# Utsource vs celky.com

The clearest difference is iOS requirement: celky.com at 12.1 against Utsource's 15.0. 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.

Utsource ships an update every 3 months, celky.com every 4 months. The most recent releases landed on August 4, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Utsource | celky.com |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/utsource/id1076084260/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | — |
| Size | 43 MB | 157 MB |
| Requires iOS | 15.0 | **12.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UTSOURCE HOLDING COMPANY LIMITED](https://appshunter.io/developer/1076084259) | [Hemant verma](https://appshunter.io/developer/1588906588) |

## What reviewers say

### Utsource

[App page](https://appshunter.io/ios/app/utsource/id1076084260)

This app is a professional purchasing tool for electronic components, offering a vast database of ICs, modules, and RF transistors. It features advanced search, detailed product parameters, global payment options, and reliable shipping services.

**Highlights:** Extensive electronic component database, Advanced search functionality, Detailed product parameter PDFs, Global payment system support, Cooperation with top shipping companies, Online customer consulting and support

**Features:** macOS Compatibility

**In-app purchases:** none


### celky.com

[App page](https://appshunter.io/ios/app/celkycom/id1588906586)

**In-app purchases:** none


## Frequently asked questions

### Is Utsource free?

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

### Is celky.com free?

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

### Do Utsource or celky.com have ads?

Neither Utsource nor celky.com shows ads.

### Which is updated more often, Utsource or celky.com?

Utsource ships an update every 3 months, and celky.com every 4 months. Most recently, Utsource was updated on August 4, 2026 and celky.com on September 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.*