# Kno App vs Object

The clearest difference is in-app purchases: Object at none against Kno App's 2. Object also leads on update cadence (every 2 days vs every 4 days) and device support (3 vs 1). Kno App's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Kno App sells 2 in-app purchases, starting at $4.99 per month. Object asks for nothing beyond the download.

Kno App ships an update every 4 days, Object every 2 days. The most recent releases landed on September 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Kno App | Object |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | **Every 2 days** |
| Size | 32 MB | 37 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BRBR GROUP](https://appshunter.io/developer/1882102236) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### Kno App

[App page](https://appshunter.io/ios/app/kno-app-learn-something-new/id6759986030)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kno Premium Monthly | $4.99 | per month |
| Kno Premium Yearly | $39.99 | per year |


### Object

[App page](https://appshunter.io/ios/app/object-oriented-programming/id6768542937)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kno App free?

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

### Is Object free?

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

### Do Kno App or Object have ads?

Object shows ads; Kno App does not.

### Which is updated more often, Kno App or Object?

Kno App ships an update every 4 days, and Object every 2 days. Most recently, Kno App was updated on September 7, 2026 and Object on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*