Comparison

SSTrainer vs MLAstro Hub

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

Head to head
About

SSTrainer

Read full description

小智慧,多功能训练器,SSTrainer

About

MLAstro Hub

Control your OnStep telescope mount wirelessly from your phone. Manage mount status, navigate celestial catalogs, and perform alignment and configuration tasks without a laptop.

Highlights
  • Live mount status monitoring
  • Directional control with adjustable slew rates
  • One-tap home and park functionality
  • Access to celestial object catalogs for Go-To slewing
  • Guided alignment workflow
  • Flexible Wi-Fi network setup
  • Configuration and tuning options
Features
Read full description

MLAstro is the wireless remote control companion for OnStep-based telescope mounts connected through SmartWebServer. Whether you're in your backyard or at a dark-sky site, MLAstro gives you everything you need right from your phone — no laptop, no cables, no hassle. KEY FEATURES ● Live Mount Status See your mount's current state at a glance: tracking mode, guide rates, slew status, and connection health — all updated in real time. ● Full Directional Control A responsive on-screen directional pad lets you nudge the mount in any direction. Adjust slew rates, start or stop tracking, and send mount utility commands with a tap. ● Home & Park Safely home or park your mount at the end of a session with dedicated one-tap controls. ● Go-To Catalogs Browse built-in catalogs and send your mount directly to any object: - Messier catalog (110 objects) - Caldwell catalog (109 objects) - Bright Stars list - J2000 coordinate entry for any custom target ● Target Detail & Slew View object details before slewing, confirm the target, and watch your mount move — all from one clean screen. ● Alignment Workflow Step through the alignment process guided by the app, so your mount points accurately every time. ● Flexible Network Setup Supports both Access Point and Station (router) Wi-Fi modes. Save your controller's IP address and port so you're always one tap from connecting. ● Configuration & Tuning Adjust meridian flip settings, slew limits, slew rates, tracking mode, time & location, and controller / axis parameters — all without leaving the app. ● Light & Dark Theme Choose light, dark, or follow your system preference. REQUIREMENTS - An OnStep-based telescope mount controller - SmartWebServer (or compatible TCP bridge) running on port 9998 (configurable) - iOS 15 or later - Same local Wi-Fi network as the mount MLAstro is built for amateur astronomers who want a clean, capable mobile controller for their OnStep rig. No account required. No cloud. Just your phone and your mount.

Screenshots

SSTrainer3 screens
MLAstro Hub4 screens

Verdict

The call

The clearest difference is device support: MLAstro Hub at 3 against SSTrainer's —. SSTrainer's advantage is iOS requirement (13.0 vs 15.0). On price and in-app purchases 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.

Scorecard2 real differences · 7 level
SSTrainer versus MLAstro Hub: the parameters behind the verdict, then further details
ParameterSSTrainerMLAstro Hub
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequency—Every 5 days
Ads—No
In-app purchasesNoNo
Monetization—Free
Devices—iPhone, iPad, iPod — better
Requires iOS13.0 — better15.0
Further details — not scored
Size31 MB86 MB
Age rating17+4+
Developer东莞市斯波阿斯体育用品科技有限公司To Ngoc Khanh

In-app purchases

None

SSTrainer

No in-app purchases

None

MLAstro Hub

No in-app purchases

Questions

Is SSTrainer free?
SSTrainer is free to download, with no in-app purchases.
Is MLAstro Hub free?
MLAstro Hub is free to download, with no in-app purchases.

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