# Sidius Nova vs Attack Of The Circle

The clearest difference is rating: Attack Of The Circle at 5.0 against Sidius Nova's 4.4. Attack Of The Circle also leads on review sentiment (100% vs 84%). Sidius Nova's advantage is ads (none vs shown) and ratings volume (49 vs 2). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Sidius Nova sells 3 one-off in-app purchases and Attack Of The Circle sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Attack Of The Circle 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. Written reviews point the same way: 84% of Sidius Nova's written reviews are positive against 100% of Attack Of The Circle's.

Sidius Nova ships an update every 3 months, Attack Of The Circle every 2 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Sidius Nova | Attack Of The Circle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (49 ratings)](https://appshunter.io/ios/app/sidius-nova/id585665931/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/attack-of-the-circle/id1025097056/reviews)** |
| Number of ratings | **49** | 2 |
| Positive reviews | 84.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 190 MB | 6 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Stefan Schmitt](https://appshunter.io/developer/585665935) | [THE RISE COLLECTION](https://appshunter.io/developer/1000072797) |

## What reviewers say

### 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


### Attack Of The Circle

[App page](https://appshunter.io/ios/app/attack-of-the-circle/id1025097056)

Guide Mr. Bird through a constantly changing, shape-shifting circle. Tap the screen to make him fly and avoid deadly walls. See how long you can survive in this endless runner.

**Highlights:** Endless gameplay, Shape-shifting circle, Tap-to-fly controls, Avoid deadly walls, High score challenge

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support A.O.T.C | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Sidius Nova free?

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

### Is Attack Of The Circle free?

Attack Of The Circle is free to download, with in-app purchases available.

### Which has better reviews, Sidius Nova or Attack Of The Circle?

Attack Of The Circle is rated higher. Sidius Nova averages 4.4 out of 5 from 49 ratings, while Attack Of The Circle averages 5.0 from 2 ratings.

### Do Sidius Nova or Attack Of The Circle have ads?

Attack Of The Circle shows ads; Sidius Nova does not.

### Which is updated more often, Sidius Nova or Attack Of The Circle?

Sidius Nova ships an update every 3 months, and Attack Of The Circle every 2 months. Most recently, Sidius Nova was updated on November 1, 2026 and Attack Of The Circle on November 4, 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.*