Comparison

OTAMap vs Remote Valve app

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

Head to head
About

OTAMap

Locate and aim your antenna for Over The Air (OTA) television and FM stations. View transmission tower positions relative to your location to optimize reception for local or distant channels. Supports continental USA, Alaska, Canada, Hawaii, and Northern Mexico.

Highlights
  • Find OTA TV and FM stations
  • View transmission tower locations
  • Optimize antenna aiming
  • Filter stations by distance, power, and contour
  • Save and recall locations
  • Offline mapping functionality
Features
Read full description

Works for both FM and TV! Loaded with new features in 2.0! Use OTAMap to find and point your antenna to all your Over The Air (OTA) television and FM stations. OTAMap gives you the latest Over The Air (OTA) television/FM station information. for all of the continental USA, Alaska, Canada, Hawaii, Northern Mexico and some US territories such as Puerto Rico. OTA Map will list all OTA channels/stations within 150 miles of your current geographical position as indicated by your iPhone/iPad. With this tool you can quickly see what OTA stations may be available in your area. With OTAMap you can view the position of the transmission towers, of any of these Over The Air television stations, in relationship to you. This can be used to help adjust your HD OTA antenna for local reception, for that hard to get station, or even the far far away channel that you have been trying to "DX" for quite a while. Whether you are on your roof or turning your rotor from your living room, OTAMap can help you. *****Note to Northern Canadian Users: OTAMap does work everywhere in Canada (including Edmonton), however you may need to flip on the Industry Canada Data in the preferences. Some of the new features in 2.0 Now you can choose between FM or TV stations •You can filter station list based on distance, power, FCC data, Industry Canada data, Canadian, Mexican and US stations. •You can now even filter based on whether your location falls within a stations 41 dBU Contours! •You can sort the displayed stations by distance, channel, power or even it's bearing from you. •Save and recall locations. •Do locations based on -Actual GPS -Entered GPS (IOS 6.1 and higher only) -ZIP/postal code (IOS 6.1 and higher only) -Street Address (IOS 6.1 and higher only) -Or a previously saved location. •Download and update latest FCC station data anytime. •No longer server based. Some functionality will run without a network connection. If a particular map was previously loaded, even mapping functionality may work offline. •Fixed magnetic declination (no longer IRC dependent) (may be off as you near the Arctic Circle). •Added ability to add stations/save maps to a DX list. The list can be pulled up anytime and the pointing maps reviewed. •Added Super Contour Map. Given a particular location it -will list all stations that fall within the 41/60 dBu contour map which should indicate stations that should be received relatively easily. Will show curves of all coverage contours and darken overlapping sections. The resulting stations can then be viewed as your filtered station list. •Added a search for call sign option. This will allow mapping of super long range reception or help in obscure DX attempts. •Now works for all of the Great White North - Uses IRC data for anything not included in the FCC database. •In the station pointing map view the map can be updated if the users gps determination has changed. •In the station pointing and the all station map views, you can drag the home icon to say a different part of the roof/yard and the calculations will follow. •You can erase your downloaded data (which may include FCC FM/TV database and any cached contours) and restore to original data from preference menu.

About

Remote Valve app

Features
Read full description

This app is designed for controlling and monitoring Remote Valve system by KOMOTO

Screenshots

OTAMap4 screens
Remote Valve app3 screens

Verdict

The call

The clearest difference is price: Remote Valve app at Free against OTAMap's $2.99. Remote Valve app also leads on update cadence (every 6 months vs every 38 months) and iOS requirement (13.0 vs 15.0). On ads, in-app purchases 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

Remote Valve app is free to download; OTAMap costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

OTAMap ships an update every 38 months, Remote Valve app every 6 months. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 7 level
OTAMap versus Remote Valve app: the parameters behind the verdict, then further details
ParameterOTAMapRemote Valve app
Price$2.99Free — better
Rating3.6 (9 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings9 — better—
Update frequencyEvery 38 monthsEvery 6 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size23 MB36 MB
Age rating4+4+
DeveloperArctic Surf DesignsHighmaru, Inc.

In-app purchases

None

OTAMap

No in-app purchases

None

Remote Valve app

No in-app purchases

Questions

Is OTAMap free?
OTAMap costs $2.99, with no in-app purchases.
Is Remote Valve app free?
Remote Valve app is free to download, with no in-app purchases.
Do OTAMap or Remote Valve app have ads?
Neither OTAMap nor Remote Valve app shows ads.
Which is updated more often, OTAMap or Remote Valve app?
OTAMap ships an update every 38 months, and Remote Valve app every 6 months. Most recently, OTAMap was updated on October 23, 2026 and Remote Valve app on October 10, 2026.

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