Sidius Nova vs ClashChess
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sidius Nova
Lead your species to survival after a homeworld destruction. Collect resources, build ships, and engage in epic space battles. Choose to play as humans or an alien armada, unlocking new ships and strategies as you conquer galaxies.
- Resource collection
- Ship building
- Epic space battles
- Playable factions (humans/aliens)
- Unlockable ships
- Galactic conquest
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by Stefan Schmitt and Ben Jelter -YOUR HOMEWORLD HAS BEEN DESTROYED- Your remaining motherships are the only way to guarantee the survival of your species. Collect resources to build ships for epic space battles. "has the same 'one more turn oh god one more turn' hook that its grander siblings on the PC have" -KOTAKU Also featured on Space Sector! HOURS OF STRATEGIC DEEP SPACE GAMEPLAY Sidius Nova is a strategy game designed from the ground up to provide a deep and satisfying experience on your iOS device. PICK A SIDE Play as the last humans alive or an alien armada. UNLOCKABLE SHIPS Earn new ships as you play! Conquer entire galaxies and expand your fleet by researching new units. New units dramatically expand the gameplay by offering new defensive and offensive strategies. Follow @sidiusnova on twitter to find out more and give us feedback!
ClashChess
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This is not ordinary chess anymore. ClashChess is a real-time, fast-paced chess battle where every move counts. Face 50 difficulty levels with AI that gets progressively faster and smarter. Full chess rules including check, castling, en passant, and pawn promotion. Key Features: • Real-time chess where speed decides the winner • 50 progressive difficulty levels • Every move matters under pressure • Full standard chess rules • Share victories on social media • Track your progress with statistics From beginner to master, five difficulty categories await. As you climb higher, the AI thinks faster and deeper. Prepare to face an opponent so powerful it feels beyond human limits. How far can you go? Share your victories and join challengers worldwide! Perfect for: • Players wanting quick, meaningful practice • Thrill seekers who love tough challenges • Competitive players tracking progress • Anyone who enjoys fast, strategic battles Your privacy matters: No personal data collection. Just pure chess excitement.
Screenshots
Verdict
The clearest difference is price: Sidius Nova at Free against ClashChess's $0.49. Sidius Nova also leads on ads (none vs shown). ClashChess's advantage is in-app purchases (none vs 3) and update cadence (every 3 weeks vs every 3 months). On device support and iOS requirement 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
Sidius Nova is free to download; ClashChess costs $0.49 up front. Sidius Nova sells 3 one-off in-app purchases. ClashChess asks for nothing beyond the download.
Sidius Nova ships an update every 3 months, ClashChess every 3 weeks. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.
| Parameter | Sidius Nova | ClashChess |
|---|---|---|
| Price | Free — better | $0.49 |
| Rating | 4.4 (49 ratings) — better | — |
| Positive reviews | 84.3% of reviews | — |
| Number of ratings | 49 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 190 MB | 34 MB |
| Age rating | 9+ | 4+ |
| Developer | Stefan Schmitt | Seiya.k |
Bugs and requests
Sidius Nova
Reported bugs
5 issues- Occasional crashing
- Repeated crashing during combat
- Crashing when fighting mothership
- Game progress not syncing between devices
- App leaves residual files after uninstallation
Requested features
16 requests- Add multiplayer/hot seat/skirmish
- Add longer single player campaign
- Add more frequent dialogue
- Add meaningful player-driven plot choices
- Add 'back' button for dialogue
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- Option to skip mothership death animation
- Rework research point system
- Add bonus for multiple fleets
- Improve mothership strength/abilities
- Add iPad version/support
- Add iPhone 5 screen support
- Add Game Center support
- Add cloud saving system
- Add endless mode
- Add asynchronous multiplayer
- Add fast forward button
ClashChess
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sidius Nova
- Genius (RP earned x2)$0.99
- Laboratory (8,000 RP)$1.99
- Singularity (Unlock Everything)$3.99
ClashChess
No in-app purchases









