# csl. vs AIRTALK ROAM

The clearest difference is rating: AIRTALK ROAM at 4.5 against csl.'s 1.5. AIRTALK ROAM also leads on review sentiment (17% vs 8%). csl.'s advantage is update cadence (every 3 weeks vs every 4 months) and ratings volume (24 vs 2). 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.

AIRTALK ROAM holds the better App Store score, 4.5 against 1.5. That said, the two scores are not equally well evidenced: csl. has 24 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 8% of csl.'s written reviews are positive against 17% of AIRTALK ROAM's.

csl. ships an update every 3 weeks, AIRTALK ROAM every 4 months. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | csl. | AIRTALK ROAM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (24 ratings)](https://appshunter.io/ios/app/csl/id433378614/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/airtalk-roam/id1268977872/reviews)** |
| Number of ratings | **24** | 2 |
| Positive reviews | 8.3% of reviews | **16.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 178 MB | 14 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CSL Mobile Limited](https://appshunter.io/developer/340690342) | [Shinetown Telecommunication Ltd](https://appshunter.io/developer/953053350) |

## What reviewers say

### csl.

[App page](https://appshunter.io/ios/app/csl/id433378614)

Manage your mobile service plan, monitor data and voice usage, and check your account balance. Access exclusive offers, coupons, and limited-period deals. Browse the latest mobile models and service plans with special pricing.

**Highlights:** Monitor data and voice usage, Manage roaming balance, Check account balance and billing history, Automatic credit card payment setup, Access coupons and limited-period offers, Browse latest mobile models and plans

**In-app purchases:** none


### AIRTALK ROAM

[App page](https://appshunter.io/ios/app/airtalk-roam/id1268977872)

This mobile voice application connects users to their destinations, allowing them to stay in touch with friends and family back home. It is designed specifically for AIRSIM users.

**Highlights:** Global voice connectivity, Connects to destinations, Keeps users in touch with home, Designed for AIRSIM users

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is csl. free?

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

### Is AIRTALK ROAM free?

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

### Which has better reviews, csl. or AIRTALK ROAM?

AIRTALK ROAM is rated higher. csl. averages 1.5 out of 5 from 24 ratings, while AIRTALK ROAM averages 4.5 from 2 ratings.

### Do csl. or AIRTALK ROAM have ads?

Neither csl. nor AIRTALK ROAM shows ads.

### Which is updated more often, csl. or AIRTALK ROAM?

csl. ships an update every 3 weeks, and AIRTALK ROAM every 4 months. Most recently, csl. was updated on October 3, 2026 and AIRTALK ROAM on October 17, 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.*