# HAAM AC vs mystc SA

The clearest difference is rating: mystc SA at 3.2 against HAAM AC's 2.0. mystc SA also leads on update cadence (every 4 days vs every 9 months) and ratings volume (13 vs 4). HAAM AC's advantage is ads (none vs shown) and review sentiment (18% vs 0%). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

mystc SA holds the better App Store score, 3.2 against 2.0. Both are backed by a comparable volume of ratings — 4 and 13 respectively. Written reviews complicate that: 18% of HAAM AC's written reviews are positive against 0% of mystc SA's, so the app with the better star average is not the one people write more warmly about.

HAAM AC ships an update every 9 months, mystc SA every 4 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | HAAM AC | mystc SA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (4 ratings)](https://appshunter.io/ios/app/haam-ac/id1531834708/reviews) | **[3.2 (13 ratings)](https://appshunter.io/ios/app/mystc-sa/id6786701577/reviews)** |
| Number of ratings | 4 | **13** |
| Positive reviews | **18.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 4 days** |
| Monetization | **Free** | Ad-supported |
| Size | 93 MB | 62 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Guangdong Meizhi Compressor Co., Ltd.](https://appshunter.io/developer/1441287281) | [STC](https://appshunter.io/developer/354934610) |

## What reviewers say

### HAAM AC

[App page](https://appshunter.io/ios/app/haam-ac/id1531834708)

Control your smart air conditioner remotely for comfort, efficiency, and safety. Customize sleep settings and schedule automatic on/off times. Offers a new user experience with special functions and interactive design.

**Highlights:** Remote air conditioner control, Customizable sleep curves, Time scheduling for auto-switch, New user experience and UI design, Monitor home air quality remotely

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

**In-app purchases:** none


### mystc SA

[App page](https://appshunter.io/ios/app/mystc-sa/id6786701577)

This app offers a completely redesigned experience for managing stc services. It provides easier access to account actions, shopping, loyalty programs, and support, with dedicated sections for lines and services. Enjoy personalized themes and streamlined everyday tasks.

**Highlights:** Redesigned app structure, Dedicated Line Hub, Refreshed Store for products, Loyalty program access, Saved locations management, New visual themes, Bill payment and recharge

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

**In-app purchases:** none


## Frequently asked questions

### Is HAAM AC free?

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

### Is mystc SA free?

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

### Which has better reviews, HAAM AC or mystc SA?

mystc SA is rated higher. HAAM AC averages 2.0 out of 5 from 4 ratings, while mystc SA averages 3.2 from 13 ratings.

### Do HAAM AC or mystc SA have ads?

mystc SA shows ads; HAAM AC does not.

### Which is updated more often, HAAM AC or mystc SA?

HAAM AC ships an update every 9 months, and mystc SA every 4 days. Most recently, HAAM AC was updated on November 3, 2026 and mystc SA on November 5, 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.*