High confidence · Latest 64 of 131 total reviews analyzed · Based on 131 reviews. Signal may be noisy.

Upset

Recent user voice shows a upset sentiment. Users appreciate the core temperature control functionality provides significant value when the connection remains stable during use, but report persistent bluetooth connectivity failures force users to manually re-pair the device before every single session and post-update instability causes app crashes and login loops that render the smart features completely inaccessible.

Rating: 1.4

Reviews: 131

Confidence: high

How did the latest release land?

Overall
1.4/ 5
(9.8K)
Current version
3.4/ 5
+1.9 vs overall
(250)
Main signal post-update: the core temperature control functionality provides significant value when the connection remains stable during use.

Sentiment over time

Weekly average rating and review volume across stores, last 90 days.

How have ratings & review volume moved?

Rating, review sentiment, and total reviews over time, with release markers showing the post-launch impact.

Rating over time

Vertical markers = app releases. Hover any release for the post-release impact delta.

Review themes

Praise

What users love

  • The core temperature control functionality provides significant value when the connection remains stable during use
    • Users report satisfaction with the mug performance when the app successfully maintains the desired heat
    • Some users find the app interface easier to manage for temperature adjustments than the physical button
Complaint

Common complaints

  • Persistent Bluetooth connectivity failures force users to manually re-pair the device before every single session
    • Multiple reports of the app failing to recognize previously paired mugs upon opening
    • Users describe a repetitive cycle of deleting and re-adding the device to regain temporary functionality
  • Post-update instability causes app crashes and login loops that render the smart features completely inaccessible
    • Users report being stuck on loading screens or unable to bypass the login process after the latest update
    • Reports of the app failing to launch or crashing immediately when attempting to pair a mug
Request

Most requested

  • Reliable background connectivity to ensure the mug maintains temperature without constant manual app intervention
    • Users request a fix that allows the app to stay connected in the background without dropping the link
    • Requests for a more stable pairing process that does not require daily manual reconfiguration

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Ember, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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