Comparison

Extron Remote Management vs AstroTool

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

Head to head
About

Extron Remote Management

Monitor and manage Extron Company assets remotely from your mobile device. View real-time data for temperature, CO2, and fan status, and receive alerts for warnings and errors. The app offers the same functionality as the web application for convenient asset management.

Highlights
  • Real-time asset status visualizations
  • Configuration for operational modes
  • Front-page alerts for warnings/errors
  • Access to bin and pile metrics
  • Sync with local Gateways and web app
Features
Read full description

Mobile version of the Extron Remote Management asset monitoring and management system. Manage your Extron Company assets, anywhere. Sign in using your ERM account to monitor and update your temperature probes, CO2 sensors, fans, level probes, and more. The same experience as the ERM web application, on your mobile device - Visualizations of current temperature, CO2, fan, and level probe status - Configuration pages for pile and bin operation modes, fans, and probes - Front-page alerts for warnings and errors - Easy access to metrics for each bin and pile - Instantly sync with your local Gateways and the ERM web application Requires an on-premise hardware installation by EXTRON Company and a pre-provisioned account granting access to the ERM web application. Visit our website for more information

About

AstroTool

Features
Read full description

AstroTool — Astrophotography Planner & Sky Map Plan better. Shoot more. Miss nothing. AstroTool is the complete astrophotography companion for iPhone — from scouting tonight's targets to logging every capture. A live sky map you can actually use in the field, planning tools built around how astrophotographers think, and a session logger that keeps your imaging history in one place. FREE FEATURES Sky Map A fully rendered live sky chart with 100+ bright stars, all 110 Messier objects, the Sun, Moon, and all planets. Constellation lines, constellation name labels, the Milky Way band, and the ecliptic arc are all drawn in real time. Tap any object for instant identification — name, type, magnitude, and position. Procedural rolling-hill horizon with compass ticks and cardinal labels. Motion-driven so the sky moves as you move. Deep Sky Catalog Browse the complete Messier catalog with search, type filters, and sort by ID, magnitude, or altitude. Every object shows rise, transit, and set times for your location, a visibility chart for tonight, and your full capture history for that target. Mark favorites and pick up right where you left off. PREMIUM — ONE-TIME UNLOCK Planner Everything you need before you head out. Moon phase and illumination with an imaging impact rating. Full twilight schedule — civil, nautical, and astronomical dusk and dawn with total dark-sky hours. All visible planets with live altitude and transit times. Jupiter's Galilean moons in a live canvas diagram. Best targets tonight ranked by a composite altitude and moon-separation score. Target schedule to plan your imaging windows object by object. Astrophotography Calculator Field of view for your exact sensor and focal length with sensor presets for Full Frame, APS-C, Micro 4/3, and custom. Unguided exposure limits via the 500, 400, and 300 rules for fixed tripod, tracking mount, and guided setups. Integration time calculator with sub count and a signal quality indicator. Session Logger Log every observing session with sky conditions — Bortle scale, seeing, and transparency. Add individual captures with exposure length, sub count, gain, filter, equipment, reference path, and a star rating. Total integration time tracked automatically. Export any session as formatted text to share or archive. Full equipment manager for telescopes and cameras with sensor specs, focal length, and reducer support. Target Schedule Build a nightly imaging plan by scheduling capture windows for specific catalog objects. Log past captures directly from the schedule. Mark targets done as you work through the night. Events & Alerts Upcoming meteor showers with ZHR and peak dates, lunar phases, planet oppositions and conjunctions, greatest elongations, and solstices and equinoxes. Notification support so you never miss an event. Polar Alignment Guide & Pre-Session Checklist Step-by-step polar alignment instructions and a fully customisable pre-session checklist with presets covering setup, camera, focusing, guiding, imaging, calibration, and wrap-up. — No subscription. No ads. No account required. Pay once, own everything forever. All calculations run on-device using your GPS location. No data is sent anywhere.

Screenshots

Extron Remote Management1 screens
AstroTool4 screens

Verdict

The call

The clearest difference is in-app purchases: Extron Remote Management at none against AstroTool's 1. Extron Remote Management also leads on iOS requirement (11.0 vs 17.0). AstroTool's advantage is update cadence (every 9 days vs every 3 weeks). On price, ads 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. AstroTool sells 1 one-off in-app purchase. Extron Remote Management asks for nothing beyond the download.

UpkeepUpdate frequency

Extron Remote Management ships an update every 3 weeks, AstroTool every 9 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 6 level
Extron Remote Management versus AstroTool: the parameters behind the verdict, then further details
ParameterExtron Remote ManagementAstroTool
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 weeksEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better17.0
Further details — not scored
Size15 MB3 MB
Age rating4+4+
DeveloperExtron Companyluciano cavazos

In-app purchases

None

Extron Remote Management

No in-app purchases

1 purchases

AstroTool

One-time1
  • AstroTool Premium Unlock$4.99

Questions

Is Extron Remote Management free?
Extron Remote Management is free to download, with no in-app purchases.
Is AstroTool free?
AstroTool is free to download, with in-app purchases available.
Do Extron Remote Management or AstroTool have ads?
Neither Extron Remote Management nor AstroTool shows ads.
Which is updated more often, Extron Remote Management or AstroTool?
Extron Remote Management ships an update every 3 weeks, and AstroTool every 9 days. Most recently, Extron Remote Management was updated on October 8, 2026 and AstroTool on October 7, 2026.

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