# Tether.io vs Whooo?

The clearest difference is rating: Tether.io at 5.0 against Whooo?'s 4.3. Tether.io also leads on in-app purchases (none vs 10) and ads (none vs shown). Whooo?'s advantage is ratings volume (33K vs 2) and update cadence (every 6 weeks vs every 4 months). On price and device support there is nothing between them.

Both are free to download. Whooo? sells 10 one-off in-app purchases. Tether.io asks for nothing beyond the download.

Tether.io holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Whooo? has 33K ratings behind it against 2, so its average is the more settled of the two.

Tether.io ships an update every 4 months, Whooo? every 6 weeks. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Tether.io | Whooo? |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tetherio/id1493514623/reviews)** | [4.3 (33K ratings)](https://appshunter.io/ios/app/whooo/id1509471075/reviews) |
| Number of ratings | 2 | **33K** |
| Positive reviews | — | 18.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 152 MB | 219 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hemz Studios LLC](https://appshunter.io/developer/1482399421) | [Yso Corp](https://appshunter.io/developer/659815325) |

## What reviewers say

### 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


### Whooo?

[App page](https://appshunter.io/ios/app/whooo/id1509471075)

A fun guessing game where players identify characters based on their features. Unlock all the cards by correctly identifying the right person. Play solo or challenge friends in versus mode.

**Highlights:** Character identification, Feature-based guessing, Card collection, Solo mode, Versus mode

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 coins | $0.99 | one-time |
| 2250 coins | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| 6000 coins | $4.99 | one-time |
| Monster Pack | $4.99 | one-time |
| Redheads Pack | $4.99 | one-time |
| Glasses Pack | $4.99 | one-time |
| Hat Pack | $4.99 | one-time |
| 15 000 coins | $9.99 | one-time |
| Ultimate Pack | $14.99 | one-time |

**What reviewers like**

- 🚀 Fun game
- 👍 Gameplay similar to board game
- 💡 Potential for multiplayer mode

**What reviewers complain about**

- 🔥 Too many ads
- 🐛 Glitches and freezing issues
- 🤖 Opponent has unfair advantage
- 🤔 Limited question options

**Reported bugs**

- Game freezes during finals
- Opponent cards not matching correctly

**Requested features**

- Reduce ads or offer ad-free version
- Add ability to choose characters
- Improve gameplay balance
- Expand question options


## Frequently asked questions

### Is Tether.io free?

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

### Is Whooo? free?

Whooo? is free to download, with in-app purchases available.

### Which has better reviews, Tether.io or Whooo??

Tether.io is rated higher. Tether.io averages 5.0 out of 5 from 2 ratings, while Whooo? averages 4.3 from 33K ratings.

### Do Tether.io or Whooo? have ads?

Whooo? shows ads; Tether.io does not.

### Which is updated more often, Tether.io or Whooo??

Tether.io ships an update every 4 months, and Whooo? every 6 weeks. Most recently, Tether.io was updated on October 4, 2026 and Whooo? on October 15, 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.*