Comparison

Mapply for Open Street Map vs Topo Lock Maps

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Mapply for Open Street Map

Explore detailed maps of the world, including transport networks, hiking trails, and topography. This app leverages OpenStreetMap and other specialized map layers for comprehensive navigation and outdoor adventure planning. Enjoy offline caching for uninterrupted exploration.

Highlights
  • OpenStreetMap integration
  • Specialized map layers (cycling, transport, sea, trails)
  • Topographical data
  • Railway information
  • Offline caching
  • Satellite views
Features
Read full description

Introducing Mapply, the ultimate map viewer for Open Street Map (OSM) and tile-based map layers. With Mapply, you're one tap away from exploring the world in detail, navigating transport networks, embarking on outdoor adventures, and discovering intricate topography - all tailored to your needs. Experience satellite views, hiking trails, topography, railway routes, seas, terrain analysis, and much more! Uncover the World of Open Street Map (OSM): With OpenStreetMap, a , of the world, rich in details about locations both near and distant. Navigate through an extensive network of roads, trails, and points of interest - all meticulously crowd-sourced by a global community of map enthusiasts. Find the right cycling path with CyclOSM: Beautifuly designed, yet highly functional map to guide you on the best cycling paths around the globe. Transport Network with Open Transport Map: Dive into the intricate infrastructure of transportation, encompassing airports, railway lines, stations, bus routes, and stops. Mapply's integration with OpenTransportMap is your indispensable resource for navigating the intricacies of modern transportation. Embark on Marine Journeys with Open Sea Map: OpenSeaMap opens the door to your nautical adventures, offering intricate details about harbors, buoys, and more. It's the perfect tool for sailors, explorers, and maritime enthusiasts to navigate with confidence. Unleash Outdoor Adventures with Waymarked Trails: Mapply brings the outdoor world to your fingertips, providing specialized maps for a myriad of activities such as hiking, cycling, mountain biking, and skiing. From easy-going cycling routes to challenging mountain biking trails, and from serene hiking paths to exhilarating ski slopes - all your outdoor adventures begin with Mapply. Discover Topography with Open Topo Map: Mapply leverages OpenTopoMap to provide users with precise topographical information. Understand the height profiles of specific areas, and plan your journeys with in-depth knowledge of the terrain. Unravel Railways with Open Railway Map: Mapply is a treasure trove for railway enthusiasts. OpenRailwayMap offers comprehensive data on global train tracks, and further layers reveal specifics about maximum speeds, signals, electrification, and track gauge. It's a comprehensive guide to the world's railways, all on your device. Enhanced User Experience with Offline Caching: Mapply ensures your adventures are uninterrupted with its offline caching feature. Once you've explored an area, Mapply caches it on your device. Mapply is built on open-source data for map data and overlay styles, displaying attributions in-app. We're always eager to enhance your Mapply experience and welcome suggestions for additional maps to be included in future updates. Start your journey with Mapply, and open up a world of exploration. Maps included: - OpenStreetMap: The collaborative project that offers a free, editable map of the world - CyclOSM: The go to open map for cycling paths and trails - OpenTransportMap: Your go-to resource for transportation details - OpenSeaMap: The ultimate marine cartography platform - Waymarked Trails - Hiking: Comprehensive hiking trail maps - Waymarked Trails - Cycling: Detailed cycling route maps - Waymarked Trails - Mountain Biking: Expert mountain biking trail maps - Waymarked Trails - Slopes: Extensive skiing slope maps - OpenTopoMap: Your source for detailed topographic maps - OpenRailwayMap - Standard: Comprehensive train track maps - OpenRailwayMap - Max Speed: Speed limit details for train tracks - OpenRailwayMap - Signals: Signal locations on train tracks - OpenRailwayMap - Electrification: Electrification data for train tracks - OpenRailwayMap - Track Gauge: Track gauge information for train tracks - NASA GIBS - CityLights - The earth by night with beautiful dark satellite imagery

About

Topo Lock Maps

This app provides private and secure outdoor navigation with end-to-end encryption. It focuses on user privacy, offering offline maps without tracking or data mining. Enjoy a distraction-free experience designed for various outdoor activities.

Highlights
  • End-to-end encryption
  • No ads or tracking
  • Offline maps with no expiration
  • Fast offline downloads
  • Local and offline first performance
  • Battery friendly optimization
Features
Read full description

Your location is personal... Your maps should be too! Topo Lock Maps is your trusted companion for private, secure outdoor navigation. Whether it’s a hidden waterfall, your favorite hunting spot, a backcountry trail run, or a private gate code... your information stays yours. In a world driven by tracking and data collection, Topo Lock Maps takes a different approach. We believe your outdoor adventures should remain private, secure, and fully under your control. -- Features -- - End-to-End Encryption — Your map data stays private and secure. - No Ads. Ever. — Enjoy a clean, distraction-free experience. - No Tracking or Data Mining — We don’t monitor where you go. - No Social Media Integrations — Your outdoor life isn’t content for someone else’s feed. - You Own Your Data — No selling, no sharing, no surprises. - Offline Maps That Work — Download once and keep them. No expiration. - Fast Offline Downloads — Save maps quickly and head out with confidence. - Local & Offline First — Built to perform off the grid. - Lightning-Fast Performance — Quick, responsive maps, even in remote areas. - Battery Friendly — Optimized to conserve power on long adventures. -- Made Especially For -- Hikers, hunters, mountain bikers, game wardens, fishermen, trail runners, privacy enthusiasts, backpackers, scouts and troops, bird watchers, wilderness first responders, search and rescue teams, off-roaders, police officers, trail maintainers, private investigators, world travelers, arrowhead hunters, preppers, park rangers, thru-hikers. -- Thanks -- Thanks to everyone who uses Topo Lock Maps in the backcountry and please continue to provide feedback! More features coming down the trail!

Screenshots

Mapply for Open Street Map4 screens
Topo Lock Maps4 screens

Verdict

The call

The clearest difference is review sentiment: Topo Lock Maps at 100% against Mapply for Open Street Map's 14%. Topo Lock Maps also leads on rating (5.0 vs 4.1) and ads (none vs shown). Mapply for Open Street Map's advantage is in-app purchases (none vs 2) and ratings volume (53 vs 6). On price, update cadence and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Topo Lock Maps sells 2 in-app purchases, starting at $9.99 per month. Mapply for Open Street Map asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Topo Lock Maps holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Mapply for Open Street Map has 53 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 14% of Mapply for Open Street Map's written reviews are positive against 100% of Topo Lock Maps's.

UpkeepUpdate frequency

Mapply for Open Street Map ships an update weekly, Topo Lock Maps fortnightly. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 3 level
Mapply for Open Street Map versus Topo Lock Maps: the parameters behind the verdict, then further details
ParameterMapply for Open Street MapTopo Lock Maps
PriceFreeFree
Rating4.1 (53 ratings)5.0 (6 ratings) — better
Positive reviews14.3% of reviews100.0% of reviews — better
Number of ratings53 — better6
Update frequencyWeekly — betterFortnightly
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size6 MB19 MB
Age rating12+4+
DeveloperFlorian ChrometzVonCannon Technology, Incorporated

Customer experience

Mapply for Open Street Map

All ratings51 ratings
Positive70.6%
Neutral9.8%
Negative19.6%
Written reviews14 reviews
Positive14.3%
Neutral7.1%
Negative78.6%

Topo Lock Maps

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Mapply for Open Street Map

No in-app purchases

2 purchases

Topo Lock Maps

Subscriptions2
  • Pro Monthly7 Days trial$9.991 Month
  • Pro Yearly7 Days trial$99.991 Year

Questions

Is Mapply for Open Street Map free?
Mapply for Open Street Map is free to download, with no in-app purchases.
Is Topo Lock Maps free?
Topo Lock Maps is free to download, with in-app purchases available.
Which has better reviews, Mapply for Open Street Map or Topo Lock Maps?
Topo Lock Maps is rated higher. Mapply for Open Street Map averages 4.1 out of 5 from 53 ratings, while Topo Lock Maps averages 5.0 from 6 ratings.
Do Mapply for Open Street Map or Topo Lock Maps have ads?
Mapply for Open Street Map shows ads; Topo Lock Maps does not.
Which is updated more often, Mapply for Open Street Map or Topo Lock Maps?
Mapply for Open Street Map ships an update weekly, and Topo Lock Maps fortnightly. Most recently, Mapply for Open Street Map was updated on November 7, 2026 and Topo Lock Maps on November 3, 2026.

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