# Know vs SACTIN

The clearest difference is in-app purchases: SACTIN at none against Know's 1. Know's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Know sells 1 one-off in-app purchase. SACTIN asks for nothing beyond the download.

Know ships an update weekly, SACTIN every 4 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Know | SACTIN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/know-it-all/id1513744752/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 23.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 21 MB | 51 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Amal TS](https://appshunter.io/developer/1492838041) | [Sijo TJ](https://appshunter.io/developer/1579654771) |

## What reviewers say

### Know

[App page](https://appshunter.io/ios/app/know-it-all/id1513744752)

Expand your knowledge across a wide range of subjects including history, science, and arts. Engage with interactive questions, learn new facts, and compete with friends to test your expertise.

**Highlights:** Learn about History, Science, Geography, Improve knowledge on Arts, Sports, Film, Answer trivia questions, Challenge friends, Wide range of topics covered

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### SACTIN

[App page](https://appshunter.io/ios/app/sactin/id6478972064)

This online school management system streamlines administrative tasks and enhances school operations. It integrates efficient methods to make educational institutions smarter and more manageable.

**Highlights:** Online school management, Continuous tracking intelligence, Efficient school operations, Smarter school integration, Complete management solution

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

**In-app purchases:** none


## Frequently asked questions

### Is Know free?

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

### Is SACTIN free?

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

### Do Know or SACTIN have ads?

Neither Know nor SACTIN shows ads.

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

Know ships an update weekly, and SACTIN every 4 days. Most recently, Know was updated on October 24, 2026 and SACTIN on October 30, 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.*