When training staff in the use of AI it is advisable to generally stick to core apps. These provide the most powerful and versatile tools and allow development of essential prompting skills and understanding of chat based AI. These are essential foundations.
Only add in other apps if they add any other additional value over the core tools. Too many apps confuse staff and switch them off as opposed to on. Its better to have in depth knowledge of one or two tools as opposed to little knowledge of a broad range.
If you consider introducing other AI apps to staff (and there are literally thousands, which will die away once the market consolidates) consider these 3 things:
Data Protection: Is the company GDPR compliant or working towards this or other data privacy standards?
Price: Many are free now or offer a freemium model, but, will they always be free?
Are they worth paying for when most are a pretty, less flexible skin over the top of ChatGPT. What do they do that core applications cannot?
Access to your content: Some create great content but there is no way of exporting it so that it becomes yours. What if your staff move school or your school no longer invests in the product? Your content is gone! Make sure you can export the content so the resources stay yours.
By introducing a range of AI apps you risk diluting the development of skills and expertise and make it harder to scale and embed training across an organisation.