# BattleBrain vs Sidius Nova

The clearest difference is rating: BattleBrain at 5.0 against Sidius Nova's 4.4. BattleBrain also leads on in-app purchases (none vs 3) and iOS requirement (9.0 vs 14.0). Sidius Nova's advantage is update cadence (every 3 months vs every 28 months) and ratings volume (49 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. Sidius Nova sells 3 one-off in-app purchases. BattleBrain asks for nothing beyond the download.

BattleBrain holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Sidius Nova has 49 ratings behind it against 2, so its average is the more settled of the two.

BattleBrain ships an update every 28 months, Sidius Nova every 3 months. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | BattleBrain | Sidius Nova |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/battlebrain/id293154336/reviews)** | [4.4 (49 ratings)](https://appshunter.io/ios/app/sidius-nova/id585665931/reviews) |
| Number of ratings | 2 | **49** |
| Positive reviews | — | 84.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 20 MB | 190 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [DVide Arts Inc.](https://appshunter.io/developer/292078403) | [Stefan Schmitt](https://appshunter.io/developer/585665935) |

## What reviewers say

### BattleBrain

[App page](https://appshunter.io/ios/app/battlebrain/id293154336)

Enhance memory and concentration with this addictive card matching game. Enjoy multiple game modes, including single player, two-player versus, and a computer battle mode. Unlock new environments and card decks for endless fun.

**Highlights:** Memory and concentration improvement, Single player mode with high scores, 2-player versus mode, Computer battle mode, Unlockable bonus content, Customizable game options

**Features:** macOS Compatibility

**In-app purchases:** none


### Sidius Nova

[App page](https://appshunter.io/ios/app/sidius-nova/id585665931)

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.

**Highlights:** Resource collection, Ship building, Epic space battles, Playable factions (humans/aliens), Unlockable ships, Galactic conquest

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Genius (RP earned x2) | $0.99 | one-time |
| Laboratory (8,000 RP) | $1.99 | one-time |
| Singularity (Unlock Everything) | $3.99 | one-time |

**What reviewers like**

- ✨ Amazing soundtrack/music
- 🎨 Beautiful/great graphics/art
- 🎮 Addictive/fun gameplay
- 🧠 Deep strategy/gameplay
- 👍 Polished/well-designed

**What reviewers complain about**

- 🔄 Repetitive gameplay loop
- 🐌 Slow gameplay/pace
- 📉 Lacks strategic depth
- 🤖 AI can be unfair/cheats
- 🤷‍♂️ Bland gameplay

**Reported bugs**

- Occasional crashing
- Repeated crashing during combat
- Crashing when fighting mothership
- Game progress not syncing between devices
- App leaves residual files after uninstallation

**Requested features**

- 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


## Frequently asked questions

### Is BattleBrain free?

BattleBrain is free to download, with no in-app purchases.

### Is Sidius Nova free?

Sidius Nova is free to download, with in-app purchases available.

### Which has better reviews, BattleBrain or Sidius Nova?

BattleBrain is rated higher. BattleBrain averages 5.0 out of 5 from 2 ratings, while Sidius Nova averages 4.4 from 49 ratings.

### Do BattleBrain or Sidius Nova have ads?

Neither BattleBrain nor Sidius Nova shows ads.

### Which is updated more often, BattleBrain or Sidius Nova?

BattleBrain ships an update every 28 months, and Sidius Nova every 3 months. Most recently, BattleBrain was updated on October 1, 2026 and Sidius Nova on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*