Comparison

efX vs LogosX

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

Head to head
About

efX

Monitor the status and usage of your x-ray systems remotely. Track scan progress, view live data, and manage your devices from anywhere. Requires a North Star Imaging X-ray system and service agreement.

Highlights
  • View all x-ray systems at once
  • Monitor system usage
  • Track scan progress
  • View live system data
  • Enterprise management options
  • Private mode for secure environments
Read full description

See the status of all your x-ray systems. Monitor your system usages on the go for maximum efficiency. Connecting your NSI x-ray system(s) with the app is easy. Simply download the app, scan the QR code in efX-DR and you’re ready to go! Once you and your system are registered, keep up to date with what your system is doing from anywhere. No need to stand next to your system to wait for that scan to finish. KEEP AN EYE ON THE BIG PICTURE • View all your x-ray systems at once • See which systems are currently in use. • Option for enterprise management of your x-ray systems and mobile devices STAY UPDATED • View live data for your x-ray systems. Keep up to date with the progress of your scans • See the status of your x-ray: progression, interruption, completion • Preview what your system is scanning. • Allows private mode setting for secure environments. A North Star Imaging X-ray system, efX software, and active NSI service agreement is required to use this app.

About

LogosX

Features
Read full description

LogosX enables fast, reliable X-ray image capture, inspection, and incident management in the field. It is purpose-built for law enforcement, military EOD, and tactical response operations using Logos Imaging portable digital radiography systems. Designed for demanding environments, LogosX keeps essential capture and review tools clear and accessible when time matters. Operators can acquire, organize, enhance, annotate, stitch, and export high-quality X-ray images directly from supported devices. Whether conducting routine sweeps or responding to high-risk incidents, LogosX provides the clarity and control needed to review imagery and make informed operational decisions. Key Features: • Wired and wireless X-ray image capture • Single-image, dual-energy, and mosaic capture workflows • Incident-based image organization and management • Advanced 16-bit window/level, filtering, measurement, ROI, and annotation tools • Image stitching with alignment and blending controls • Image and incident import, export, and sharing • Online and offline activation options • Responsive, touch-friendly workflows for field devices Supported Detector Panels: • SÓSTOS • XIRÓS • STENÓS Who It’s For: • State and local law enforcement bomb squads • Military EOD teams • Tactical response units using portable X-ray systems From routine inspections to high-risk responses, LogosX equips teams with practical imaging tools for confident, efficient field operations.

Screenshots

efX4 screens
LogosX4 screens

Verdict

The call

The clearest difference is update cadence: LogosX at every 5 weeks against efX's every 3 months. efX's advantage is iOS requirement (8.0 vs 15.0). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

efX ships an update every 3 months, LogosX every 5 weeks. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 7 level
efX versus LogosX: the parameters behind the verdict, then further details
ParameterefXLogosX
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS8.0 — better15.0
Further details — not scored
Size65 MB83 MB
Age rating4+4+
DeveloperNorth Star Imaging, Inc.Logos Imaging

In-app purchases

None

efX

No in-app purchases

None

LogosX

No in-app purchases

Questions

Is efX free?
efX is free to download, with no in-app purchases.
Is LogosX free?
LogosX is free to download, with no in-app purchases.
Do efX or LogosX have ads?
Neither efX nor LogosX shows ads.
Which is updated more often, efX or LogosX?
efX ships an update every 3 months, and LogosX every 5 weeks. Most recently, efX was updated on October 1, 2026 and LogosX on October 7, 2026.

Other comparisons