# csl. vs CTM Buddy

The clearest difference is rating: CTM Buddy at 2.5 against csl.'s 1.5. CTM Buddy also leads on review sentiment (25% vs 8%). csl.'s advantage is iOS requirement (13.0 vs 15.0). 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.

CTM Buddy holds the better App Store score, 2.5 against 1.5. Both are backed by a comparable volume of ratings — 24 and 26 respectively. Written reviews point the same way: 8% of csl.'s written reviews are positive against 25% of CTM Buddy's.

csl. ships an update every 3 weeks, CTM Buddy fortnightly. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | csl. | CTM Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (24 ratings)](https://appshunter.io/ios/app/csl/id433378614/reviews) | **[2.5 (26 ratings)](https://appshunter.io/ios/app/ctm-buddy/id489789348/reviews)** |
| Number of ratings | 24 | **26** |
| Positive reviews | 8.3% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 178 MB | 290 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CSL Mobile Limited](https://appshunter.io/developer/340690342) | [MACAU TELECOMUNICATIONS COMPANY LIMITED](https://appshunter.io/developer/404138775) |

## 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


### CTM Buddy

[App page](https://appshunter.io/ios/app/ctm-buddy/id489789348)

Manage your mobile account, check usage, pay bills, and access loyalty programs. Apply for new services, track shop tickets, and find Wi-Fi hotspots. Get detailed information on plans and promotions.

**Highlights:** Usage checking (mobile, data, Wi-Fi), Bill checking and payment, Bonus points inquiry and redemption, Online service applications, Shop ticket status tracking, Wi-Fi hotspot locator and password reset, Shop location finder

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

**In-app purchases:** none


## Frequently asked questions

### Is csl. free?

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

### Is CTM Buddy free?

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

### Which has better reviews, csl. or CTM Buddy?

CTM Buddy is rated higher. csl. averages 1.5 out of 5 from 24 ratings, while CTM Buddy averages 2.5 from 26 ratings.

### Do csl. or CTM Buddy have ads?

Neither csl. nor CTM Buddy shows ads.

### Which is updated more often, csl. or CTM Buddy?

csl. ships an update every 3 weeks, and CTM Buddy fortnightly. Most recently, csl. was updated on October 3, 2026 and CTM Buddy on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*