# String.io vs Paint Master 3D

The clearest difference is in-app purchases: Paint Master 3D at none against String.io's 4. Paint Master 3D also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (11.1 vs 15.0). 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. Paint Master 3D asks for nothing beyond the download.

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

## The numbers

| Metric | String.io | Paint Master 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.8K ratings)](https://appshunter.io/ios/app/stringio/id1243426580/reviews)** | — |
| Number of ratings | **1.8K** | — |
| Positive reviews | 58.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Subscription | — |
| Size | 339 MB | 90 MB |
| Requires iOS | 15.0 | **11.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Metajoy](https://appshunter.io/developer/1436156282) | [Niklaus Vinn](https://appshunter.io/developer/1464658653) |

## 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


### Paint Master 3D

[App page](https://appshunter.io/ios/app/paint-master-3d/id1584474582)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is String.io free?

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

### Is Paint Master 3D free?

Paint Master 3D is free to download, with no in-app purchases.

### Do String.io or Paint Master 3D have ads?

Both String.io and Paint Master 3D show ads.

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

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