# CK Institutions vs Nandakumar IRS

The clearest difference is update cadence: Nandakumar IRS at every 6 days against CK Institutions's every 7 months. Nandakumar IRS also leads on iOS requirement (13.0 vs 15.1). 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.

CK Institutions ships an update every 7 months, Nandakumar IRS every 6 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CK Institutions | Nandakumar IRS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 days** |
| Size | 44 MB | 62 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NexBorg Software Solutions Private Limited](https://appshunter.io/developer/1517071224) | [MARKSEASY PREPARATION PRIVATE LIMITED](https://appshunter.io/developer/1449014314) |

## What reviewers say

### CK Institutions

[App page](https://appshunter.io/ios/app/ck-institutions/id6746475779)

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

**In-app purchases:** none


### Nandakumar IRS

[App page](https://appshunter.io/ios/app/nandakumar-irs/id6755545311)

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

**In-app purchases:** none


## Frequently asked questions

### Is CK Institutions free?

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

### Is Nandakumar IRS free?

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

### Do CK Institutions or Nandakumar IRS have ads?

Neither CK Institutions nor Nandakumar IRS shows ads.

### Which is updated more often, CK Institutions or Nandakumar IRS?

CK Institutions ships an update every 7 months, and Nandakumar IRS every 6 days. Most recently, CK Institutions was updated on October 28, 2026 and Nandakumar IRS on October 25, 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.*