Comparison

3DPhyS vs 宇宙の英単語

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

Head to head
About

3DPhyS

Explore fundamental physics concepts through interactive simulations. Adjust parameters like initial velocity and bounce coefficient to understand phenomena like free fall, projectile motion, and circular motion. This app supports learning in multiple languages.

Highlights
  • Interactive physics simulations
  • Adjustable experiment parameters
  • Multiple physics experiment modules
  • Multilingual interface
  • Free to download and use
Features
Read full description

3DPhyS offers a fun way to learn physics using Physics Simulator! Localized the home scene into Japanese, English, Chinese, Spanish, German, French, Portuguese, Russian, Indonesian, Arabic, and Korean! Some parts are still in Japanese, but you can still simulate the game even if you do not understand Japanese! The following courses of experiments are available Free Fall Vertical projection Horizontal projection Oblique projection Monkey Hunting Bounce coefficient Object sliding on a slope Buoyancy force Frictional force Momentum conservation law for two-object collision (bounce coefficient) Momentum conservation law for splitting Circular motion Circular motion under gravity Single swing of pendulum Universal gravitation In each experiment, you can freely change parameters such as initial velocity and bounce coefficient! Please use this app to improve your performance! If you have any comments or typos, please feel free to contact us.

About

宇宙の英単語

Features
Read full description

宇宙物理学や宇宙生命科学や天文学などの宇宙関連の英単語を学習できます。 制限時間は1分間。3問間違えるとゲームオーバー。10問正解するとゲームクリア。 かるたやクイズのようにゲーム感覚で楽しく英単語学習を継続できます。

Screenshots

3DPhyS3 screens
宇宙の英単語3 screens

Verdict

The call

The clearest difference is ads: 宇宙の英単語 at none against 3DPhyS's shown. 3DPhyS's advantage is iOS requirement (12.0 vs 26.0). On price, update cadence, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on August 6, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 6 level
3DPhyS versus 宇宙の英単語: the parameters behind the verdict, then further details
Parameter3DPhyS宇宙の英単語
PriceFreeFree
Positive reviews80.0% of reviews—
Update frequencyFortnightlyFortnightly
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better26.0
Further details — not scored
Size176 MB21 MB
Age rating4+17+
DeveloperSota TakasugiHiroaki Toya

In-app purchases

None

3DPhyS

No in-app purchases

None

宇宙の英単語

No in-app purchases

Questions

Is 3DPhyS free?
3DPhyS is free to download, with no in-app purchases.
Is 宇宙の英単語 free?
宇宙の英単語 is free to download, with no in-app purchases.
Do 3DPhyS or 宇宙の英単語 have ads?
3DPhyS shows ads; 宇宙の英単語 does not.
Which is updated more often, 3DPhyS or 宇宙の英単語?
3DPhyS ships an update fortnightly, and 宇宙の英単語 fortnightly. Most recently, 3DPhyS was updated on August 6, 2026 and 宇宙の英単語 on September 10, 2026.

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