Comparison

ER Doctor vs Orbit Gravity

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

Head to head
About

ER Doctor

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Put on your white coat, doctor โ€” the ER is waiting for you! Emergency Doctor is a fast-paced medical simulation game set in a modern hospital's emergency room. Every patient who walks through the door is in your hands. Will you make the right diagnosis and save a life, or will you make a critical mistake? REALISTIC EXAMINATIONS Listen to heart sounds with a stethoscope, check vital signs, and carefully analyze your patient's symptoms. MODERN DIAGNOSTICS Interpret blood tests, X-rays, and ECG results to reach the correct diagnosis. CRITICAL DECISIONS Discharge the patient, perform emergency intervention, or refer to a specialist. Every decision is a life on the line. INTERACTIVE PROCEDURES Perform critical procedures like suturing, CPR, and IV insertion with your own hands. CHALLENGING CAREER MODE Experience real emergency medicine with increasing difficulty and unique medical cases every day. Step into the world of medicine and prove you're the hospital's best emergency doctor!

About

Orbit Gravity

Features
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Welcome to Orbit Gravity! Are you ready to test your reflexes in deep space and command the cosmos? Master the true power of gravity in this fast-paced hypercasual zero-g arcade game! In Orbit Gravity, you pilot a highly advanced spacecraft orbiting dangerous planets. Tap and hold the screen to dive into the inner orbit and accelerate, then release to fling your ship into the outer orbit! Use flawless timing and orbital mechanics to dodge deadly space mines, collect precious energy crystals, and climb the global leaderboards. TWO THRILLING GAME MODES: โ€ข Campaign Mode (100 Levels): Embark on an epic journey across 10 unique regions and 6 distinct planets (Gaia, Frost, Black Hole, Crimson, Abyssal, Neutron), each with its own special physics and hazards! Do you have the skills to defeat the challenging Bosses waiting for you at the end of every 10 levels? โ€ข Endless Mode: Push your ultimate limits! Survive as long as possible in an infinite galaxy. Farm crystals, beat your high score, and become #1 on the Global Leaderboard! UPGRADES & CUSTOMIZATION: Use the crystals you collect to buy temporary power-ups that will help you survive longer: Shields to protect your ship from fatal impacts. Magnets to pull in distant crystals automatically. Bombs to clear the screen of deadly asteroids. Time Slow to execute precision maneuvers! Unlock spectacular new ship skins and stunning deep space backgrounds with your hard-earned gems. Complete daily quests for massive rewards. Do you have what it takes to be the greatest pilot in the universe? Download Orbit Gravity now and let the stellar adventure begin!

Screenshots

ER Doctor4 screens
Orbit Gravity4 screens

Verdict

The call

The clearest difference is price: Orbit Gravity at Free against ER Doctor's $0.99. ER Doctor's advantage is ads (none vs shown) and chart position (#138 vs unranked). On update cadence, in-app purchases, device support and iOS requirement 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

Orbit Gravity is free to download; ER Doctor costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

Scorecard3 real differences ยท 4 level
ER Doctor versus Orbit Gravity: the parameters behind the verdict, then further details
ParameterER DoctorOrbit Gravity
Price$0.99Free โ€” better
Update frequencyEvery 9 daysEvery 9 days
AdsNo โ€” betterYes
In-app purchasesNoNo
Best chart rank#138 โ€” betterโ€”
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS15.115.0 โ€” better
Further details โ€” not scored
Size77 MB37 MB
Age rating4+4+
DeveloperBUGRA TUNCERBENGISU UNGAN EKER

In-app purchases

None

ER Doctor

No in-app purchases

None

Orbit Gravity

No in-app purchases

Questions

Is ER Doctor free?
ER Doctor costs $0.99, with no in-app purchases.
Is Orbit Gravity free?
Orbit Gravity is free to download, with no in-app purchases.
Do ER Doctor or Orbit Gravity have ads?
Orbit Gravity shows ads; ER Doctor does not.
Which is updated more often, ER Doctor or Orbit Gravity?
ER Doctor ships an update every 9 days, and Orbit Gravity every 9 days. Most recently, ER Doctor was updated on October 28, 2026 and Orbit Gravity on October 24, 2026.

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