# IIT Sign Client vs YASNO Mobile

The clearest difference is update cadence: YASNO Mobile at weekly against IIT Sign Client's every 2 months. IIT Sign Client's advantage is iOS requirement (12.0 vs 15.0). On price, review sentiment, 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 Sign Client ships an update every 2 months, YASNO Mobile weekly. Both last shipped on November 3, 2026.

## The numbers

| Metric | IIT Sign Client | YASNO Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (361 ratings)](https://appshunter.io/ios/app/yasno-mobile/id6446357858/reviews)** |
| Number of ratings | — | **361** |
| Positive reviews | 12.5% of reviews | **16.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 20 MB | 94 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IIT, JSC](https://appshunter.io/developer/1447134477) | [D.SOLUTIONS LLC](https://appshunter.io/developer/1677523072) |

## What reviewers say

### IIT Sign Client

[App page](https://appshunter.io/ios/app/iit-sign-client/id1467005893)

This application facilitates the signing of data using private keys. It leverages network modules on signature servers for secure key storage and operation.

**Highlights:** Data signing functionality, Private key management, Network module integration, Signature server utilization, Secure key storage

**Features:** macOS Compatibility

**In-app purchases:** none


### YASNO Mobile

[App page](https://appshunter.io/ios/app/yasno-mobile/id6446357858)

Manage your electricity and gas services with ease. View bills, submit meter readings, and make payments without commission. Analyze consumption to reduce costs and access exclusive offers.

**Highlights:** View electricity and gas bills, Submit meter readings, Pay utility bills commission-free, Analyze energy consumption, Set meter reading reminders, Manage multiple accounts, Access loyalty program and discounts

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

**In-app purchases:** none


## Frequently asked questions

### Is IIT Sign Client free?

IIT Sign Client is free to download, with no in-app purchases.

### Is YASNO Mobile free?

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

### Do IIT Sign Client or YASNO Mobile have ads?

Neither IIT Sign Client nor YASNO Mobile shows ads.

### Which is updated more often, IIT Sign Client or YASNO Mobile?

IIT Sign Client ships an update every 2 months, and YASNO Mobile weekly. Most recently, IIT Sign Client was updated on November 3, 2026 and YASNO Mobile on November 3, 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.*