# SATATYA VISION vs IST

The clearest difference is update cadence: SATATYA VISION at every 6 months against IST's every 37 months. IST's advantage is iOS requirement (9.0 vs 15). 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.

SATATYA VISION ships an update every 6 months, IST every 37 months. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | SATATYA VISION | IST |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 37 months |
| Size | 56 MB | 137 MB |
| Requires iOS | 15 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Matrix ComSec Pvt. Ltd.](https://appshunter.io/developer/569454321) | [IST-MyDoor](https://appshunter.io/developer/1370246239) |

## What reviewers say

### SATATYA VISION

[App page](https://appshunter.io/ios/app/satatya-vision/id1046426806)

**In-app purchases:** none


### IST

[App page](https://appshunter.io/ios/app/ist-view/id1450580106)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SATATYA VISION free?

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

### Is IST free?

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

### Do SATATYA VISION or IST have ads?

Neither SATATYA VISION nor IST shows ads.

### Which is updated more often, SATATYA VISION or IST?

SATATYA VISION ships an update every 6 months, and IST every 37 months. Most recently, SATATYA VISION was updated on October 16, 2026 and IST on October 11, 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.*