Comparison

Stargraph Pro vs StarHop Navigator

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

Head to head
About

Stargraph Pro

Features
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The Stargraph Pro companion app pairs with the Stargraph hardware to bring push-to telescope guidance right to your phone. Featuring an advanced guidance system, Stargraph will help you align your telescope with targets in the night sky regardless of their visibility. The most powerful features include: - Helping you quickly align with any star, no matter your skill level - Teaching you about the stars you're looking at - Providing a built-in planetarium that is keyed to your telescope - Operating with remarkable accuracy across most telescope setups - Compatible with your standard altitude-azimuth, Dobsonian, fork, and equatorial telescope mounts - And the system learns as you use it, getting progressively more accurate throughout your session

About

StarHop Navigator

This app guides your manual telescope to celestial objects using your iPhone's sensors. Simply attach your phone, calibrate with a few stars, select a target, and follow the on-screen crosshair to find it in your eyepiece. It's designed for beginners and experienced astronomers alike, offering a straightforward way to explore the night sky.

Highlights
  • Manual push-to guidance
  • 2-3 star calibration
  • Interactive star chart
  • Messier catalog
  • Offline functionality
  • Observation log
  • Apple Watch integration
Features
Read full description

Built for real sky navigation - no extra hardware, no cables, no complicated setup. Push-to, not GoTo: StarHop Navigator guides your telescope to deep-sky objects, planets, and stars - using your iPhone's sensors. You move the scope. The app shows you the way. Mount your iPhone to the tube, calibrate on 2–3 known stars, pick a target, and follow the crosshair until the object appears in the eyepiece. Other apps show you the sky. StarHop Navigator helps you find your way through it. WHO IS IT FOR? Beginners who want to understand the night sky. Experienced observers looking for lean support in finding their targets. Anyone with a manual telescope - Dobsonian, altazimuth, or equatorial, without motors. People who love the journey as much as the destination. HOW IT WORKS • Attach your iPhone to the telescope tube • Calibrate on 2–3 known stars • Pick a target on the chart or from the catalog: nebula, galaxy, cluster, planet, or star • Follow the crosshair until the indicator turns green • Look through the eyepiece FEATURES • Manual push-to guidance with 2–3-star calibration • Interactive star chart with constellations, planets, the Moon, and deep-sky objects - printable and exportable • Messier catalog: nebulae, galaxies, and star clusters - plus planets and the Moon • iPad support - more room for the star chart, catalog, and observation planning • iCloud sync (optional) -equipment, observation log, favorites, and notes across all your devices • Observation log, favorites, and equipment management • Bortle slider - adapts star density to your sky • Seasonal observing lists and time travel for planning • StarHop Link - live pointing on iPad/Mac or LX200 connection to planetarium apps • Apple Watch: current target and centering indicator on your wrist • Works fully offline - night mode, no ads, no account needed

Screenshots

Stargraph Pro4 screens
StarHop Navigator4 screens

Verdict

The call

The clearest difference is price: Stargraph Pro at Free against StarHop Navigator's $3.99. Stargraph Pro also leads on iOS requirement (15.6 vs 18.0). On update cadence, 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

Stargraph Pro is free to download; StarHop Navigator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Stargraph Pro ships an update every 2 weeks, StarHop Navigator every 3 weeks. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 7 level
Stargraph Pro versus StarHop Navigator: the parameters behind the verdict, then further details
ParameterStargraph ProStarHop Navigator
PriceFree — better$3.99
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPodiPhone, iPad, Apple Watch — better
Requires iOS15.6 — better18.0
Further details — not scored
Size43 MB135 MB
Age rating4+4+
DeveloperJosh ColeBERNHARD MICHAEL HELPFERER

In-app purchases

None

Stargraph Pro

No in-app purchases

None

StarHop Navigator

No in-app purchases

Questions

Is Stargraph Pro free?
Stargraph Pro is free to download, with no in-app purchases.
Is StarHop Navigator free?
StarHop Navigator costs $3.99, with no in-app purchases.
Do Stargraph Pro or StarHop Navigator have ads?
Neither Stargraph Pro nor StarHop Navigator shows ads.
Which is updated more often, Stargraph Pro or StarHop Navigator?
Stargraph Pro ships an update every 2 weeks, and StarHop Navigator every 3 weeks. Most recently, Stargraph Pro was updated on October 30, 2026 and StarHop Navigator on October 24, 2026.

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