# Defense Battle vs Impulse One

The clearest difference is rating: Impulse One at 5.0 against Defense Battle's 3.1. Impulse One also leads on in-app purchases (none vs 5) and ads (none vs shown). Defense Battle's advantage is update cadence (monthly vs every 11 months) and ratings volume (8 vs 2). On price and device support there is nothing between them.

Both are free to download. Defense Battle sells 5 one-off in-app purchases. Impulse One asks for nothing beyond the download.

Impulse One holds the better App Store score, 5.0 against 3.1. Both are backed by a comparable volume of ratings — 8 and 2 respectively. Written reviews point the same way: 67% of Defense Battle's written reviews are positive against 100% of Impulse One's.

Defense Battle ships an update monthly, Impulse One every 11 months. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Defense Battle | Impulse One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (8 ratings)](https://appshunter.io/ios/app/defense-battle/id591586499/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/impulse-one/id1001814482/reviews)** |
| Number of ratings | **8** | 2 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 11 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 127 MB | 301 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [John Smith](https://appshunter.io/developer/483881207) | [Kurt Dekker](https://appshunter.io/developer/680019078) |

## What reviewers say

### Defense Battle

[App page](https://appshunter.io/ios/app/defense-battle/id591586499)

Defend your base from waves of attacking tanks and jeeps in this tower defense arcade game with RPG elements. Upgrade your turret, use special weapons like strikes and shields, and protect the base wall to become the best defender.

**Highlights:** Tower defense gameplay, RPG elements, Special weapon abilities (Strike, Stop, Shield), Tower and weapon upgrades, Base defense, Daily play rewards

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| 10000 Coins | $1.99 | one-time |
| 35000 Coins | $4.99 | one-time |
| 160000 Coins | $19.99 | one-time |
| 320000 Coins | $29.99 | one-time |


### Impulse One

[App page](https://appshunter.io/ios/app/impulse-one/id1001814482)

Pilot a spaceship to rescue stranded employees from a chaotic company. Navigate challenging environments with high gravity, timed conditions, and combat.

**Highlights:** Rescue stranded employees, Impulse-driven spaceship piloting, High gravity challenges, Timed conditions, Combat with incoming fire

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

**In-app purchases:** none


## Frequently asked questions

### Is Defense Battle free?

Defense Battle is free to download, with in-app purchases available.

### Is Impulse One free?

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

### Which has better reviews, Defense Battle or Impulse One?

Impulse One is rated higher. Defense Battle averages 3.1 out of 5 from 8 ratings, while Impulse One averages 5.0 from 2 ratings.

### Do Defense Battle or Impulse One have ads?

Defense Battle shows ads; Impulse One does not.

### Which is updated more often, Defense Battle or Impulse One?

Defense Battle ships an update monthly, and Impulse One every 11 months. Most recently, Defense Battle was updated on October 23, 2026 and Impulse One on October 7, 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.*