# Know vs Estiball

The clearest difference is in-app purchases: Estiball at none against Know's 12. Estiball also leads on update cadence (every 8 days vs every 2 months). Know's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Know sells 12 in-app purchases, starting at $3.99 per month. Estiball asks for nothing beyond the download.

Know ships an update every 2 months, Estiball every 8 days. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Know | Estiball |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/know-it-all-a-guessing-game/id1522005194/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 17 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flying Potato Entertainment](https://appshunter.io/developer/1436832344) | [Ulrich Helker](https://appshunter.io/developer/1330497021) |

## What reviewers say

### Know

[App page](https://appshunter.io/ios/app/know-it-all-a-guessing-game/id1522005194)

Engage in a multiplayer guessing game where players estimate facts across various themes. Compete with friends to achieve the highest score and earn bragging rights.

**Highlights:** Multiplayer guessing gameplay, Estimate facts on various themes, Create custom games with chosen sets and rounds, Shared paid content access, Fun mode for bonus points, Competitive scoring system

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Monthly | $3.99 | per month |
| Premium - Yearly | $22.99 | per year |
| The 2000's II | $1.99 | one-time |
| Medical Curiosities | $1.99 | one-time |
| History lessons I | $1.99 | one-time |
| World records | $1.99 | one-time |
| Crazy stuff | $1.99 | one-time |
| Foodissimo | $1.99 | one-time |
| Let's talk about sex | $1.99 | one-time |
| Hollywood | $1.99 | one-time |
| Crazy world of liquors | $1.99 | one-time |
| All 11 Sets - Save 50% | $10.99 | one-time |


### Estiball

[App page](https://appshunter.io/ios/app/estiball/id6744832133)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Know free?

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

### Is Estiball free?

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

### Do Know or Estiball have ads?

Estiball shows ads; Know does not.

### Which is updated more often, Know or Estiball?

Know ships an update every 2 months, and Estiball every 8 days. Most recently, Know was updated on October 29, 2026 and Estiball on October 28, 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.*