# ACARS vs Westminster ChimeX

The clearest difference is rating: ACARS at 3.0 against Westminster ChimeX's 1.5. ACARS also leads on review sentiment (41% vs 17%) and ratings volume (14 vs 2). Westminster ChimeX's advantage is price ($0.99 vs $2.99). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

ACARS costs $2.99 and Westminster ChimeX $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ACARS holds the better App Store score, 3.0 against 1.5. That said, the two scores are not equally well evidenced: ACARS has 14 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 41% of ACARS's written reviews are positive against 17% of Westminster ChimeX's.

ACARS ships an update every 12 months, Westminster ChimeX every 6 months. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ACARS | Westminster ChimeX |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | **[3.0 (14 ratings)](https://appshunter.io/ios/app/acars/id386825917/reviews)** | [1.5 (2 ratings)](https://appshunter.io/ios/app/westminster-chimex/id526642407/reviews) |
| Number of ratings | **14** | 2 |
| Positive reviews | **41.4% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 months** |
| Monetization | Paid | Paid |
| Size | 2 MB | 2 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Black Cat Systems](https://appshunter.io/developer/301047032) | [Pariahware, Inc.](https://appshunter.io/developer/348988245) |

## What reviewers say

### ACARS

[App page](https://appshunter.io/ios/app/acars/id386825917)

View ACARS aircraft transmissions on your iOS device without a bulky computer. Requires a radio scanner tuned to the aircraft band. Save decodes to a file or transfer to your computer.

**Highlights:** View ACARS transmissions on iOS, Save decoded packets to a file, Transfer data to computer via iTunes, Built-in aircraft model database, Add custom plane information, Color-coded packet fields

**Features:** macOS Compatibility

**In-app purchases:** none


### Westminster ChimeX

[App page](https://appshunter.io/ios/app/westminster-chimex/id526642407)

This app plays Westminster chimes every quarter hour with an elegant and minimalistic design. It functions even when not actively running, making it ideal for discreet timekeeping or for users with visual impairments.

**Highlights:** Plays Westminster chimes, Quarter-hour alerts, Minimalistic design, Runs in the background, Discreet timekeeping

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

**In-app purchases:** none


## Frequently asked questions

### Is ACARS free?

ACARS costs $2.99, with no in-app purchases.

### Is Westminster ChimeX free?

Westminster ChimeX costs $0.99, with no in-app purchases.

### Which has better reviews, ACARS or Westminster ChimeX?

ACARS is rated higher. ACARS averages 3.0 out of 5 from 14 ratings, while Westminster ChimeX averages 1.5 from 2 ratings.

### Do ACARS or Westminster ChimeX have ads?

Neither ACARS nor Westminster ChimeX shows ads.

### Which is updated more often, ACARS or Westminster ChimeX?

ACARS ships an update every 12 months, and Westminster ChimeX every 6 months. Most recently, ACARS was updated on October 18, 2026 and Westminster ChimeX on October 15, 2026.

---

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