# I9 Challenge 2.0 vs Neon Wings

The clearest difference is in-app purchases: I9 Challenge 2.0 at none against Neon Wings's 10. I9 Challenge 2.0 also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Neon Wings's advantage is update cadence (every 6 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Neon Wings sells 10 one-off in-app purchases. I9 Challenge 2.0 asks for nothing beyond the download.

I9 Challenge 2.0 ships an update every 2 months, Neon Wings every 6 days. The most recent releases landed on November 7, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | I9 Challenge 2.0 | Neon Wings |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (6.6K ratings)](https://appshunter.io/ios/app/neon-wings/id6741190842/reviews)** |
| Number of ratings | — | **6.6K** |
| Positive reviews | — | 15.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 66 MB | 554 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [I9ação](https://appshunter.io/developer/1139989197) | [Voodoo](https://appshunter.io/developer/714804730) |

## What reviewers say

### I9 Challenge 2.0

[App page](https://appshunter.io/ios/app/i9-challenge-20/id1628884543)

**In-app purchases:** none


### Neon Wings

[App page](https://appshunter.io/ios/app/neon-wings/id6741190842)

Pilot a customizable aircraft, strategically choosing skills to enhance its capabilities. Engage in challenging battles against formidable bosses, aiming to build the ultimate flying machine.

**Highlights:** Skill selection, Aircraft customization, Boss battles, Strategic gameplay, Plane building

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gem Pack 1 | $0.99 | one-time |
| Super Revive | $1.99 | one-time |
| Starter Pack | $1.99 | one-time |
| No Forced Ads | $2.99 | one-time |
| Curve Laser Pack | $3.99 | one-time |
| Gem Pack 2 | $4.99 | one-time |
| Drone Bundle #2 | $9.99 | one-time |
| Premium Pack | $14.99 | one-time |
| Gem Pack 3 | $14.99 | one-time |
| NO RV | $24.99 | one-time |

**What reviewers like**

- 🚀 Fun game
- 👍 Challenging but not too difficult
- 🚀 Brings back good memories of 80's arcades

**What reviewers complain about**

- 🔒 Locked from progressing after update
- 🐛 Ship nerfed after update
- 🐛 Can't upgrade ship past certain level
- 🐛 Occasional freezes and lags
- 🐛 Enemy scaling too high after update

**Reported bugs**

- Can't beat first boss on level 280
- Forced to equip module but none available
- Data reset after update

**Requested features**

- Unlock level 13 upgrades
- Explain what upgrades/abilities do


## Frequently asked questions

### Is I9 Challenge 2.0 free?

I9 Challenge 2.0 is free to download, with no in-app purchases.

### Is Neon Wings free?

Neon Wings is free to download, with in-app purchases available.

### Do I9 Challenge 2.0 or Neon Wings have ads?

Neon Wings shows ads; I9 Challenge 2.0 does not.

### Which is updated more often, I9 Challenge 2.0 or Neon Wings?

I9 Challenge 2.0 ships an update every 2 months, and Neon Wings every 6 days. Most recently, I9 Challenge 2.0 was updated on November 7, 2026 and Neon Wings on November 13, 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.*