# Contact Tools vs C2S

The clearest difference is review sentiment: C2S at 48% against Contact Tools's 0%. C2S also leads on update cadence (every 3 weeks vs every 26 months). Contact Tools's advantage is iOS requirement (9.0 vs 15.1). 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.

Contact Tools ships an update every 26 months, C2S every 3 weeks. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Contact Tools | C2S |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (37 ratings)](https://appshunter.io/ios/app/c2s/id1530652167/reviews)** |
| Number of ratings | — | **37** |
| Positive reviews | 0.0% of reviews | **48.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 62 MB | 59 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Escolha Tecnologia LTDA - ME](https://appshunter.io/developer/962923724) | [Bruno Gardenal Yukihara](https://appshunter.io/developer/1107430541) |

## What reviewers say

### Contact Tools

[App page](https://appshunter.io/ios/app/contact-tools/id1434768988)

Send messages to any phone number without saving it to your contact list. This tool allows for quick communication with individuals not already in your address book.

**Highlights:** Send messages to unsaved numbers, Direct chat initiation, No contact saving required, Quick communication

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

**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 Contact Tools free?

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

### Is C2S free?

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

### Do Contact Tools or C2S have ads?

Neither Contact Tools nor C2S shows ads.

### Which is updated more often, Contact Tools or C2S?

Contact Tools ships an update every 26 months, and C2S every 3 weeks. Most recently, Contact Tools was updated on October 12, 2026 and C2S on October 16, 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.*