# UOL Mail Pro vs C2S

The clearest difference is rating: C2S at 4.7 against UOL Mail Pro's 3.5. C2S also leads on review sentiment (48% vs 39%). UOL Mail Pro's advantage is iOS requirement (13.0 vs 15.1). On price, ratings volume, update cadence and ads there is nothing between them.

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

C2S holds the better App Store score, 4.7 against 3.5. Both are backed by a comparable volume of ratings — 31 and 37 respectively. Written reviews point the same way: 39% of UOL Mail Pro's written reviews are positive against 48% of C2S's.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 20, 2026.

## The numbers

| Metric | UOL Mail Pro | C2S |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (31 ratings)](https://appshunter.io/ios/app/uol-mail-pro/id1372865834/reviews) | **[4.7 (37 ratings)](https://appshunter.io/ios/app/c2s/id1530652167/reviews)** |
| Number of ratings | 31 | **37** |
| Positive reviews | 39.0% of reviews | **48.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 57 MB | 59 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [UOL Inc.](https://appshunter.io/developer/440898836) | [Bruno Gardenal Yukihara](https://appshunter.io/developer/1107430541) |

## What reviewers say

### UOL Mail Pro

[App page](https://appshunter.io/ios/app/uol-mail-pro/id1372865834)

Manage your professional emails efficiently with this application. It offers a modern interface, supports various file types, and integrates with other services. Perform multiple operations, undo actions, and manage contacts seamlessly.

**Highlights:** Modern and intelligent interface, Supports any file type, Integration with apps and services, Send emails to phone contacts, Multi-email operations, Undo operations, Swipe to delete emails

**In-app purchases:** none


### C2S

[App page](https://appshunter.io/ios/app/c2s/id1530652167)

Receive intelligent alerts and integrate with major classified portals to accelerate negotiations and increase monthly sales. This tool helps sellers close more deals faster.

**Highlights:** Intelligent alerts, Classified portal integrations, Accelerate negotiations, Increase sales closures, Warm up leads faster

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is UOL Mail Pro free?

UOL Mail Pro is free to download, with no in-app purchases.

### Is C2S free?

C2S is free to download, with no in-app purchases.

### Which has better reviews, UOL Mail Pro or C2S?

C2S is rated higher. UOL Mail Pro averages 3.5 out of 5 from 31 ratings, while C2S averages 4.7 from 37 ratings.

### Do UOL Mail Pro or C2S have ads?

Neither UOL Mail Pro nor C2S shows ads.

### Which is updated more often, UOL Mail Pro or C2S?

UOL Mail Pro ships an update every 3 weeks, and C2S every 3 weeks. Most recently, UOL Mail Pro was updated on October 20, 2026 and C2S on October 20, 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.*