Comparison

V3 SOUND CONTROL vs CoilTrail

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

Head to head
About

V3 SOUND CONTROL

Features
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This app lets you control sounds, parameters, and settings on your V3 Sound expanders, including the new Pro Line Sound Expander and XXL models. Select sounds, change parameters such as volume, reverb and many other parameters, and save everything in a Registration. You can save 300 Registrations, overlay and split up to 6 sounds on one MIDI channel. Hardware requirement: The app only works in conjunction with the optional hardware "V3-SOUND-CONTROL", a Bluetooth receiver in the form of a USB stick. Connection: The app sends the parameters via Bluetooth from the tablet to the Bluetooth receiver, which is connected to the USB port of the V3 Sound Expander. The MIDI keyboard is connected to the V3 Sound Expander using a standard MIDI cable.

About

CoilTrail

Features
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Welcome to CoilTrail, the ultimate metal detector log and relic hunting app. Whether you are a weekend hobbyist or a seasoned professional, this complete metal detecting diary is your essential tool for GPS treasure hunting. Stop relying on your memory and start mapping your success! - Detectorist`s Route Tracker Never search the same empty ground twice! Our smart GPS tracker records your exact walking path while you swing. Simply keep the app open or use our handy screen-awake feature, and save your sweeping routes directly to the map. - Detector Finds Map & Treasure Find Recorder Log every coin, relic, and piece of jewelry exactly where you dug it. Add photos, depth, and custom color pins to build your personal detector finds map. Categorize your trips into folders for easy browsing. - 3D LiDAR & Hillshade Maps (Pro) Uncover hidden terrain features like old riverbeds, sunken paths, and ancient foundations. Access global high-resolution 3D LiDAR and Hillshade maps. Use the interactive opacity slider to blend the 3D shadows perfectly with your base map! - Advanced Soil Maps & Topography (Pro) Identify the best grounds for old settlements! Access dynamic USGS geological maps in the United States and GTK soil maps in Finland to analyze ground types (sand, clay, bedrock) directly under your feet. - Distance & Area Measuring Tools (Pro) Measure exact distances and field areas directly on the map. Perfect for planning your search grids and estimating the size of potential hunting grounds before you walk. - Metal Detecting Logbook & Stats (Pro) Keep a detailed history of your equipment and target ID statistics. The perfect coinshooting journal for analyzing which detector, coil, and settings work best for specific items. - Landowner Permissions (Pro) Easily save landowner contact details and permission boundaries directly on the map. Always know whose land you are on and who to call. - Export & Backup Export your finding reports and session data to CSV or PDF files. Keep your valuable data safe with easy backup options. Turn your smartphone into the most powerful relic hunting app available. Download CoilTrail today and start building your personal treasure map! Terms of Use (EULA) & Privacy Policy: https://sites.google.com/view/coiltrail

Screenshots

CoilTrail4 screens

Verdict

The call

The clearest difference is in-app purchases: V3 SOUND CONTROL at none against CoilTrail's 2. V3 SOUND CONTROL also leads on iOS requirement (12.2 vs 15.0). CoilTrail's advantage is update cadence (every 5 days vs every 2 months) and device support (3 vs 1). On price and ads there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. CoilTrail sells 2 in-app purchases, starting at $3.99 per month. V3 SOUND CONTROL asks for nothing beyond the download.

UpkeepUpdate frequency

V3 SOUND CONTROL ships an update every 2 months, CoilTrail every 5 days. The most recent releases landed on August 5, 2026 and August 29, 2026 respectively.

Scorecard4 real differences ยท 2 level
V3 SOUND CONTROL versus CoilTrail: the parameters behind the verdict, then further details
ParameterV3 SOUND CONTROLCoilTrail
PriceFreeFree
Update frequencyEvery 2 monthsEvery 5 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPadiPhone, iPad, iPod โ€” better
Requires iOS12.2 โ€” better15.0
Further details โ€” not scored
Size50 MB39 MB
Age rating4+4+
DeveloperV3SOUND GmbHANTTI-PEKKA DAVIDSSON

In-app purchases

None

V3 SOUND CONTROL

No in-app purchases

2 purchases

CoilTrail

Subscriptions2
  • CoilTrail Pro monthly7 Days trial$3.991 Month
  • CoilTrail Pro Yearly7 Days trial$34.991 Year

Questions

Is V3 SOUND CONTROL free?
V3 SOUND CONTROL is free to download, with no in-app purchases.
Is CoilTrail free?
CoilTrail is free to download, with in-app purchases available.
Do V3 SOUND CONTROL or CoilTrail have ads?
Neither V3 SOUND CONTROL nor CoilTrail shows ads.
Which is updated more often, V3 SOUND CONTROL or CoilTrail?
V3 SOUND CONTROL ships an update every 2 months, and CoilTrail every 5 days. Most recently, V3 SOUND CONTROL was updated on August 5, 2026 and CoilTrail on August 29, 2026.

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