312212429)

**Currently charting:** #73 Top Paid · Navigation (US App Store)

Explore diverse map layers including satellite, topographic, nautical charts, and street views. Compare multiple map sources side-by-side for comprehensive geographic information.

**Highlights:** Multiple map layer comparisons, Satellite and hybrid views, USGS topographic maps, NOAA nautical charts, OpenStreetMap integration

**Features:** Vision Pro support

**In-app purchases:** none


### OSM sketch

[App page](https://appshunter.io/ios/app/osm-sketch/id777144672)

Draw directly on OpenStreetMap maps to create annotations and memos. Save your drawings as GPX files to upload and edit on desktop OSM editors. Ideal for planning routes or marking points of interest on the go.

**Highlights:** Draw on OSM maps, Save drawings as GPX, Upload to OSM account, Multi-touch gestures, Display current location, Zoom and scroll map

**In-app purchases:** none


## Frequently asked questions

### Is MapTap free?

MapTap costs $1.99, with no in-app purchases.

### Is OSM sketch free?

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

### Which has better reviews, MapTap or OSM sketch?

OSM sketch is rated higher. MapTap averages 3.7 out of 5 from 3 ratings, while OSM sketch averages 4.5 from 2 ratings.

### Do MapTap or OSM sketch have ads?

OSM sketch shows ads; MapTap does not.

### Which is updated more often, MapTap or OSM sketch?

MapTap ships an update every 6 months, and OSM sketch every 4 months. Most recently, MapTap was updated on October 29, 2026 and OSM sketch on October 7, 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.*