Comparison

Mile vs Flatline Maps

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

Head to head
About

Mile

Easily locate and share your real-time highway mile marker on U.S. Interstate and state highways. Get precise location data even without a data connection and use it for navigation, incident reporting, or to help emergency services find you faster.

Highlights
  • Real-time milepost location
  • Offline milepost display
  • Share current location
  • Navigation to mileposts
  • Siri integration
  • Search for milepost locations
Features
Read full description

Know your mile marker location! Use Mile-1 to help emergency personnel or roadside assistance locate you faster. Mile-1 provides you with the most comprehensive and accurate highway milepost locator service ever built. Easy to use day or night, quickly find and share your real-time mile marker. Nearly every highway with markers in the U.S. is included, along with a growing list of river miles and railroad mileposts. Even if you lose your data connection, Mile-1 will still show your milepost. "Hey Siri, Get my milepost in Mile-1." Just ask Siri to get your current milepost. Check out our CarPlay app and CarPlay widgets too. Real-time mile marker locations right on your dashboard. Need directions or distance? Tap any milepost. The navigation button will use Maps to show you the fastest route to get there. Perfect for towing and roadside assistance. Click the share button to send your current location via messages, email, or your favorite app. Closures, construction, and incidents are often reported using mileposts as a reference. Mile markers function like an address on the highway. Quickly and easily search for these locations. It's the perfect companion for incident reporting and maintenance. Mile-1 Pro includes: Unlimited search and navigation Unlimited custom marker points Mile marker point manager - Save money by reducing location uncertainty and field documentation Mile marker map maker - Create custom maps with mile marker references. It's great for crash reporting on your socials or construction maps. Auto-tag and markup photos with accurate mile markers and timestamps Convert Latitude/Longitude to mile marker location These are just some sample headlines we see every day, but it's not so easy to locate exactly where these are. Mile-1 helps save the day! AZDOT, "State Troopers and emergency crews use mile markers to locate stranded drivers or those involved in crashes...emergency crews will be able to find you faster." KEZI, "Evacuation levels reduced for homes near Milepost 97 fire." NewsChannel20, "Illinois State Troopers and first responders were called to a crash on I-57 northbound near milepost 241 Wednesday afternoon." KqenNewsRadio, "I-5 Milepost 114 fire burns Tuesday night." National Park Service, "Detour implemented from Milepost 115 to 135 starting January 25, 2021." Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Flatline Maps

Access detailed, custom-built hunting maps with roads, trails, and water sources. Plan routes, mark waypoints, and navigate remote areas with confidence, both on and off the grid. Includes topo, satellite, and street base maps.

Highlights
  • Custom-built hunting maps
  • Offline navigation
  • Detailed terrain and water data
  • Route planning
  • Custom waypoints
  • Track recording
Features
Read full description

Subscribe to unlock the complete Flatline Maps hunting experience. Get full access to every Flatline Maps hunting unit, featuring completely custom-built maps designed specifically for hunters who demand accurate, reliable, and up-to-date information in the field. Each Flatline Map unit is carefully hand-drawn and continuously updated with roads, hiking trails, access routes, fire data, dirt tanks, trick tanks, and man-made water systems to provide a level of detail standard maps often miss. These units are built to help hunters better understand terrain, locate key water sources, identify travel corridors, and navigate remote areas with confidence. The Flatline Maps base layer is continuously being expanded, with new units and updates added every month. Be sure to check our website and Instagram pages regularly for the latest releases, map updates, and work-in-progress units currently being developed. Your subscription also includes detailed US topo, high-resolution satellite imagery, and street base maps for advanced scouting, route planning, and navigation both on and off the grid. Premium tools include custom waypoints, distance measuring, track recording, the Walk-On tool, and route creation to help you mark important locations, track movement, scout efficiently, and plan successful hunts. Whether you’re preparing from home or navigating deep in the field, Flatline Maps delivers the mapping detail and tools serious hunters rely on. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.flatlinemaps.com/pr

Screenshots

Mile4 screens
Flatline Maps4 screens

Verdict

The call

The clearest difference is rating: Mile at 4.7 against Flatline Maps's 4.0. Mile also leads on monetization model (free vs subscription) and ratings volume (1.3K vs 4). Flatline Maps's advantage is chart position (#179 vs unranked) and iOS requirement (15.1 vs 17.6). On price, update cadence, ads and in-app purchases 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. Mile sells 2 in-app purchases, starting at $5.99 per month and Flatline Maps sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Mile holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Mile has 1.3K ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

Mile ships an update every 3 weeks, Flatline Maps fortnightly. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

Scorecard5 real differences · 6 level
Mile versus Flatline Maps: the parameters behind the verdict, then further details
ParameterMileFlatline Maps
PriceFreeFree
Rating4.7 (1.3K ratings) — better4.0 (4 ratings)
Positive reviews82.1% of reviews—
Number of ratings1.3K — better4
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterSubscription
Best chart rank—#179 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.1 — better
Further details — not scored
Size124 MB83 MB
Age rating4+4+
DeveloperOnStarboard LLCFlatlineMaps, LLC

Customer experience

Mile

All ratings1,330 ratings
Positive93.4%
Neutral2.0%
Negative4.7%
Written reviews39 reviews
Positive82.1%
Neutral5.1%
Negative12.8%

Flatline Maps

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%

Bugs and requests

Mile

Reported bugs

2 issues
  • Crashes on launch
  • Incompatible with newer iOS versions

Requested features

5 requests
  • Add ability to see tenths of a mile
  • Add search functionality
  • Add compass/direction of travel
  • Add map view showing all mile markers
  • Add ability to drop pins and share locations

Flatline Maps

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Mile

Subscriptions2
  • Mile-1 Pro Monthly$5.991 Month
  • Mile-1 Pro Annual$29.991 Year
2 purchases

Flatline Maps

Subscriptions2
  • Premium Monthly$14.991 Month
  • Premium Yearly$69.991 Year

Questions

Is Mile free?
Mile is free to download, with in-app purchases available.
Is Flatline Maps free?
Flatline Maps is free to download, with in-app purchases available.
Which has better reviews, Mile or Flatline Maps?
Mile is rated higher. Mile averages 4.7 out of 5 from 1.3K ratings, while Flatline Maps averages 4.0 from 4 ratings.
Do Mile or Flatline Maps have ads?
Neither Mile nor Flatline Maps shows ads.
Which is updated more often, Mile or Flatline Maps?
Mile ships an update every 3 weeks, and Flatline Maps fortnightly. Most recently, Mile was updated on November 7, 2026 and Flatline Maps on November 9, 2026.

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