# Gravity Captain vs Pill Fortress

The clearest difference is review sentiment: Gravity Captain at 100% against Pill Fortress's 33%. Gravity Captain also leads on rating (5.0 vs 4.6) and iOS requirement (8.0 vs 14.0). Pill Fortress's advantage is update cadence (every 2 weeks vs every 63 months) and ratings volume (3.3K vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Gravity Captain sells 1 one-off in-app purchase and Pill Fortress sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Gravity Captain holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Pill Fortress has 3.3K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of Gravity Captain's written reviews are positive against 33% of Pill Fortress's.

Gravity Captain ships an update every 63 months, Pill Fortress every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Gravity Captain | Pill Fortress |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gravity-captain/id1293840368/reviews)** | [4.6 (3.3K ratings)](https://appshunter.io/ios/app/pill-fortress/id6477394168/reviews) |
| Number of ratings | 3 | **3.3K** |
| Positive reviews | **100.0% of reviews** | 33.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 63 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 323 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Mike Hempfling](https://appshunter.io/developer/422781074) | [Voodoo](https://appshunter.io/developer/714804730) |

## What reviewers say

### Gravity Captain

[App page](https://appshunter.io/ios/app/gravity-captain/id1293840368)

Navigate a spacecraft by utilizing thrusters and planetary gravity for slingshot maneuvers. Collect fuel while avoiding collisions with celestial bodies in an endless, replayable challenge.

**Highlights:** Gravity slingshot mechanics, Spacecraft thruster control, Fuel collection, Planet collision avoidance, Randomized replayability, Endless gameplay, Simple controls

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Pill Fortress

[App page](https://appshunter.io/ios/app/pill-fortress/id6477394168)

Defend your fortress against waves of viruses in this immune-themed base defense game. Strategically place and upgrade unique pill defenders to overcome evolving viral threats. Enjoy kid-friendly gameplay with vibrant 2D graphics.

**Highlights:** Dynamic pill placement, Evolving viral threats, Unlock new pill characters, Vibrant 2D graphics, Strategic upgrades

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Very Small Nucleus Pack | $0.99 | one-time |
| Small Nucleus Pack | $2.99 | one-time |
| Starter Pack | $4.99 | one-time |
| Perma Speed Up | $4.99 | one-time |
| No Ads | $4.99 | one-time |
| Medium Nucleus Pack | $5.99 | one-time |
| Perma Boosts | $7.99 | one-time |
| Plasma Waves Pill | $8.99 | one-time |
| Skills Pack | $9.99 | one-time |
| Instant Video Rewards | $29.99 | one-time |

**What reviewers like**

- 🚀 Fun gameplay
- 👍 Decent progression system
- 💡 Unique pill mechanics

**What reviewers complain about**

- 🔍 Excessive ads
- 🔒 Forced online requirement
- 🐛 Bugs and crashes
- 💰 Monetization issues

**Reported bugs**

- Freezing during battles
- Progression loss on crashes
- Targeting/tracking issues
- Unresponsive ad screens

**Requested features**

- Offline mode
- More pill variety
- Improved boss difficulty
- Customizable controls
- Endless/challenge modes


## Frequently asked questions

### Is Gravity Captain free?

Gravity Captain is free to download, with in-app purchases available.

### Is Pill Fortress free?

Pill Fortress is free to download, with in-app purchases available.

### Which has better reviews, Gravity Captain or Pill Fortress?

Gravity Captain is rated higher. Gravity Captain averages 5.0 out of 5 from 3 ratings, while Pill Fortress averages 4.6 from 3.3K ratings.

### Do Gravity Captain or Pill Fortress have ads?

Both Gravity Captain and Pill Fortress show ads.

### Which is updated more often, Gravity Captain or Pill Fortress?

Gravity Captain ships an update every 63 months, and Pill Fortress every 2 weeks. Most recently, Gravity Captain was updated on November 3, 2026 and Pill Fortress 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.*