Notes app
Kept vs Apple Notes
Apple Notes is already on your iPhone and will hold a note about anyone. Kept is for the part Notes leaves to you: filing it under the person and bringing it back.
What Apple Notes is
Notes is the notes app in the iPhone User Guide, and it is where most people who keep notes about friends already keep them: one note per person, or one long list.
Apple’s guide lists what it does. You can create and format notes, record and transcribe audio, add photos and video, scan text and documents, organise with tags and Smart Folders, lock notes, and share and collaborate on them.
It is a general-purpose tool and a good one. Nothing in it is about people in particular, which is both why it works for this and why it stops working.
Side by side
Capture
Kept
Hold a button and talk for about nine seconds.
Apple Notes
Type, or record and transcribe audio into a note.
Filing
Kept
Kept works out who you mentioned and files each detail on their page.
Apple Notes
The note stays where you put it. Tags and Smart Folders are yours to set up.
Getting it back
Kept
Pushed to you before it matters, with the detail attached.
Apple Notes
You open the note. Reminding is not something Apple describes for Notes.
Sharing
Kept
None. It is a private record for one person.
Apple Notes
Share and collaborate on notes.
Locking
Kept
App lock with Face ID, Touch ID or fingerprint.
Apple Notes
Lock individual notes.
Platforms
Kept
Android today. iPhone in App Store review.
Apple Notes
Built into the iPhone.
Apple Notes details checked on 3 October 2026 against their own site. Everything on this page about the other product was read off their own site on the date shown. We don’t list prices, because they change and a stale one would be misleading.
The difference that matters
A note in Notes is exactly as useful as your memory of having written it. That is fine for a shopping list, which you open in the shop. It fails for "her interview is Thursday", because nothing about Thursday morning sends you to the note.
That is the gap between remembering a thing and remembering to look it up. Deciding in advance when and where you will do something has a medium-to-large effect on whether you do it, and a detail that arrives on the right morning is that plan made for you. A note in a folder is the intention without the plan.
The other difference is upkeep. One note per person works for five people. At twenty you are maintaining a filing system, and a conversation that mentioned three of them has to be written three times.
Where Apple Notes beats Kept
It is already on your phone, and it does a great deal Kept does not: documents, scans, drawings, shared notes. If you keep a note per friend and you do open it before you see them, you have already solved this and you don’t need another app.
Don’t pick Kept if: Your notes about people are already in Notes and you really do reread them. Also if you are on an iPhone today: Kept is Android only until App Store review finishes.
Why we built it this way
The design choices above aren’t preferences. Each one traces to published research, and each of these has its own page with the finding, the method and what it doesn’t show.
Deciding when and where you’ll do something roughly doubles the odds you do it
Gollwitzer & Sheeran (2006) · Implementation intentions and goal achievement
Recording everything produced huge archives and nothing useful
Sellen & Whittaker (2010) · Communications of the ACM
Reviewing a partial capture cues recall months later
Hodges, Berry, Wood et al. · SenseCam autobiographical memory research
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If Kept is the one you want
Nine seconds of talking after you see someone. Kept files it against the right person and hands it back the day before it matters. Free for 14 days, no card needed.