# SCI vs Vichaar

The clearest difference is update cadence: Vichaar at every 5 days against SCI's every 4 months. SCI's advantage is iOS requirement (12.4 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SCI ships an update every 4 months, Vichaar every 5 days. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SCI | Vichaar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Size | 26 MB | 39 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Lynx Health LLC](https://appshunter.io/developer/1578889457) | [PMG Engineering Pvt Ltd](https://appshunter.io/developer/1756038565) |

## What reviewers say

### SCI

[App page](https://appshunter.io/ios/app/sci-lynx/id1578889455)

**In-app purchases:** none


### Vichaar

[App page](https://appshunter.io/ios/app/vichaar-speak-your-mind/id6761689197)

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

**In-app purchases:** none


## Frequently asked questions

### Is SCI free?

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

### Is Vichaar free?

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

### Do SCI or Vichaar have ads?

Neither SCI nor Vichaar shows ads.

### Which is updated more often, SCI or Vichaar?

SCI ships an update every 4 months, and Vichaar every 5 days. Most recently, SCI was updated on October 27, 2026 and Vichaar 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.*