# UPG vs IIT Sign Client

The clearest difference is review sentiment: UPG at 45% against IIT Sign Client's 13%. UPG also leads on update cadence (every 10 days vs every 2 months). IIT Sign Client's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

UPG ships an update every 10 days, IIT Sign Client every 2 months. The most recent releases landed on October 24, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | UPG | IIT Sign Client |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (223 ratings)](https://appshunter.io/ios/app/upg/id1451497650/reviews)** | — |
| Number of ratings | **223** | — |
| Positive reviews | **45.5% of reviews** | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 136 MB | 20 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [UPG](https://appshunter.io/developer/1451497649) | [IIT, JSC](https://appshunter.io/developer/1447134477) |

## What reviewers say

### UPG

[App page](https://appshunter.io/ios/app/upg/id1451497650)

This app allows users to manage their loyalty program benefits, including earning and redeeming bonuses. It also facilitates online fuel purchases and ordering food and drinks at a discount. Users can find nearby stations, track transactions, and stay updated on news and promotions.

**Highlights:** Digital loyalty card, Accumulate and use bonuses, Online fuel purchase, Order burgers and coffee online, Exclusive offers and promotions, Find nearby stations, Transaction history tracking

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is UPG free?

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

### Is IIT Sign Client free?

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

### Do UPG or IIT Sign Client have ads?

Neither UPG nor IIT Sign Client shows ads.

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

UPG ships an update every 10 days, and IIT Sign Client every 2 months. Most recently, UPG was updated on October 24, 2026 and IIT Sign Client on October 2, 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.*