Comparison

My Sky vs UnivMap

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

Head to head
About

My Sky

Features
Read full description

My Sky is a personal astronomy star map for deep-sky observers. Photograph a nebula, galaxy, star cluster, or planet, then pin it onto a live night-sky chart where it belongs. Browse a private deep-sky album, search stars and deep-sky objects, and set your observing site so the map matches tonight’s sky. • Interactive star map with constellations and coordinate grid • Pin your own nebula, galaxy, and planet photos to the sky • Private album for deep-sky and solar-system images • Search stars, planets, Messier objects, and other DSOs • Region and language settings • Optional watermark when you save No account required. Your astronomy photos stay on your device.

About

UnivMap

Features
Read full description

UnivMap is a navigation app. Search for places, get directions, and check your estimated time of arrival. -Search Type in where you want to go. Alpha Centauri, the Orion Nebula, or that black hole at the center of the galaxy. -Directions Starting from your current location, UnivMap works out the distance and arrival time — and kindly routes you around interstellar pirates and high-radiation zones. To Voyager 1: 25.599 billion km, about 23 hr 43 min at the speed of light. It never stops moving, so we time it just right — it reaches the destination to meet you the moment you arrive. -Choose how you travel Rocket, car, bike, or on foot — take your pick. Drive to Mars and the route card will warn you it's uphill the whole way. -Save your places Set your Home and Work, and get directions home with a single tap. -Reviews Every place has ratings and reviews. The Moon currently holds 5.0 stars across three reviews — one visitor wrote: "That's one small step for a man, one giant leap for mankind." -Works offline No connection required. No data collected. -Search galaxies, get directions, check your ETA. The nearest neighbor is over four years away — pack snacks.

Screenshots

My Sky4 screens
UnivMap4 screens

Verdict

The call

The clearest difference is in-app purchases: UnivMap at none against My Sky's 1. UnivMap also leads on update cadence (every 9 days vs every 3 months) and device support (3 vs 1). On price, ads and iOS requirement 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. My Sky sells 1 one-off in-app purchase. UnivMap asks for nothing beyond the download.

UpkeepUpdate frequency

My Sky ships an update every 3 months, UnivMap every 9 days. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 3 level
My Sky versus UnivMap: the parameters behind the verdict, then further details
ParameterMy SkyUnivMap
PriceFreeFree
Update frequencyEvery 3 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size62 MB31 MB
Age rating4+4+
Developer哲 洪宇輝資訊有限公司

In-app purchases

1 purchases

My Sky

One-time1
  • Donate to the Developer$0.99
None

UnivMap

No in-app purchases

Questions

Is My Sky free?
My Sky is free to download, with in-app purchases available.
Is UnivMap free?
UnivMap is free to download, with no in-app purchases.
Do My Sky or UnivMap have ads?
Neither My Sky nor UnivMap shows ads.
Which is updated more often, My Sky or UnivMap?
My Sky ships an update every 3 months, and UnivMap every 9 days. Most recently, My Sky was updated on October 25, 2026 and UnivMap on October 8, 2026.

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