In the message management feature, the “scheduled messages” feature that is not seen in the original WhatsApp has been introduced by the reverse engineering option of gbwhatsapp. The feature assists a user in sending the message with an accuracy within the next 30 days at ±1.5 seconds accuracy. Third-party test results in 2025 show that the trigger success ratio of this feature on Samsung Galaxy S24 Ultra was 98.5%, but the storage of message queue was in plaintext (the official end-to-end encrypted backup wasn’t overwritten), and the likelihood of data leakage grew to 0.9 times per thousand users per month. One traditional example is Indian e-commerce sellers community in 2024. According to malicious code floating around timed message cache, 127,000 orders were exposed and 2.3 million US dollar black market trading volume.
Timing mechanism module of gbwhatsapp has dependency on modified AlarmManager API at implementation technology level. On the Mediatek Dimensity 9300 processor, the median trigger delay is 1.2 seconds (0.3 seconds for the native JobScheduler solution), and the crash rate becomes 18% when there are over 5 simultaneous tasks. A Technical University of Berlin 2025 report found that its SQLite database write frequency for timed messages was 4.7 per second (the feature is not available in the default application), which boosted the wear rate of memory chips by 23% and reduced the estimated lifespan of 512GB UFS 4.0 devices from 5 years to 3.8 years. Analysis of user behavior shows that business users utilize this feature averagely 4.7 times a day (among 62% of the population of users), and the rate of missending messages due to time zone synchronization errors is 3.4% (0.1% for official business instruments).
Security threats, gbwhatsapp timing message meta data (the default time, recipient) being plain text stored in the/sdcard/gbwhatsapp/Scheduled directory, kaspersky lab statistics show in 2025, The likelihood of hackers stealing such information using ADB debugging permissions is 34% (There is no directory like this one for the official version). During the 2024 Brazilian financial attack of fraud, the attackers intercepted the content scheduled to be transmitted (e.g., changed transfer value), having a 7.3% success rate during 18,000 operations with an average of losing 48 US dollars on each attempt. Also, its “secret sending status” function has improved the IP exposing rate of an arranged message sender to 12% (official end-to-end encryption hides the IP), and the hit ratio of man-in-the-middle attacks has increased by 4.2 times.
Compliance costs indicate that the number of cases in which enterprise users violate Article 5 of the GDPR, the “purpose Limitation principle”, by utilizing the timed feature of gbwhatsapp, will increase by 47% in 2025. The highest individual fine issued by EU regulatory authorities can be as much as 2.3% of an enterprise’s annual turnover (with an average penalty of 65,000 euros). Performance tests show that sending more than 10 delayed messages simultaneously will increase the CPU loading speed of mid-end devices by 38%, from 15%, resulting in a reduction of Huawei Mate 60 Pro’s battery life by 1.9 hours per day. Market alternative solution analysis shows that the scheduled message interface of the official WhatsApp Business API costs $0.001 per message (success rate: 99.9%), whereas the undelivered rate of gbwhatsapp because of protocol vulnerabilities is 6.7%, and the stealth cost (customer complaints + re-sending) is 5.8 times that of the official service.
User operation data show that the accidental touch rate on gbwhatsapp scheduled messages editing interface can be as high as 19% (the official tool is only 4%), especially on phones with screens smaller than 6.7 inches, the deviation of button hot zone is ±11 pixels. 2025 third-party plugin market metrics indicate that “timed calibration tools” (e.g., Schedule Fixer Pro) account for users shelling out an average of $9.3 per year but only have a 29% probability of issuing a Google Play Protect warning. Technical reports find that its time zone database update for its timing module time base is up to 72 hours behind the published standard. The chance of business users’ missending a message in various time zones has increased to 0.7 times per month, resulting in customer churn rate rising by 14% (the official error rate of the solution is 0.02%).