Sidius Nova vs Defense Legend 5 Pro
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!
Defense Legend 5 Pro
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.
- 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
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Defense Legend 5 Pro: Tower Defense - premium is the advanced version of free one. At the same time, players will be awarded items as bellow: - Premium forever - No Ads all Unleash epic tower defense strategies in Defense Legend 5 Pro: Epic TD! Searching for the ultimate tower defense experience? Look no further. This premium version of the hit TD game throws you into a futuristic war where Earth's last defenses have crumbled against a relentless Dark force. As a brilliant commander, you'll lead the charge to protect humanity's new home on a distant planet, deploying cunning tactics against alien monsters invading from the air, jungles, deserts, and even frozen wastelands. ▶ Follow us on: Facebook: https://www.facebook.com/groups/605531618854195
Screenshots
Verdict
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.
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; 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.
| Parameter | Sidius Nova | Defense Legend 5 Pro |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.4 (49 ratings) | 4.4 (21 ratings) — better |
| Positive reviews | 84.3% of reviews — better | 50.0% of reviews |
| Number of ratings | 49 — better | 21 |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 190 MB | 383 MB |
| Age rating | 9+ | 9+ |
| Developer | Stefan Schmitt | Gcenter |
Customer experience
Sidius Nova
Defense Legend 5 Pro
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
Show 11 moreShow fewer
- 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
Defense Legend 5 Pro
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
Defense Legend 5 Pro
- Gold Pack 1$0.99
- Daily Sell 1$0.99
- Beginner Package$0.99
Show 24 moreShow fewer
- Super Powerup$0.99
- Unlock S. Rocket$1.99
- Unlock Slowly AoE$1.99
- Unlock Skin1 Viper X-1$1.99
- Unlock Skin1 Shadowhawk$1.99
- Unlock Skin1 Phoenix Fury$1.99
- Gold Pack 2$2.99
- Upgrade Max Rocket Chase$2.99
- Premium Equipments Chest$2.99
- Defeat Boss 1$2.99
- Unlock Light Bombs$2.99
- Unlock S. Light$2.99
- Unlock Skin1 Stella$2.99
- Unlock Skin1 Thunders$2.99
- Unlock Skin1 Storm MK-2$2.99
- Unlock Skin2 Phoenix Fury$2.99
- Unlock Skin2 Shadowhawk$2.99
- Unlock Skin2 Thunders$3.99
- Unlock Skin2 Storm MK-2$3.99
- Upgrade Max Slowly AoE$4.99
- Powerfull Equipments$4.99
- Upgrade Max S. Light$4.99
- Upgrade Max Light Bombs$4.99
- Legend Package$9.99
Questions
Is Sidius Nova free?
Is Defense Legend 5 Pro free?
Which has better reviews, Sidius Nova or Defense Legend 5 Pro?
Do Sidius Nova or Defense Legend 5 Pro have ads?
Which is updated more often, Sidius Nova or Defense Legend 5 Pro?
Other comparisons
