You can use iWall Lite to try out most of the features of iWall Pro and iWall Max with up to 30 messages per day, then you can buy a license to enable more features and remove the daily messages limit.
Use Excel filters to isolate only S1 and W1 words. These are the most critical building blocks for any beginner.
Teachers can use Excel to cross-reference the list against their lesson plans, ensuring they aren't overwhelming students with "low-frequency" words too early. Practical Learning Strategy Longman Communication 3000 Words In Excel
The top 1,000, 2,000, and 3,000 words in Spoken English . Use Excel filters to isolate only S1 and W1 words