# Sidius Nova vs Defense Legend 5 Pro

The clearest difference is price: Sidius Nova at Free against Defense Legend 5 Pro's $1.99. Sidius Nova also leads on review sentiment (84% vs 50%). On rating, ratings volume, update cadence and ads there is nothing between them.

Sidius Nova is free to download; Defense Legend 5 Pro costs $1.99 up front. Sidius Nova sells 3 one-off in-app purchases and Defense Legend 5 Pro sells 27 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.4 for Sidius Nova against 4.4 for Defense Legend 5 Pro. Both are backed by a comparable volume of ratings — 49 and 21 respectively. Written reviews are what separate them: 84% of Sidius Nova's written reviews are positive against 50% of Defense Legend 5 Pro's.

Sidius Nova ships an update every 3 months, Defense Legend 5 Pro every 4 months. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Sidius Nova | Defense Legend 5 Pro |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.4 (49 ratings)](https://appshunter.io/ios/app/sidius-nova/id585665931/reviews) | **[4.4 (21 ratings)](https://appshunter.io/ios/app/defense-legend-5-pro/id6744385350/reviews)** |
| Number of ratings | **49** | 21 |
| Positive reviews | **84.3% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 190 MB | 383 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 9+ |
| Developer | [Stefan Schmitt](https://appshunter.io/developer/585665935) | [Gcenter](https://appshunter.io/developer/1473786034) |

## 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


### Defense Legend 5 Pro

[App page](https://appshunter.io/ios/app/defense-legend-5-pro/id6744385350)

Engage in an epic sci-fi tower defense battle to protect humanity's new home from alien invaders. This premium version offers an advanced strategic experience with no ads and permanent premium features.

**Highlights:** Epic tower defense strategy, Futuristic sci-fi war setting, Protect humanity's new home, Deploy tactics against alien monsters, Multiple invasion environments, Premium version with no ads

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

**In-app purchases (27)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold Pack 1 | $0.99 | one-time |
| Daily Sell 1 | $0.99 | one-time |
| Beginner Package | $0.99 | one-time |
| Super Powerup | $0.99 | one-time |
| Unlock S. Rocket | $1.99 | one-time |
| Unlock Slowly AoE | $1.99 | one-time |
| Unlock Skin1 Viper X-1 | $1.99 | one-time |
| Unlock Skin1 Shadowhawk | $1.99 | one-time |
| Unlock Skin1 Phoenix Fury | $1.99 | one-time |
| Gold Pack 2 | $2.99 | one-time |
| Upgrade Max Rocket Chase | $2.99 | one-time |
| Premium Equipments Chest | $2.99 | one-time |
| Defeat Boss 1 | $2.99 | one-time |
| Unlock Light Bombs | $2.99 | one-time |
| Unlock S. Light | $2.99 | one-time |
| Unlock Skin1 Stella | $2.99 | one-time |
| Unlock Skin1 Thunders | $2.99 | one-time |
| Unlock Skin1 Storm MK-2 | $2.99 | one-time |
| Unlock Skin2 Phoenix Fury | $2.99 | one-time |
| Unlock Skin2 Shadowhawk | $2.99 | one-time |
| Unlock Skin2 Thunders | $3.99 | one-time |
| Unlock Skin2 Storm MK-2 | $3.99 | one-time |
| Upgrade Max Slowly AoE | $4.99 | one-time |
| Powerfull Equipments | $4.99 | one-time |
| Upgrade Max S. Light | $4.99 | one-time |
| Upgrade Max Light Bombs | $4.99 | one-time |
| Legend Package | $9.99 | one-time |


## Frequently asked questions

### Is Sidius Nova free?

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

### Is Defense Legend 5 Pro free?

Defense Legend 5 Pro costs $1.99, and also offers in-app purchases.

### Which has better reviews, Sidius Nova or Defense Legend 5 Pro?

Defense Legend 5 Pro is rated higher. Sidius Nova averages 4.4 out of 5 from 49 ratings, while Defense Legend 5 Pro averages 4.4 from 21 ratings.

### Do Sidius Nova or Defense Legend 5 Pro have ads?

Neither Sidius Nova nor Defense Legend 5 Pro shows ads.

### Which is updated more often, Sidius Nova or Defense Legend 5 Pro?

Sidius Nova ships an update every 3 months, and Defense Legend 5 Pro every 4 months. Most recently, Sidius Nova was updated on October 23, 2026 and Defense Legend 5 Pro on October 20, 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.*