# Will It Fly? vs Gravity OB1

The clearest difference is in-app purchases: Will It Fly? at none against Gravity OB1's 1. Gravity OB1's advantage is ads (none vs shown) and update cadence (every 5 days vs every 20 months). On price and device support there is nothing between them.

Both are free to download. Gravity OB1 sells 1 one-off in-app purchase. Will It Fly? asks for nothing beyond the download.

Will It Fly? ships an update every 20 months, Gravity OB1 every 5 days. The most recent releases landed on October 9, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Will It Fly? | Gravity OB1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (320 ratings)](https://appshunter.io/ios/app/will-it-fly/id390667943/reviews)** | — |
| Number of ratings | **320** | — |
| Positive reviews | 17.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 20 months | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 165 MB | 25 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Fluik](https://appshunter.io/developer/341885018) | [Q8blog](https://appshunter.io/developer/380669318) |

## What reviewers say

### Will It Fly?

[App page](https://appshunter.io/ios/app/will-it-fly/id390667943)

Pilot a small aircraft, balancing cargo and passengers with safety. Navigate terrain and obstacles, pushing your plane's limits to earn points. Experience realistic aviation physics, including the impact of wind, altitude, and weight on performance.

**Highlights:** Realistic aviation physics, Cargo and passenger management, Terrain and obstacle avoidance, Aircraft performance simulation, Headwind mechanics, Upgradeable aircraft, Unlockable maps

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

**In-app purchases:** none

**What reviewers like**

- 🎮 Fun and addictive gameplay mechanics
- 🎨 Nice graphics and visuals
- 🎵 Catchy music
- 💰 Free to play with affordable paid version
- 🧠 Educational value for learning weight/physics concepts

**What reviewers complain about**

- 😴 Repetitive and boring gameplay loop
- ⚠️ Unclear obstacle/background distinction
- 🎮 Too simplistic and easy
- ❌ Lacks meaningful player agency or skill
- 📊 Limited level variety and progression

**Reported bugs**

- App crashes frequently
- App fails to open/launch
- Game freezes during gameplay
- Crashes after 1-2 levels
- UI elements blocked by ads preventing interaction

**Requested features**

- More levels and content
- Actual flight controls (velocity, flaps, etc.)
- Tilt/motion control implementation
- Metric measurement option
- Better level progression system


### Gravity OB1

[App page](https://appshunter.io/ios/app/gravity-ob1/id6788852525)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Game | $3.99 | one-time |


## Frequently asked questions

### Is Will It Fly? free?

Will It Fly? is free to download, with no in-app purchases.

### Is Gravity OB1 free?

Gravity OB1 is free to download, with in-app purchases available.

### Do Will It Fly? or Gravity OB1 have ads?

Will It Fly? shows ads; Gravity OB1 does not.

### Which is updated more often, Will It Fly? or Gravity OB1?

Will It Fly? ships an update every 20 months, and Gravity OB1 every 5 days. Most recently, Will It Fly? was updated on October 9, 2026 and Gravity OB1 on September 28, 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.*