Comparison

OTAMap vs d20 3D

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

d20 3D

Simulate realistic dice rolls with impressive 3D graphics. This app allows you to roll multiple dice simultaneously and automatically calculates the total, enhancing tabletop gaming experiences without the need for physical dice.

Highlights
  • Realistic 3D dice rolling
  • Support for d4, d6, d8, d10, d12, d20
  • Roll up to 10 of each dice type
  • Integer modifier for rolls
  • Automatic addition of dice totals
Features
Read full description

Roll dice and let the computer count them without losing the feeling of real dice! d20 3D lets you roll as many dice as you want with stunning 3D graphics! Watch your dice roll across the table and feel the panic as you see a d20 teeter on the edge of rolling a 1! Features include: • d4, d6, d8, d10, d12, and d20 dice • Up to 10 of each dice all at the same time, with no considerable lag • Integer modifier to any roll • Automatic computer addition of all dice on table Send suggestions and feedback to support@alvios.com!

Screenshots

OTAMap4 screens
d20 3D4 screens

Verdict

The call

The clearest difference is review sentiment: d20 3D at 100% against OTAMap's 50%. d20 3D also leads on price (Free vs $2.99) and rating (5.0 vs 3.6). OTAMap's advantage is ratings volume (9 vs 2). 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

d20 3D is free to download; OTAMap costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

d20 3D holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 9 and 2 respectively. Written reviews point the same way: 50% of OTAMap's written reviews are positive against 100% of d20 3D's.

Scorecard6 real differences · 4 level
OTAMap versus d20 3D: the parameters behind the verdict, then further details
ParameterOTAMapd20 3D
Price$2.99Free — better
Rating3.6 (9 ratings)5.0 (2 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings9 — better2
Update frequencyEvery 38 months—
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.06.0 — better
Further details — not scored
Size23 MB93 MB
Age rating4+4+
DeveloperArctic Surf DesignsTechnospirits

Customer experience

OTAMap

All ratings9 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews28 reviews
Positive50.0%
Neutral10.7%
Negative39.3%

d20 3D

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

OTAMap

No in-app purchases

None

d20 3D

No in-app purchases

Questions

Is OTAMap free?
OTAMap costs $2.99, with no in-app purchases.
Is d20 3D free?
d20 3D is free to download, with no in-app purchases.
Which has better reviews, OTAMap or d20 3D?
d20 3D is rated higher. OTAMap averages 3.6 out of 5 from 9 ratings, while d20 3D averages 5.0 from 2 ratings.
Do OTAMap or d20 3D have ads?
Neither OTAMap nor d20 3D shows ads.

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