When choosing the right tempered film for your iPad, you can consider the following factors:

1. iPad model: Make sure the tempered film you choose is an exact match for your iPad model, as different iPad models may have different screen sizes and shapes.

2. Material quality: Choose a high quality tempered glass film to ensure screen protection and touch sensitivity. Quality tempered film usually has HD transparency, scratch resistance and fingerprint protection.

3. Functional features: Choose the right functional features according to your personal needs, such as HD film, anti-peep film, anti-blue light film, etc. Different features of tempered film can provide different screen protection and usage experience.

4. Installation: Consider the installation method of the tempered film. Some tempered films are designed to be fully adhered with self-adhesive, while others need to be manually attached. Choose the installation method that suits your operating habits.

5. Brand reputation: Choosing a well-known brand of tempered film can improve product quality and after-sales protection. Read user reviews and testimonials to learn about the performance and reputation of different brands of tempered film.

6. Price and cost-effective: On the basis of the above factors, choose a moderately priced and cost-effective tempered film, do not have to pursue too high a price, but do not sacrifice the quality and functionality.

Taking the above factors into consideration, you can choose the right tempered film for your iPad to provide effective screen protection and good usage experience. If you have special needs, such as anti-peeping, anti-blue light and other features, you can choose the appropriate type of tempered film according to your personal preference.