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A friend asked me about his mum. She is in her late seventies, on her phone every day for messaging the family, and is starting to bump into the questions of which AI app she should bother with. He had asked her, she had asked him, neither of them was clear, and the question had landed on me.

For me, the answer would be Claude. For his mum, almost certainly not. The honest answer comes down to two things she has already chosen without thinking about AI. Which phone she has, and which email she actually uses.

Two boring questions first

What phone does she have? And what email does she use?

If she is on Android and her email is Gmail (the common case for that generation in Australia), the answer is Gemini. Not because Gemini is the best AI in the world. The reason is friction. She is already in Google's ecosystem, and Gemini is the path of least resistance. Press and hold the home button on most newer Androids and it is already there. Open Gmail and a "Help me write" button is built into the compose window. She does not have to install anything new, learn another login, or remember another website.

If she is on an iPhone but still uses Gmail, the answer is mostly the same. Install the Gemini app for now, since the email integration is the bit that actually saves her time. ChatGPT's iOS app is also a fine answer if she would rather have a separate place for AI than have it threaded through her email. The ChatGPT app is the most polished mobile AI experience in 2026, and its voice mode is uncannily close to talking to a person.

If she is on an iPhone and barely touches Gmail (lives in iCloud, uses Apple Mail), pick ChatGPT. The free tier is plenty for now.

Three things to add, whichever you pick

Stay on the free tier for at least three months. Both have generous free plans. Do not pay for something she might use twice and forget about. The paid tier becomes worth it only when she is hitting the limits of the free one, and you will know that because she will tell you she has hit a limit.

Turn voice mode on the first time you sit down with her. Typing on a phone is the part most older users hate. Speaking to it is the unlock. Both Gemini and ChatGPT have very good voice modes in 2026. Either is a step change from typing.

Check the privacy setting that controls whether her conversations are used to train the model. Both let you turn it off. Both default to on for free users. Worth a tap before she starts asking it about medical worries or family money. The setting is in the app's account or privacy menu, usually called something like "Improve the model for everyone" or "Use my data for training".

What I would not do

Do not install three apps and tell her to "try them all and see which she likes". She will uninstall all three. Pick one, set it up with her, sit through her first ten minutes of using it, and answer her questions in person. The hard part is not the AI. It is the first hour.

The thing the question is really about

The question your friend is asking, when he asks which AI app to install on his mum's phone, is not really "which AI is best". It is "how do I keep her connected to the things that matter when the technology around her is moving faster than she is". The thing that helps her most is not the choice of app. It is sitting with her, on her phone, with one tool, and not moving until she can use it without you. Not three apps. Not a list. Not a forwarded link to a comparison article. One tool, set up together, voice mode on, the privacy setting flipped, and an hour of her actually using it while you are in the room. That hour is the gift. The app is incidental.

As of May 2026. Tool features and pricing change quickly; if you are reading this much later, check the current state before relying on the specifics.