SIG BDX vs Nautiq
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SIG BDX
This application connects a rangefinder to a riflescope, displaying an illuminated holdover dot for precise aiming. It facilitates syncing devices and provides ballistic data for accurate shots up to 800 yards.
- Sync rangefinder with riflescope
- Display illuminated holdover dot
- Measure target distance
- Ballistic data integration
- Connect The Dot™ system
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The KILO BDX rangefinders use Applied Ballistics and Bluetooth® to illuminate the exact holdover dot in SIERRA3BDX riflescopes. For the most accurate and ethical shot, just Connect The Dot™. - DOWNLOAD: Download the app - SYNC: Sync the app with your rangefinder - BOND: Use the app to bond the rangefinder with the riflescope - RANGE: Press the RANGE button to measure the distance of your target - POWER SELECTOR RING: When the SIERRA3BDX riflescope is actively paired with a KILO BDX rangefinder, the blue LED on the power selector ring will be illuminated solid blue. This Blue LED will flash quickly 8X for one second whenever the riflescope has received a new holdover reticle update from the rangefinder. The BDX system works out to 800 yards with 1 MOA of accuracy - CONNECT THE DOT™: It’s time for hunting. Once the riflescope is turned on, range the target and the new hold is lit up out to 800 yards
Nautiq
This app is the official companion for a specific dive computer, allowing users to download dive profiles, manage device settings, and update firmware. It provides detailed dive data, log management, and automatic time synchronization. A Pro version offers unlimited storage and data import/export.
- Download dive profiles
- Manage device settings
- Update device firmware
- Detailed dive log browsing
- Automatic time synchronization
- iCloud backup of dive data
- Import/export dive logs (Pro)
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Nautiq is the officially endorsed companion app for the Deep6 Excursion dive computer. Built from the ground up for iPhone, Nautiq connects to your Excursion via Bluetooth LE to download dive profiles, manage device settings, and update firmware — features no other iOS app delivers. SYNC YOUR DIVES Connect your Excursion in Sync mode and Nautiq downloads your dive profiles automatically. View detailed depth profiles, temperature data, decompression status, gas mixes, and more. Supports both legacy and modern firmware versions. FIRMWARE UPDATES ON iPHONE Keep your Excursion up to date with the latest firmware releases, directly from your iPhone. As the official Deep6 companion app, Nautiq delivers firmware updates as they become available. DEVICE SETTINGS Read and write every configurable setting on your Excursion: nitrox mix, conservatism factor, alarms, sampling rate, display units, backlight, and more. Changes are saved to the device immediately. DEVICE MAINTENANCE Clear dive logs, reset tissue compartments, soft reset, or restore factory settings — all from the app with confirmation prompts to prevent accidents. DIVE LOG Browse your dives with depth, duration, temperature, and dive mode at a glance. Search by site name, buddy, or notes. Sort by date, depth, duration, or rating. Add manual dives for logging non-computer dives. DIVE DETAIL Tap any dive to see the full depth profile graph, temperature overlay, decompression data, gas mixes, and alarm events. Edit site name, buddy, dive master, rating, visibility, and conditions. IMPORT & EXPORT (Pro) Import dive logs from other apps via CSV or UDDF files. Export your full dive history as CSV or UDDF for backup or use in desktop applications like Subsurface or MacDive. AUTO TIME SYNC Nautiq automatically sets your Excursion's clock to match your phone every time you connect. No more manually adjusting the time on the watch. iCLOUD BACKUP Your dive data is automatically backed up to iCloud. Switch phones and your entire dive history comes with you. FREE vs PRO Nautiq is free to download with up to 10 dives stored. Firmware updates, device settings, and device maintenance are always free. Upgrade to Nautiq Pro ($11.99 one-time purchase) for unlimited dive storage and CSV/UDDF import and export. SUPPORTED HARDWARE - Deep6 Excursion REQUIREMENTS - iPhone with Bluetooth LE - iOS 17.0 or later - Deep6 Excursion dive computer in Sync mode
Screenshots
Verdict
The clearest difference is rating: Nautiq at 5.0 against SIG BDX's 3.4. SIG BDX's advantage is in-app purchases (none vs 1) and ratings volume (68 vs 1). On price, ads, device support and iOS requirement 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
Both are free to download. Nautiq sells 1 one-off in-app purchase. SIG BDX asks for nothing beyond the download.
Nautiq holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: SIG BDX has 68 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | SIG BDX | Nautiq |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (68 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 68 — better | 1 |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 137 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Sig Sauer, Inc. | Arshia Pessaran |
In-app purchases
SIG BDX
No in-app purchases
Nautiq
- Nautiq Pro$11.99









