# String.io vs Spear.io 3D

The clearest difference is in-app purchases: Spear.io 3D at none against String.io's 4. Spear.io 3D also leads on update cadence (every 2 weeks vs every 3 months) and ratings volume (44K vs 1.8K). String.io's advantage is review sentiment (58% vs 40%). On price, rating, 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. Spear.io 3D asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for String.io against 4.6 for Spear.io 3D. That said, the two scores are not equally well evidenced: Spear.io 3D has 44K ratings behind it against 1.8K, so its average is the more settled of the two. Written reviews are what separate them: 58% of String.io's written reviews are positive against 40% of Spear.io 3D's.

String.io ships an update every 3 months, Spear.io 3D every 2 weeks. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | String.io | Spear.io 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (1.8K ratings)](https://appshunter.io/ios/app/stringio/id1243426580/reviews) | **[4.6 (44K ratings)](https://appshunter.io/ios/app/speario-3d/id1474798923/reviews)** |
| Number of ratings | 1.8K | **44K** |
| Positive reviews | **58.4% of reviews** | 39.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Subscription | **Ad-supported** |
| Size | 339 MB | 154 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Metajoy](https://appshunter.io/developer/1436156282) | [UDO GAMES OYUN YAZILIM ANONIM SIRKETI](https://appshunter.io/developer/944939988) |

## What reviewers say

### 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


### Spear.io 3D

[App page](https://appshunter.io/ios/app/speario-3d/id1474798923)

Control a gladiator with a spear in a 3D arena. Move your character to impale other players and level up your abilities. Compete against others in this action-packed game.

**Highlights:** 3D gladiator control, Spear combat mechanics, Player vs. player arena, Leveling up system, Intuitive finger controls

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast-paced and addictive gameplay
- 👍 Fun and unique concept
- 😊 Highly entertaining time-killer

**What reviewers complain about**

- 🔍 Lack of content and progression
- 💸 Excessive and disruptive ads
- 🐛 Frequent glitches and freezes

**Reported bugs**

- Game freezes after watching ads
- Revive option doesn't work as intended
- Inconsistent and unpredictable controls

**Requested features**

- More weapons and power-ups
- Customizable skins and characters
- Online multiplayer mode
- Save progress and level system


## Frequently asked questions

### Is String.io free?

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

### Is Spear.io 3D free?

Spear.io 3D is free to download, with no in-app purchases.

### Which has better reviews, String.io or Spear.io 3D?

Spear.io 3D is rated higher. String.io averages 4.5 out of 5 from 1.8K ratings, while Spear.io 3D averages 4.6 from 44K ratings.

### Do String.io or Spear.io 3D have ads?

Both String.io and Spear.io 3D show ads.

### Which is updated more often, String.io or Spear.io 3D?

String.io ships an update every 3 months, and Spear.io 3D every 2 weeks. Most recently, String.io was updated on October 7, 2026 and Spear.io 3D on October 14, 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.*