Comparison

RealTime Space vs ASTRA

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

Head to head
About

RealTime Space

Features
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Strap in. RealTime Space puts you at the helm of your own starship in a photoreal, full-scale universe โ€” every planet, every major moon, and 8,920 real stars, all in the palm of your hand. FLY ANYWHERE Real navigation physics with thrust, drift and 100x warp. Skim Jupiter's storms, cruise through Saturn's sunlit rings, chase comets across the system, or point the nose at a star and just go. A REAL SKY Every star you see is real โ€” 8,920 naked-eye stars with their true names, brightness and 3D positions, plus the Milky Way band exactly where it belongs. Fly to Sirius, Betelgeuse or Vega and watch a point of light resolve into a blazing sun. THE WHOLE SOLAR SYSTEM All eight planets in photoreal detail, the Moon, volcanic Io, icy Europa, hazy Titan, Enceladus and its geysers, the asteroid belt, famous comets, deep-space nebulae โ€” and Sagittarius A*, the black hole at the center of the galaxy. THREE WAYS TO FLY VISOR โ€” a clean, unobstructed view of space. HELM โ€” a full cockpit around you. CHASE โ€” follow your own ship from behind. SCAN AND DISCOVER Scan planets, moons and stars to fill your Field Guide, track your journey on the Space Map, and complete missions as you explore. MADE TO FEEL REAL Analytic eclipse and ring shadows, real star colors, a procedural engine soundscape, and a sky accurate enough to learn constellations from. FREE FOR 60 DAYS Everything is free for your first 60 days. Keep the whole universe forever with a single $1.99 unlock โ€” no subscription, no ads, no account, no data collection. WORKS WITH VOICEOVER Every control is labeled โ€” thrust, warp, the joystick, the camera views and the fly-to list โ€” so the ship can be flown with a screen reader turned on.

About

ASTRA

Features
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Look up. Right now, above your ceiling, the International Space Station is racing across the sky at 27,000 km/h. Jupiter is glowing in a constellation you can't name yet. A star whose light left before you were born is arriving at your eyes tonight. ASTRA helps you see all of it. Lift your phone to the sky and the universe unfolds in augmented reality โ€” every star named, every planet placed, every constellation drawn in light. Catch the ISS the moment it passes overhead. Rewind the sky to the night you were born, or fast-forward to the next eclipse. And whenever you wonder "what is that?", just ask โ€” ASTRA's AI astronomer is always listening. No telescope. No expertise. No light-polluted excuses. Just you, your phone, and a universe that's been waiting for you to notice it. Your personal universe starts here. โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€” - AR SKY VIEW โ€” Point your phone up and watch the night sky come alive with names, myths, and motion. - LIVE ISS & SATELLITE TRACKING โ€” Follow the space station and 50+ satellites in real time. Never miss a flyover again. - TIME TRAVEL โ€” Wind the sky to any date. Revisit a meteor shower, preview an eclipse, or find the stars from a moment that mattered. - PLANETS & NAKSHATRAS โ€” Real astronomical positions of the planets and all 27 Nakshatras, precise to the moment. - ASK ASTRA โ€” Your own AI astronomer for black holes, exoplanets, and every "why is the sky like that?" question. - EXPLORE THE COSMOS โ€” Fall into black holes, hunt for exoplanets, and drift through a gallery of breathtaking NASA imagery. โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€” The sky is the oldest thing humans have ever looked at. ASTRA makes it feel new. Download ASTRA and look up tonight.

Screenshots

RealTime Space4 screens
ASTRA4 screens

Verdict

The call

The clearest difference is in-app purchases: ASTRA at none against RealTime Space's 1. ASTRA also leads on iOS requirement (15.1 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. RealTime Space sells 1 one-off in-app purchase. ASTRA asks for nothing beyond the download.

UpkeepUpdate frequency

RealTime Space ships an update every 2 weeks, ASTRA every 3 weeks. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

Scorecard2 real differences ยท 4 level
RealTime Space versus ASTRA: the parameters behind the verdict, then further details
ParameterRealTime SpaceASTRA
PriceFreeFree
Update frequencyEvery 2 weeks โ€” betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPadiPhone, iPod
Requires iOS26.015.1 โ€” better
Further details โ€” not scored
Size65 MB43 MB
Age rating4+4+
DeveloperNice Dreamz llcAkarshit Sharma

In-app purchases

1 purchases

RealTime Space

One-time1
  • Unlock Forever$0.99
None

ASTRA

No in-app purchases

Questions

Is RealTime Space free?
RealTime Space is free to download, with in-app purchases available.
Is ASTRA free?
ASTRA is free to download, with no in-app purchases.
Do RealTime Space or ASTRA have ads?
Neither RealTime Space nor ASTRA shows ads.
Which is updated more often, RealTime Space or ASTRA?
RealTime Space ships an update every 2 weeks, and ASTRA every 3 weeks. Most recently, RealTime Space was updated on October 31, 2026 and ASTRA on October 25, 2026.

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