# Monster Masters EX vs Tether.io

The clearest difference is in-app purchases: Tether.io at none against Monster Masters EX's 15. Tether.io also leads on rating (5.0 vs 4.6) and iOS requirement (10.0 vs 13.0). Monster Masters EX's advantage is ratings volume (4.2K vs 2) and update cadence (every 6 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Monster Masters EX sells 15 one-off in-app purchases. Tether.io asks for nothing beyond the download.

Tether.io holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Monster Masters EX has 4.2K ratings behind it against 2, so its average is the more settled of the two.

Monster Masters EX ships an update every 6 weeks, Tether.io every 4 months. The most recent releases landed on October 19, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Monster Masters EX | Tether.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (4.2K ratings)](https://appshunter.io/ios/app/monster-masters-ex/id1434292068/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tetherio/id1493514623/reviews)** |
| Number of ratings | **4.2K** | 2 |
| Positive reviews | 68.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 540 MB | 152 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [LAN PARTY GAMES SL.](https://appshunter.io/developer/1434292067) | [Hemz Studios LLC](https://appshunter.io/developer/1482399421) |

## What reviewers say

### Monster Masters EX

[App page](https://appshunter.io/ios/app/monster-masters-ex/id1434292068)

Collect, train, and evolve a variety of monsters in this real-time multiplayer battle game. Strategize your team and duel players globally to become a legend. Unlock rewards and progress through leagues to prove your skills.

**Highlights:** Real-time multiplayer duels, Collect and evolve monsters, Unlock rewards with boxes, Progress through leagues, Create ultimate monster teams, Challenge friends privately

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Special Offer | $0.29 | one-time |
| Special Offer | $0.49 | one-time |
| Fistful of Gems RM | $0.99 | one-time |
| Special Offer | $0.99 | one-time |
| Pouch of Gems | $4.99 | one-time |
| Special Offer | $4.99 | one-time |
| Special Offer | $5.99 | one-time |
| Bucket of Gems | $9.99 | one-time |
| Special Offer | $9.99 | one-time |
| Special Offer | $12.99 | one-time |
| Special Offer | $14.99 | one-time |
| Barrel of Gems | $19.99 | one-time |
| Special Offer | $19.99 | one-time |
| Wagon of Gems | $49.99 | one-time |
| Mountain of Gems | $99.99 | one-time |

**What reviewers like**

- 👍 Fun and interesting game
- 👍 Great gameplay
- 👍 Enjoyable battles
- 👍 Unique monster designs

**What reviewers complain about**

- 🐛 Crashes and connection issues
- 🐛 Bugs and glitches
- 🕰️ Slow progression and leveling
- 🔄 Unbalanced matchmaking
- 💰 Pay-to-win elements

**Reported bugs**

- Game freezes at 100% loading
- Attacks not registering properly
- Disconnections during battles
- Inability to switch monsters in battle

**Requested features**

- Add a story mode or campaign
- Implement a monster dex or encyclopedia
- Allow monster customization and evolution
- Improve the rewards and progression system
- Add more game modes and content


### Tether.io

[App page](https://appshunter.io/ios/app/tetherio/id1493514623)

A simple, one-tap arcade game where players aim to score 10 points by tapping a ball at the precise moment to keep it spinning counter-clockwise. Master the timing to win.

**Highlights:** One-tap gameplay, Score-based objective, Counter-clockwise ball spin, Simple arcade mechanics, Timing-based challenges

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Monster Masters EX free?

Monster Masters EX is free to download, with in-app purchases available.

### Is Tether.io free?

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

### Which has better reviews, Monster Masters EX or Tether.io?

Tether.io is rated higher. Monster Masters EX averages 4.6 out of 5 from 4.2K ratings, while Tether.io averages 5.0 from 2 ratings.

### Do Monster Masters EX or Tether.io have ads?

Neither Monster Masters EX nor Tether.io shows ads.

### Which is updated more often, Monster Masters EX or Tether.io?

Monster Masters EX ships an update every 6 weeks, and Tether.io every 4 months. Most recently, Monster Masters EX was updated on October 19, 2026 and Tether.io on October 4, 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.*