# SmartKnow vs Offbit

The clearest difference is in-app purchases: SmartKnow at none against Offbit's 7. SmartKnow also leads on device support (3 vs 1) and iOS requirement (14.0 vs 17.0). Offbit's advantage is update cadence (every 2 days vs every 2 months). On price and ads there is nothing between them.

Both are free to download. Offbit sells 7 in-app purchases, starting at $0.99 per month. SmartKnow asks for nothing beyond the download.

SmartKnow ships an update every 2 months, Offbit every 2 days. The most recent releases landed on September 16, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | SmartKnow | Offbit |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 26 MB | 28 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NETBERRY SERVICIOS DE INTERNET SOCIEDAD LIMITADA](https://appshunter.io/developer/565859681) | [MIQUEL COS MARTI](https://appshunter.io/developer/6800112393) |

## What reviewers say

### SmartKnow

[App page](https://appshunter.io/ios/app/smartknow/id1205250872)

This application is designed for conducting TNS studies. It provides tools to facilitate research and analysis within this specific field. The app aims to streamline the process of gathering and interpreting data for TNS-related projects.

**Highlights:** Conduct TNS studies, Facilitate research, Data analysis tools, Streamline data gathering, Interpret project data

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

**In-app purchases:** none


### Offbit

[App page](https://appshunter.io/ios/app/offbit-screen-time/id6800112391)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Offbit Monthly | $0.99 | per month |
| Offbit Annual | $1.99 | per year |
| Alien Avatar | $1.99 | one-time |
| Chimp Avatar | $1.99 | one-time |
| Moai Avatar | $1.99 | one-time |
| Surfer Avatar | $3.99 | one-time |
| Offbit Premium Lifetime | $8.99 | one-time |


## Frequently asked questions

### Is SmartKnow free?

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

### Is Offbit free?

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

### Do SmartKnow or Offbit have ads?

Neither SmartKnow nor Offbit shows ads.

### Which is updated more often, SmartKnow or Offbit?

SmartKnow ships an update every 2 months, and Offbit every 2 days. Most recently, SmartKnow was updated on September 16, 2026 and Offbit on September 10, 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.*