EMC vs oO
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
EMC
An experimental game inspired by nuclear physics where players must avoid nuclear fusion and split electrons. It offers unlimited levels with increasing difficulty and a tutorial to guide players through its addictive gameplay.
- Unlimited Levels
- Nuclear Physics Theme
- Electron Splitting Gameplay
- Tutorial Mode
- High Score Tracking
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EMC is an experimental game inspired by the wonderful world of nuclear physics. The player has to avoid nuclear fusion whilst splitting the electrons. Simple to start with, but with every level the electrons get faster and numerous. This science is addictive. *** Winner of the FWA Mobile Award *** "EMC is a successful experiment." – 148Apps EMC features: • Unlimited Levels • Tutorial • High Score
oO
A challenging, minimalist game where you guide a ball around interconnected circles. Experience addictive gameplay with mind-bending levels and atmospheric ambient music.
- Minimalist design
- Addictive gameplay
- Mind-bending levels
- Ambient music
- Ball navigation
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"oO" is a hardcore, minimal dodge-em-up game. In oO you control a ball as it moves around the circumference of interconnected circles. - Simple - Addicting - Mind-bending - With awesome ambient music Made by @targaciej Music by @WasiakWojciech
Screenshots
Verdict
The clearest difference is rating: EMC at 5.0 against oO's 3.8. EMC also leads on review sentiment (100% vs 77%). oO's advantage is ratings volume (9 vs 1) and iOS requirement (7.0 vs 13.0). On price, update cadence, ads and in-app purchases 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
EMC costs $0.99 and oO $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
EMC holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: oO has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of EMC's written reviews are positive against 77% of oO's.
EMC ships an update every 35 months, oO every 19 months. The most recent releases landed on September 27, 2026 and October 10, 2026 respectively.
| Parameter | EMC | oO |
|---|---|---|
| Price | $0.99 | $0.99 |
| Rating | 5.0 (1 ratings) — better | 3.8 (9 ratings) |
| Positive reviews | 100.0% of reviews — better | 77.4% of reviews |
| Number of ratings | 1 | 9 — better |
| Update frequency | Every 35 months | Every 19 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 7.0 — better |
| Further details — not scored | ||
| Size | 65 MB | 105 MB |
| Age rating | 4+ | 4+ |
| Developer | Etter Studio GmbH | Maciej Targoni |
Customer experience
EMC
oO
In-app purchases
EMC
No in-app purchases
oO
No in-app purchases
