Comparison

Cosmic Deepsky vs Mandel

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

Head to head
About

Cosmic Deepsky

Explore the universe with a virtual telescope. Discover galaxies, star clusters, and nebulae with stunning real images and detailed information. A pocket guide to the cosmos.

Highlights
  • Virtual telescope functionality
  • Detailed information on 4000+ galaxies
  • Real astro-photographs of celestial objects
  • Hand-measured and oriented images
  • Exploration of deep sky objects
  • Information on star clusters and nebulae
Features
Currently charting
Read full description

Welcome to Cosmic Deepsky, where the marvels of the universe come alive through the lens of your device – your very own magic telescope. We live on a planet cruising through space, surrounded by the vast expanse of the cosmos. The canvas of our existence extends far beyond the confines of our planet, stretching into the depths of the celestial sphere above and below. By day, our atmosphere dances with the brilliance of sunlight, casting a cerulean glow upon the world. Yet, as night descends, a grand spectacle unfolds. Against the backdrop of darkness, myriad suns dot the heavens, weaving intricate constellations that have captivated humanity for millennia. Here, amidst the twinkling stars, lies the gateway to the deep sky – a realm where gas clouds and cosmic debris coalesce, painting celestial masterpieces with the strokes of light and gravity. Among these wonders, stars congregate in clusters, while others journey across the galactic plane in majestic arcs. Supernovae remnants and planetary systems adorn the spiral arms of our Milky Way galaxy, a cosmic tapestry of stellar life. Yet, the deep sky knows no bounds, extending far beyond our galactic borders to distant neighbors like the Magellanic Clouds and the majestic Andromeda galaxy. With Cosmic Deepsky, we invite you to peer into the depths of the universe like never before. Featuring the positions of the 4000 brightest and closest galaxies, alongside stunning real images of hundreds of them meticulously measured and oriented by hand, our app offers a unique window into the cosmic expanse. Delve into the depths of intergalactic space, where millions of galaxies beckon with their luminous allure, their distant light captured in mesmerizing astro-photographs. Embark on a journey of discovery and wonder as we unveil the mysteries of the cosmos. Through Cosmic Deepsky, may you find inspiration and awe in the boundless beauty that surrounds us, igniting a newfound appreciation for the magical universe we call home.

About

Mandel

Features
Read full description

Experience the breathtaking world of fractals like never before. MandelZoom brings the legendary Mandelbrot set to your fingertips with unprecedented clarity and infinite exploration possibilities. Zoom into the infinitely complex patterns of the Mandelbrot set and discover new worlds within worlds. Each level of magnification reveals stunning new details, spirals, and self-similar structures that have captivated mathematicians and artists for decades. Whether you're a mathematics enthusiast, digital artist, or simply curious about the hidden beauty in numbers, MandelZoom offers an intuitive and powerful way to explore one of the most famous fractals in existence. Features: - Unlimited zoom capability - explore as deep as you want - Smooth, responsive touch controls for effortless navigation - High-resolution export up to 8K for professional-quality prints - Save and share your favorite discoveries - Multiple color palettes to visualize the set in different ways - Bookmark interesting locations for quick revisiting - Perfect for education, art, and meditation The Mandelbrot set is an infinite mathematical landscape where simple rules create boundless complexity. With MandelZoom, this mathematical masterpiece is yours to explore, capture, and share.

Screenshots

Cosmic Deepsky4 screens
Mandel4 screens

Verdict

The call

The clearest difference is update cadence: Mandel at every 5 days against Cosmic Deepsky's every 23 months. Mandel also leads on price ($0.99 vs $2.99). Cosmic Deepsky's advantage is chart position (#189 vs unranked) and iOS requirement (15.0 vs 26.1). On 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

Cosmic Deepsky costs $2.99 and Mandel $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Cosmic Deepsky ships an update every 23 months, Mandel every 5 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 7 level
Cosmic Deepsky versus Mandel: the parameters behind the verdict, then further details
ParameterCosmic DeepskyMandel
Price$2.99$0.99 — better
Rating5.0 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 23 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#189 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.1
Further details — not scored
Size114 MB14 MB
Age rating4+4+
DeveloperCelestial Dynamics AGTino Bahr

In-app purchases

None

Cosmic Deepsky

No in-app purchases

None

Mandel

No in-app purchases

Questions

Is Cosmic Deepsky free?
Cosmic Deepsky costs $2.99, with no in-app purchases.
Is Mandel free?
Mandel costs $0.99, with no in-app purchases.
Do Cosmic Deepsky or Mandel have ads?
Neither Cosmic Deepsky nor Mandel shows ads.
Which is updated more often, Cosmic Deepsky or Mandel?
Cosmic Deepsky ships an update every 23 months, and Mandel every 5 days. Most recently, Cosmic Deepsky was updated on November 3, 2026 and Mandel on October 30, 2026.