Kstert vs ULTIMEA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kstert
Control Bluetooth devices and connect with friends through integrated social features. Discover new and exciting ways to interact with your devices and community.
- Bluetooth device control
- Integrated social features
- Discover new gameplay
- Connect with friends
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蓝牙设备操控工具的基础上，集成好友社交，更多新奇玩法等待您的发现！
ULTIMEA
Enhance your audio experience with smart controls and powerful EQ customization. This app allows for precise device management and regular updates, ensuring a personalized sound setup for your soundbar.
- Quick soundbar setup
- Enhanced audio with smart controls
- Powerful EQ customization
- 121 preset EQ matrices
- 10-band equalizer settings
- Remote control support
- Over-the-air (OTA) updates
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Use the app to quickly set up your Soundbar and enjoy enhanced audio with smart controls, powerful EQ customization, precise device management, and regular OTA updates for a personalized sound experience. Features: -121 preset EQ matrices for fine-tuned audio. -10-band equalizer settings to customize your sound. -6 dynamic scene modes and millions of colors. -Remote Control supported. -Keep device software updated, to enjoy the latest features. -Get product support. *Note: Some features may not be available on all products. At the same time, we will develop more product compatibility, thank you for your patience.
Screenshots
Verdict
The clearest difference is rating: ULTIMEA at 4.8 against Kstert's 2.9. ULTIMEA also leads on ratings volume (840 vs 36) and review sentiment (51% vs 37%). On price, update cadence, ads and in-app purchases 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.
ULTIMEA holds the better App Store score, 4.8 against 2.9. That said, the two scores are not equally well evidenced: ULTIMEA has 840 ratings behind it against 36, so its average is the more settled of the two. Written reviews point the same way: 37% of Kstert's written reviews are positive against 51% of ULTIMEA's.
Kstert ships an update every 3 weeks, ULTIMEA every 5 weeks. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.
| Parameter | Kstert | ULTIMEA |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (36 ratings) | 4.8 (840 ratings) — better |
| Positive reviews | 36.8% of reviews | 50.6% of reviews — better |
| Number of ratings | 36 | 840 — better |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 105 MB | 69 MB |
| Age rating | 17+ | 4+ |
| Developer | Shenzhen Aierweile Electronics Co., Ltd | Dynanic Inc. |
Customer experience
Kstert
ULTIMEA
Bugs and requests
Kstert
Not enough reviews yet to summarise bugs or requests.
ULTIMEA
Reported bugs
22 issues- App not connecting to various models (D50, D60, M4T, S60, S70, S80, Nova S70, Nova S40, Apollo S50, Poseidon D80, Poseidon D60, Poseidon Nova S80, Solo B30 Pro)
- Bluetooth connection drops
- Optimal mode works on and off
- Demote random stopped working
- App requires an account to run
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- Volume slider is imprecise and shoots up/down
- Last update made volume control impossible from remote
- EQ settings not working correctly after update
- System resets automatically after update
- Soundbar frequently fails to connect to TV via Bluetooth
- Rhythm mode brightness capped and unadjustable
- LED sensitivity removed
- Remote no longer supports lighting controls
- App offers little to no lighting customization
- New update ruined functionality
- App design changed to bright white, previously dark and pleasant
- Subwoofer emits a persistent, audible beep
- Delay in sound when video becomes quiet
- Popping sound from front left speaker in quiet scenes
- App crashes or freezes
- Device not found error
- Unable to connect to Bluetooth in the app
Requested features
12 requests- Add bass, mid-range, treble, and surround volume adjustments to the app
- Implement up/down arrow volume controls or number input instead of a slider
- Add more options for RGB lights customization
- Add Alexa support for voice control of volume
- Dark mode option for the app
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- Option to be notified when a device becomes supported
- Add volume control for rear speakers
- Allow manual adjustment of EQ settings
- Add auto shut-off feature (customizable)
- Restore removed LED customization features
- Provide a legacy version of the app
- Allow users to choose between light and dark mode
In-app purchases
Kstert
No in-app purchases
ULTIMEA
No in-app purchases
