The evolution of the digital age has revolutionized many aspects of life, including education. One significant development is the emergence of online Quran tutors, effectively creating a novel industry. This industry has radically transformed the landscape of Islamic education, affording learners the opportunity to study the Quran from the comfort of their homes. The growth, opportunities, and challenges of this industry offer an intriguing panorama worthy of exploration.

In the digital sphere, online Quran tutors provide learners with a comprehensive understanding of Islamic teachings, including the interpretation and application of the Quran. This industry, an amalgamation of technology and religion, is driven by the increasing demand for flexible learning modalities, particularly amidst the restrictions imposed by the ongoing global pandemic.

Online Quran tutors typically cater to a broad demographic ranging from children to adults, with diverse services like Quran recitation, Tajweed rules, Tafseer, and Hadith studies. A key driver of this burgeoning industry is the ease of access and flexibility offered by digital platforms. Learners can schedule classes at their convenience, bypassing geographical limitations and logistical inconveniences associated with traditional Quran schools or mosques.

However, the rise of the online Quran tutor industry is not without its challenges. The most prominent of these challenges is the digital divide, a term relating to disparities in access to, use of, or knowledge of, information and communication technologies (ICT). Those without reliable internet access, particularly in developing countries, are inadvertently excluded from this digital revolution in Islamic education.

Despite this, the industry has seen exponential growth. According to a report by Technavio, the global online tutoring market, which includes all subjects, is expected to grow by $132.21 billion between 2020 to 2024, a clear indication of the potential size of the online Quran tutor industry.

The evolution of technology has also led to the development of sophisticated learning management platforms, which have become integral to the online Quran tutor industry. Such platforms offer features like interactive whiteboards, real-time audio-video communication, and recording facilities. However, each technology comes with its trade-offs. For instance, synchronous online learning platforms, which allow real-time interaction between tutors and students, require reliable and high-speed internet connection, a luxury not available to all prospective learners.

On the other hand, asynchronous platforms, which provide pre-recorded lessons, compromise on the immediacy of feedback and personalization of learning experiences. Therefore, the choice of technology depends heavily on the specific needs and circumstances of the learners.

The online Quran tutor industry also grapples with issues of tutor quality and standardization. In traditional settings, the credentials and qualifications of Quran teachers are often easier to ascertain. In contrast, the digital sphere, despite its vast potential, remains a fragmented and unregulated space with varied tutor qualifications. This highlights the need for industry standards and certification programs to ensure tutor competency and uphold the integrity of the industry.

In conclusion, the online Quran tutor industry, while nascent, is quickly becoming an indispensable sector within the broader framework of Islamic education. The industry's inherent flexibility and accessibility, combined with the growing demand for online learning, signal a promising future. However, inherent challenges associated with digital proliferation, technology choice, and standardization must be addressed to ensure its sustainability and efficacy.

To navigate these complexities, it is crucial for stakeholders to adopt a nuanced approach, one that considers the unique socio-economic, cultural, and technological contexts of learners. It is also imperative for the industry to foster collaboration with tech companies, educational institutions, and policymakers to harness the full potential of the digital revolution in Islamic education. As we delve deeper into the 21st century, the online Quran tutor industry stands as a testament to the potent intersection of tradition and technology.