# Fence.io vs String.io

The clearest difference is review sentiment: String.io at 58% against Fence.io's 0%. String.io also leads on update cadence (every 3 months vs every 42 months) and ratings volume (1.8K vs 8). Fence.io's advantage is rating (5.0 vs 4.5) and in-app purchases (none vs 4). On price, ads and device support there is nothing between them.

Both are free to download. String.io sells 4 in-app purchases, starting at $7.99 per 7 days. Fence.io asks for nothing beyond the download.

Fence.io holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: String.io has 1.8K ratings behind it against 8, so its average is the more settled of the two. Written reviews complicate that: 0% of Fence.io's written reviews are positive against 58% of String.io's, so the app with the better star average is not the one people write more warmly about.

Fence.io ships an update every 42 months, String.io every 3 months. The most recent releases landed on October 5, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Fence.io | String.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/fenceio-chicken-slither-3d/id1229965418/reviews)** | [4.5 (1.8K ratings)](https://appshunter.io/ios/app/stringio/id1243426580/reviews) |
| Number of ratings | 8 | **1.8K** |
| Positive reviews | 0.0% of reviews | **58.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 42 months | **Every 3 months** |
| Monetization | **Ad-supported** | Subscription |
| Size | 98 MB | 339 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Beijing Popeach Network Technology Limited](https://appshunter.io/developer/866520139) | [Metajoy](https://appshunter.io/developer/1436156282) |

## What reviewers say

### Fence.io

[App page](https://appshunter.io/ios/app/fenceio-chicken-slither-3d/id1229965418)

Enclose land and grow your territory by drawing trails with your character. Avoid colliding with your own path or opponents to conquer the largest kingdom. Enjoy simple controls and engaging gameplay in both 2D and 3D modes.

**Highlights:** Enclose land to grow territory, Avoid colliding with own path, Eliminate opponents by hitting trails, 2D and 3D gameplay modes, Simple and smooth controls, Offline play

**Features:** macOS Compatibility

**In-app purchases:** none


### String.io

[App page](https://appshunter.io/ios/app/stringio/id1243426580)

Capture territory by enclosing areas with your string. Attack opponents by hitting their tails. Unlock avatars and enjoy minimalist graphics in this competitive .io game.

**Highlights:** Enclose areas to capture territory, Attack players by hitting tails, Unlock over 30 avatars, Minimalist graphics, Multiple control methods

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscribe For 1 Week | $7.99 | per 7 days |
| Subscribe For 1 Month | $19.99 | per month |
| Subscribe For 1 Year | $99.99 | per year |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 🚀 Fast and addictive gameplay
- 👍 Variety of skins and characters
- 💡 Creative game concept
- 🎨 Colorful and visually appealing

**What reviewers complain about**

- 🔍 Opponents are AI, not real players
- 💰 Expensive in-app purchases for skins
- 📢 Excessive ads and ad interruptions
- 🐛 Occasional crashes and glitches

**Reported bugs**

- Game freezes at 24% loading
- Missions not registering as completed
- Inconsistent collision detection

**Requested features**

- Online multiplayer mode
- Ability to play with friends
- More levels and game modes
- Improved mission system


## Frequently asked questions

### Is Fence.io free?

Fence.io is free to download, with no in-app purchases.

### Is String.io free?

String.io is free to download, with in-app purchases available.

### Which has better reviews, Fence.io or String.io?

Fence.io is rated higher. Fence.io averages 5.0 out of 5 from 8 ratings, while String.io averages 4.5 from 1.8K ratings.

### Do Fence.io or String.io have ads?

Both Fence.io and String.io show ads.

### Which is updated more often, Fence.io or String.io?

Fence.io ships an update every 42 months, and String.io every 3 months. Most recently, Fence.io was updated on October 5, 2026 and String.io on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*