AC Freedom vs Maxhaust
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AC Freedom
Control and regulate your smart air conditioner remotely via your mobile device. Monitor its operational status and schedule weekly timers for convenience. Designed for specific home-used smart air conditioners.
- Remote AC control
- Adjust temperature
- Check working condition
- Set weekly timers
- User-friendly interface
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AC Freedom applied unique cloud computing technique. You can realize remote control of turning on and regulating the smart air conditioner through “AC Freedom” on mobile client. You can also check the working condition and set weekly timing. The interface is simple and friendly to customers which is only designed for specific home-used smart air conditioner rather than the whole production line.
Maxhaust
This app allows users to customize and control the exhaust sound of their vehicle through a connected sound module. It offers extensive profile settings, including adjustable volumes, RPM-dependent control, and advanced audio features like equalization and backfire effects.
- Unlimited sound profiles
- Adjustable idle and dynamic volume
- RPM-dependent volume control
- Simulated rough idle
- Equalizer function (Bass, Treble, Intensity, Distortion)
- Backfire/Misfire simulation
- Multiple sound options
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Important Note: This app is designed to work with Maxhaust Sound Booster Sound Booster with Sound Module There are unlimited number of profiles to setup and configure. Following Settings can be made for each Profile: • (NEW) Idle volume and Dynamic volume are now separately adjustable • Idle RPM • Dynamic RPM • Engine Start Sound/ power start • (NEW) Simulated Rough idle RPM • (NEW) RPM-Dependent Volume Control (RPM-DVC) • (NEW) Overrun-Dependent Volume Following features are only available with the Maxhaust Sound Module: • (NEW) Equaliser Function: Bass, Treble, Intensity, Distortion • (NEW) Backfire / Misfire • (NEW) More than one Sound! The Maxhaust Sound Module comes with several Sounds from V6 to V10. More Sounds can be downloaded in the future via the update function Additional features: • Profiles and Sounds will be adjusted in the app via Bluetooth Low Energy. Comfortable and fast. • Profile selection is done via the app as well as original car buttons • Demo mode • (NEW) Product customization and remote service via the app • Free Sound Booster/Sound Module software updates • No download limit when changing car • (NEW) Save the configuration before updating • Drive Select Mapper (if supported by the car). Original driving Profiles of the car can be used and configured • Automatic detection of the External Sound Modules such as Maserati, Audi, Porsche or Maxhaust Sound Module These features are only available with the Maxhaust Sound module: • (NEW) The Maxhaust Sound Module is the only Module on the market that supports up to four Speakers. Outside, inside or in the engine compartment. Perfect sound in every situation. If you have any questions, comments, or suggestions, please contact us at info@maxhaust.de
Screenshots
Verdict
The clearest difference is review sentiment: Maxhaust at 100% against AC Freedom's 13%. Maxhaust also leads on rating (2.0 vs 1.5) and iOS requirement (9.0 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Maxhaust holds the better App Store score, 2.0 against 1.5. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 13% of AC Freedom's written reviews are positive against 100% of Maxhaust's.
AC Freedom ships an update every 2 months, Maxhaust every 6 weeks. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.
| Parameter | AC Freedom | Maxhaust |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (2 ratings) | 2.0 (3 ratings) — better |
| Positive reviews | 13.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 3 — better |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 9.0 — better |
| Further details — not scored | ||
| Size | 78 MB | 21 MB |
| Age rating | 4+ | 17+ |
| Developer | Broadlink Co.,Ltd | Media-CarTec GmbH |
Customer experience
AC Freedom
Maxhaust
In-app purchases
AC Freedom
No in-app purchases
Maxhaust
No in-app purchases
