# 開票易 My Cheque Mate vs csl.

The clearest difference is review sentiment: 開票易 My Cheque Mate at 77% against csl.'s 8%. 開票易 My Cheque Mate also leads on rating (5.0 vs 1.5) and iOS requirement (7.0 vs 13.0). csl.'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. 開票易 My Cheque Mate sells 1 one-off in-app purchase. csl. asks for nothing beyond the download.

開票易 My Cheque Mate holds the better App Store score, 5.0 against 1.5. That said, the two scores are not equally well evidenced: csl. has 24 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 77% of 開票易 My Cheque Mate's written reviews are positive against 8% of csl.'s.

開票易 My Cheque Mate ships an update every 2 months, csl. every 3 weeks. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 開票易 My Cheque Mate | csl. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/my-cheque-mate/id408431444/reviews)** | [1.5 (24 ratings)](https://appshunter.io/ios/app/csl/id433378614/reviews) |
| Number of ratings | 1 | **24** |
| Positive reviews | **76.6% of reviews** | 8.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 178 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Man Ki David yau](https://appshunter.io/developer/1057480519) | [CSL Mobile Limited](https://appshunter.io/developer/340690342) |

## What reviewers say

### 開票易 My Cheque Mate

[App page](https://appshunter.io/ios/app/my-cheque-mate/id408431444)

This utility helps users accurately write out monetary amounts in English, Traditional Chinese, and Simplified Chinese for cheques and promissory notes. It converts numerical input into the correct wordings, reducing errors and embarrassing mistakes.

**Highlights:** Converts numbers to English wordings, Converts numbers to Traditional Chinese wordings, Converts numbers to Simplified Chinese wordings, Supports HK Dollars, RMB, and TWD formats, Reference for cheque and promissory note writing

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| My Cheque Mate (Pro)開票易(專業版) | $0.99 | one-time |


### 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


## Frequently asked questions

### Is 開票易 My Cheque Mate free?

開票易 My Cheque Mate is free to download, with in-app purchases available.

### Is csl. free?

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

### Which has better reviews, 開票易 My Cheque Mate or csl.?

開票易 My Cheque Mate is rated higher. 開票易 My Cheque Mate averages 5.0 out of 5 from 1 ratings, while csl. averages 1.5 from 24 ratings.

### Do 開票易 My Cheque Mate or csl. have ads?

開票易 My Cheque Mate shows ads; csl. does not.

### Which is updated more often, 開票易 My Cheque Mate or csl.?

開票易 My Cheque Mate ships an update every 2 months, and csl. every 3 weeks. Most recently, 開票易 My Cheque Mate was updated on October 4, 2026 and csl. on October 3, 2026.

---

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