When vs birthdAI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
When
Never forget important dates again with this simple event tracking tool. Easily add and customize upcoming events like birthdays and anniversaries to see them all at a glance. Stay organized and ensure you never miss a moment that matters.
- Track birthdays and anniversaries
- Countdown to concerts and vacations
- Simple event adding
- Customizable with emojis
- Clear event overview
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Always forget to send that birthday card on time? Me too. With When, you'll never forget an important date again. Keep track of all the moments that matter to you, from birthdays and anniversaries to concerts, vacations, and everything in between. Designed with simplicity in mind, When makes it easy to see all your upcoming events at a glance. Quickly add new events, customize with a lil emoji, and voila! You'll never miss a thing.
birthdAI
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You already knew it was their birthday. The app told you. Now you're staring at an empty chat box, trying not to type "Happy birthday!!" for the ninth year running. birthdAI writes that second part. It imports the birthdays already in your contacts and calendars, reminds you as far ahead as you like, then drafts a message for that specific person — who they are to you, your tone, their language. Then it opens your preferred messaging app with the text ready. You press send. Always you. It never sends anything on your behalf. NO ADS. NOT ONE. No banners, no video to sit through to find out whose birthday it is. UNLIMITED PEOPLE, FREE Every reminder and every template message, for everyone in your life, permanently. No cap at five. Plus adds AI-written messages — your first three people are on us. WRITTEN FOR THE PERSON Ten relationships, four tones, three lengths, six languages. Add notes — inside jokes, how the two of you actually talk — and the draft stops sounding like a greeting card. Don't like it? Try another. REMINDERS THAT FIRE Two weeks ahead to same-day, any combination. Scheduled by your phone, so they work with no signal. NOTHING LEAVES YOUR PHONE No account, no sign-up, no tracking. Your people, their dates, your notes and every message you've sent stay here. Only a first name and your tone choices go out, and only when you ask for a draft.
Screenshots
Verdict
When and birthdAI are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | When | birthdAI |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 3 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Clark Dinnison | Juan Camilo Echeverry Struss |
In-app purchases
When
No in-app purchases
birthdAI
No in-app purchases









