Side A
star map
Side B
Star Tracker - Mobile Sky Map
Star Tracker - Mobile Sky Map
Stellarium - Star Map
Stellarium - Star Map

Star Tracker - Mobile Sky Map

Explore constellations, planets and stars with this night sky tracker & locator!

Stellarium - Star Map

Identify stars, planets & constellations in a realistic 3D sky map

Rank

8

For keyword

star map

Rank

1

USEnglish (United States)
Google Play
Rank History
Star Tracker - Mobile Sky Map
Stellarium - Star Map
Star Tracker - Mobile Sky Map on 2026-06-16: rank 4Star Tracker - Mobile Sky Map on 2026-06-17: rank 5Star Tracker - Mobile Sky Map on 2026-06-18: rank 4Star Tracker - Mobile Sky Map on 2026-06-19: rank 4Star Tracker - Mobile Sky Map on 2026-06-20: rank 4Star Tracker - Mobile Sky Map on 2026-06-21: rank 4Star Tracker - Mobile Sky Map on 2026-06-22: rank 5Star Tracker - Mobile Sky Map on 2026-06-23: rank 5Star Tracker - Mobile Sky Map on 2026-06-24: rank 8Stellarium - Star Map on 2026-06-13: rank 1Stellarium - Star Map on 2026-06-14: rank 1Stellarium - Star Map on 2026-06-15: rank 1Stellarium - Star Map on 2026-06-16: rank 1Stellarium - Star Map on 2026-06-17: rank 1Stellarium - Star Map on 2026-06-18: rank 1Stellarium - Star Map on 2026-06-19: rank 1Stellarium - Star Map on 2026-06-20: rank 1Stellarium - Star Map on 2026-06-21: rank 1Stellarium - Star Map on 2026-06-22: rank 1Stellarium - Star Map on 2026-06-23: rank 1Stellarium - Star Map on 2026-06-24: rank 1
A31
69B
01Store Presence
5.25 / 12.5
vs
7.25 / 12.5
App A
App B
First released · max +1.5 pts
Jun 12, 2014 +1.5
First released max +1.5 pts
Dec 4, 2020
Last updated · max +1.5 pts
Feb 7, 2026
Last updated max +1.5 pts
+1.5Jun 15, 2026
Screenshot count · max +0.5 pts
5
Screenshot count max +0.5 pts
+0.517
Downloads · max +3 pts
10,000,000+ +1.5
Downloads max +3 pts
+1.510,000,000+
App price · max +0.5 pts
Free +0.25
App price max +0.5 pts
+0.25Free
Min IAP price · max +0.5 pts
0.99 $ +0.5
Min IAP price max +0.5 pts
1.99 $
Max IAP price · max +0.5 pts
2.99 $ +0.5
Max IAP price max +0.5 pts
19.99 $
Ads · max +0.5 pts
Yes
Ads max +0.5 pts
+0.5No
Rating · max +2 pts
4.5 ★ +0.5
Rating max +2 pts
+1.54.8 ★
Rating count · max +2 pts
82K +0.5
Rating count max +2 pts
+1.5318K
02Keyword Optimization
1.5 / 9
vs
7.5 / 9
App A
App B
Keyword in Title · max +3 pts
All words (2/2)
Keyword in Title max +3 pts
+3Yes (exact)
Keyword in Short Description · max +2 pts
No +1

Explore constellations, planets and stars with this night sky tracker & locator!

Keyword in Short Description max +2 pts
+11/2 words

Identify stars, planets & constellations in a realistic 3D sky map

Keyword in Description · max +2 pts
1/2 words
Keyword in Description max +2 pts
+2Yes (exact)
Keyword Density · max +1 pts
Low (0.4%)
Keyword Density max +1 pts
+1Medium (0.7%)
Title Length · max +1 pts
Optimised (30 chars) +0.5
Title Length max +1 pts
+0.5Optimised (21 chars)
03Conversion Intelligence
1.5 / 8
vs
6.5 / 8

Stellarium - Star Map uses clear captions and real-world sky visuals to communicate its value and features, while Star Tracker - Mobile Sky Map relies on raw constellation UI without explanatory text. Stellarium - Star Map also provides a stronger emotional hook by showing the user experience and outcome, but neither app surfaces visible trust signals in the screenshots.

Scanned screenshots4 a · 4 b

Only the first 4 screenshots from each side are sent to the AI. These are what users see in App Store and Google Play search results, so they carry most of the conversion weight.

App A

App A screenshot 1App A screenshot 2App A screenshot 3App A screenshot 4

App B

App B screenshot 1App B screenshot 2App B screenshot 3App B screenshot 4

Value Proposition

B leads
AWeak

Star Tracker - Mobile Sky Map shows only constellation overlays with no captions or context for the core benefit.

BStrong

Stellarium - Star Map's first screenshot states "The most realistic sky at any time" and shows a real-sky simulation, making the benefit explicit.

Clarity

B leads
AWeak

Star Tracker - Mobile Sky Map's screenshots show only constellation art and star names, with no feature explanations or UI context.

BStrong

Stellarium - Star Map uses captions like 'Point your phone to spot planets' and 'See satellites pass overhead' to explain features directly.

Emotional Hook

B leads
AWeak

Star Tracker - Mobile Sky Map uses only raw constellation visuals with no lifestyle imagery or outcome-focused copy.

BOn par

Stellarium - Star Map shows a real sky horizon and user-perspective visuals, but lacks lifestyle imagery or explicit emotional outcome statements.

Trust Signals

Tied
AWeak

Star Tracker - Mobile Sky Map has no visible awards, testimonials, user counts, or trust badges in any screenshot.

BWeak

Stellarium - Star Map does not display any trust badges, awards, or user testimonials in its screenshots.

04Review Intelligence
3.5 / 10
vs
6.5 / 10

Star Tracker - Mobile Sky Map shows recurring complaints about crashes, won't open, and alignment/compass issues, even though users also praise it for being easy to use, accurate, and helpful for finding constellations and planets. Stellarium - Star Map is praised for being easy to use, educational, and very precise, while recurring pain points center on paywall limits and a few camera/AR or mount-related issues.

App A: 100 reviews App B: 100 reviews

App A

100 reviews

Pain points

crashes and won't open

High

alignment and compass direction issues

Medium

too many ads

Low

Strengths

easy to use and helpful

Medium

accurate sky guidance

Medium

educational star and planet finding

Medium

App B

100 reviews

Pain points

paywall limits

Medium

camera and AR accuracy issues

Low

mount compatibility issue

Low

Strengths

easy to use and educational

Medium

precise sky tracking

Medium

stars, planets, and galaxies discovery

Medium
05Positioning Gap
7.5 / 15
vs
7.5 / 15

Star Tracker - Mobile Sky Map leads with a mobile sky map utility and practical AR tracking, while Stellarium - Star Map leads with a realistic planetarium and broader astronomical simulation. The mismatch is that Star Tracker - Mobile Sky Map sells immediate outdoor pointing and offline convenience, while Stellarium - Star Map sells a more expansive, simulation-first astronomy experience.

App A

Positioning

AR sky tracker

Target audience

outdoor stargazers using a phone

Value promise

Point at the sky and see stars in real time

Tone

feature-focused, casual

App B

Positioning

Realistic planetarium

Target audience

astronomy explorers and families

Value promise

See an accurate sky simulation for any time and place

Tone

feature-focused, professional

Gap

Star Tracker - Mobile Sky Map leads with "hold up & point the device to the sky" and "offline" field use, while Stellarium - Star Map leads with "accurate night sky simulation" and broader astronomy discovery.

Opportunity

That gap lets Star Tracker - Mobile Sky Map own the instant outdoor locator use case for users who want a fast, no-setup star map during real stargazing.

Risk

Star Tracker - Mobile Sky Map’s listing leans heavily on features like "All data is offline!" and orientation notes, which can make the first impression feel technical before the benefit is fully clear. For first-time searchers, that can reduce confidence that the app will quickly answer the simple question: what am I looking at right now?

Strategic advantage

Star Tracker - Mobile Sky Map can lean into real-time pointing plus offline reliability, which is a strong fit for campers, travelers, and casual stargazers who may not want a simulation-heavy astronomy app. That combination is more concrete than Stellarium - Star Map’s broader planetarium framing when the buying motive is immediate identification outdoors.

Missed opportunity

Neither listing owns the beginner reassurance angle: a first-time user who wants to identify one bright object without learning astronomy terms. That is a narrower, high-intent whitespace because both apps emphasize capability more than confidence-building guidance.

06Final Verdict
31 / 100
vs
69 / 100

App A

31

Star Tracker - Mobile Sky Map

Far behind

B wins

App B

69

Stellarium - Star Map

Dominant

For star map on Google Play, Stellarium - Star Map at #1 looks defensible against Star Tracker - Mobile Sky Map at #8 because the listing is much tighter on keyword fit, clearer on first-glance value, and backed by stronger recent review signals. Star Tracker - Mobile Sky Map still has a real opening if it can turn its outdoor pointing use case into a faster, more trustworthy star map promise.

Why it wins

Stellarium - Star Map matches star map intent more directly with Identify stars, planets & constellations in a realistic 3D sky map, then reinforces that with clearer screenshot captions and fewer trust-eroding review themes. Star Tracker - Mobile Sky Map leans on raw UI and utility language while recurring won't open, crashes, and alignment issues make the current rank gap easier to defend.

Biggest opportunity

Star Tracker - Mobile Sky Map already includes star map in the title, so the gain for this keyword is not coverage but conversion: make the listing immediately answer the beginner question with a clearer outdoor-use promise than the current short description.

Next priority

Test a short description built around immediate star map use and reassurance, such as "Point your phone at the star map sky to identify stars fast".

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