In the realm of digital entrepreneurship, App Monetization Platforms (AMPs) have emerged as indispensable tools for generating revenue. These platforms operate by facilitating the integration of advertisements into applications, essentially transforming an app into a virtual billboard. With this commercialization approach, app developers can accrue revenue through various models such as Cost Per Impression (CPI), Cost Per Click (CPC), and Cost Per Install (CPI).

As we delve into the future of AMPs, we need to consider several key factors that will most likely guide their evolution. It is essential to note that these are predictions, underpinned by observable trends, but they are not set in stone.

Firstly, we must consider the rise of in-app purchases as an increasingly popular monetization model. This method, which involves selling goods or services within apps, has demonstrated substantial profitability. In 2020, in-app purchase revenue reached $72.3 billion globally, representing a significant leap from $14.8 billion in 2015. This is not surprising, given the psychological efficacy of the "freemium" model, where users download apps for free but need to make purchases to access premium features or content.

However, there is an intrinsic dichotomy in this approach. On one end, the "freemium" model has been criticized for potentially corroding user experience because of the perception that it holds the best features hostage behind a paywall. On the other end, developers may argue they need to monetize their output to maintain the viability of their enterprise.

Therefore, as we look into the future, it is plausible that AMPs might seek a middle ground, perhaps through the development of more sophisticated microtransaction strategies. These strategies could be designed to stimulate user spending without generating feelings of coercion.

Another fundamental factor is the potential for blockchain technology to revolutionize AMPs. Blockchain, a decentralized digital ledger, could be used to enhance transparency in ad delivery and revenue distribution. Given the criticisms surrounding ad fraud and viewability in the current digital advertising landscape, blockchain could introduce an unprecedented level of trust and accountability.

For instance, a blockchain-based AMP could record every ad view or click in an immutable ledger, making it virtually impossible to manufacture fraudulent impressions or clicks—a common malpractice in today's digital ad ecosystem. Moreover, it could ensure precise and punctual revenue distribution to all stakeholders in the app ecosystem.

However, the adoption of blockchain in AMPs might not be a panacea. It might introduce complexities, such as energy consumption concerns and legal ambiguities surrounding blockchain technology. Therefore, while blockchain holds promise, its assimilation into AMPs would require rigorous regulatory adaptation and infrastructural adjustments.

Finally, the future of AMPs is likely to be influenced by the evolving data privacy landscape. With the advent of stricter data privacy laws like the European Union's General Data Protection Regulation (GDPR) and the California Consumer Privacy Act (CCPA), AMPs are faced with the challenge of reconciling ad personalization with user privacy.

Future AMPs may need to pivot towards privacy-preserving ad delivery mechanisms. This could potentially involve harnessing the power of differential privacy, a system that allows for the collection and sharing of aggregate data about user groups, without disclosing the information of individual users. While this is a complex mathematical system, it provides an optimal trade-off between data utility and privacy preservation.

In conclusion, the future of AMPs is poised to be shaped by a constellation of factors such as the rise of in-app purchases, the potential incorporation of blockchain technology, and looming data privacy regulations. While the interplay of these factors makes precise predictions challenging, it is reasonable to anticipate that future AMPs will be underpinned by a greater emphasis on user experience, transparency, and privacy.