# IIT CA EndUser vs Feelin

The clearest difference is iOS requirement: IIT CA EndUser at 12.0 against Feelin's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

IIT CA EndUser ships an update every 7 months, Feelin every 10 months. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | IIT CA EndUser | Feelin |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 41.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 10 months |
| Monetization | Free | — |
| Size | 40 MB | 31 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IIT, JSC](https://appshunter.io/developer/1447134477) | [Binotel LLC](https://appshunter.io/developer/1633049977) |

## What reviewers say

### IIT CA EndUser

[App page](https://appshunter.io/ios/app/iit-ca-enduser/id1447134478)

This application allows users to manage private keys and certificates for digital signatures. It enables the creation and verification of signatures to ensure data protection and authenticity.

**Highlights:** Private key management, Certificate control, Signature creation, Signature verification, Data protection

**Features:** macOS Compatibility

**In-app purchases:** none


### Feelin

[App page](https://appshunter.io/ios/app/feelin/id6476514930)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IIT CA EndUser free?

IIT CA EndUser is free to download, with no in-app purchases.

### Is Feelin free?

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

### Do IIT CA EndUser or Feelin have ads?

Neither IIT CA EndUser nor Feelin shows ads.

### Which is updated more often, IIT CA EndUser or Feelin?

IIT CA EndUser ships an update every 7 months, and Feelin every 10 months. Most recently, IIT CA EndUser was updated on October 2, 2026 and Feelin on October 6, 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.*