If GB WhatsApp is changing the theme, then users can switch to over 5,800 free templates through the native “Theme Store” (official WhatsApp only has 32 variants). Metrics from 2025 show that the time it takes to download the template is 4.2 seconds (median file size 3.7MB) and the installation rate is up to 98%. For instance, Indian users are fond of “dark minimalist” (37%), and its night mode can reduce the screen power consumption by 23% (the measured power consumption of AMOLED screens dropped from 420mW to 323mW). You can preview and set a new topic in 0.8 seconds by long-pressing the blank area of the chat list to invoke the “Quick Topic Switch” menu. It is three times faster than setting the path manually.
During third-party theme package installations, the format should be.gbTHM (41% larger compression ratio than.apK for the customized format) and the MD5 check code is the same as the published value by the developer 100% (2025 malicious theme detection rate: 12%). As an example, there are over 600 themes daily from the Telegram group “GBWA Themes.”. But before downloading, they need to be decompressed by ZArchiver (which consumes about 9 seconds), and the error rate is lowered from 15% to 3%. If imported through external storage, it is better that the path is /GBWhatsApp/Themes, and the file permission should be 755 (the probability of loading failure caused by permission errors is lowered from 28% to 1%).
The dynamic theme function supports real-time weather synchronization (API call interval of once every 30 minutes) or step statistics association (Huawei Health Kit data synchronization error ±2 steps). In 2025 trials, the “Dynamic Starry Sky Theme” updated constellation maps hourly based on GPS coordinates (position accuracy ±15 meters) and consumed about 1.2MB of data per day. For the developers, GB WhatsApp offers the theme SDK (average development cycle of 6 hours), custom hexadecimal color codes (#RRGGBBAA transparency), and icon sizes (default 48x48px, maximum supported size 256x256px).
The paid theme marketplace (unit cost: $0.99- $4.99) will be based on a subscription model. Subscribers on a yearly basis will have access to special “holiday effects packs” (such as Christmas animations at a frame rate of 60FPS per second). Brazilian market statistics for 2025 show that the ROI (advertising revenue + paid share) of paid theme users is 44% greater than in free users, with core retention being 39%. It should be noted, however, that 32% of third-party themes suffer from too many requests for permissions (e.g., 17% of them require access to the address book). Use ClassyShark3xposed is recommended to check the list of permission requests before installation.
As far as cross-device syncing is concerned, the “Theme Cloud Backup” feature of GB WhatsApp can compress custom settings (e.g., fonts and bubble transparency) into a 120KB.thmcfg file and upload it onto Google Drive within just 2.1 seconds (the native WhatsApp backup does not include theme data). A user survey conducted in 2025 shows that 89% of regular users change their themes 1 to 3 times a week. Among them, the “automatic theme rotation” function (with a time gap of 1 hour to 7 days) reduces the frequency of operation by 72%. In case of a topic conflict (e.g., two topics updating the same resource file), the system will throw “Resource ID duplicate error”, and the success rate for retrying after forcibly clearing cache has increased to 93%.
Legal Risk Alert: The EU Digital Design Act 2025 requires dynamic themes to highlight the type of data being collected (e.g., location data), and non-compliant theme removal rates are up to 61%. It is recommended that the users first give preference to choosing themes that are certified by GDTA (the certification mark can be seen at the top right-hand corner of the thumbnail), and the crash rate of these themes is only 0.7% (11% for non-certified themes).