Doctor's appointment? NerdCycle builds a PDF cycle report and a CSV export right on your iPhone — cycle lengths, symptoms, temperatures. Nothing uploaded anywhere.
apps.apple.com/app/id676198...
#indiedev #iosdev
apps.apple.com/app/id676198...
#indiedev #iosdev
September 30, 2026 at 3:03 PM
Doctor's appointment? NerdCycle builds a PDF cycle report and a CSV export right on your iPhone — cycle lengths, symptoms, temperatures. Nothing uploaded anywhere.
apps.apple.com/app/id676198...
#indiedev #iosdev
apps.apple.com/app/id676198...
#indiedev #iosdev
NerdCycle 1.7: sleep, water, exercise and temperature from Apple Health now fill in past logs — and stay on your iPhone, no longer synced to iCloud.
apps.apple.com/app/id676198...
#indiedev #swift
apps.apple.com/app/id676198...
#indiedev #swift
October 2, 2026 at 3:03 PM
NerdCycle 1.7: sleep, water, exercise and temperature from Apple Health now fill in past logs — and stay on your iPhone, no longer synced to iCloud.
apps.apple.com/app/id676198...
#indiedev #swift
apps.apple.com/app/id676198...
#indiedev #swift
App info: vladoivankovic.com/NerdCycle/in...
NerdCycle: Period Tracker — the cycle tracker built for two
NerdCycle is the private period tracker for couples — cycle, fertility and partner mode in 9 languages. PCOS, TTC, pregnancy and postpartum. Your data stays in your own iCloud.
vladoivankovic.com
September 30, 2026 at 7:05 PM
App info: vladoivankovic.com/NerdCycle/in...
NerdCycle 1.7.1 — A hair wider than the screen
1.7.1 went to TestFlight as build 97 and shipped as build 100. What testing found after every test passed — including a calendar header 0.0000000000001 points too wide.
#Apple #IOS #NerdCycle
1.7.1 went to TestFlight as build 97 and shipped as build 100. What testing found after every test passed — including a calendar header 0.0000000000001 points too wide.
#Apple #IOS #NerdCycle
NerdCycle 1.7.1 — A hair wider than the screen - Vlado Ivanković
1.7.1 went to TestFlight as build 97. It reached the App Store as build 100. Between those two numbers are two days with three phones, a doctor's report printed
vladoivankovic.com
September 29, 2026 at 12:56 PM
NerdCycle 1.7.1 — A hair wider than the screen
1.7.1 went to TestFlight as build 97 and shipped as build 100. What testing found after every test passed — including a calendar header 0.0000000000001 points too wide.
#Apple #IOS #NerdCycle
1.7.1 went to TestFlight as build 97 and shipped as build 100. What testing found after every test passed — including a calendar header 0.0000000000001 points too wide.
#Apple #IOS #NerdCycle
New in NerdCycle 1.7: partner notes go both ways. Either of you can send one of three fixed notes, like "Could use a hug" — plus "Thinking of you both" during pregnancy and postpartum.
apps.apple.com/app/id676198...
#indiedev #iosdev
apps.apple.com/app/id676198...
#indiedev #iosdev
September 28, 2026 at 3:01 PM
New in NerdCycle 1.7: partner notes go both ways. Either of you can send one of three fixed notes, like "Could use a hug" — plus "Thinking of you both" during pregnancy and postpartum.
apps.apple.com/app/id676198...
#indiedev #iosdev
apps.apple.com/app/id676198...
#indiedev #iosdev
Irregular cycles break most prediction models — they show a confident date that's simply wrong. NerdCycle widens the window and labels it low confidence instead. Less pretty, more honest.
apps.apple.com/app/id676198...
#PCOS #indiedev
apps.apple.com/app/id676198...
#PCOS #indiedev
September 24, 2026 at 3:02 PM
Irregular cycles break most prediction models — they show a confident date that's simply wrong. NerdCycle widens the window and labels it low confidence instead. Less pretty, more honest.
apps.apple.com/app/id676198...
#PCOS #indiedev
apps.apple.com/app/id676198...
#PCOS #indiedev
NerdCycle has no backend. No account, no analytics SDK, no server. Cycle data stays on device and in your own iCloud — partner sharing goes straight between two iCloud accounts.
apps.apple.com/app/id676198...
#indiedev #swift
apps.apple.com/app/id676198...
#indiedev #swift
September 20, 2026 at 3:01 PM
NerdCycle has no backend. No account, no analytics SDK, no server. Cycle data stays on device and in your own iCloud — partner sharing goes straight between two iCloud accounts.
apps.apple.com/app/id676198...
#indiedev #swift
apps.apple.com/app/id676198...
#indiedev #swift
Trying to conceive turns a tracker into a timing tool. NerdCycle puts fertile-window odds, the BBT shift and mucus on one screen — with a confidence label, because a prediction without one is a guess.
apps.apple.com/app/id676198...
#TTC #indiedev
apps.apple.com/app/id676198...
#TTC #indiedev
September 22, 2026 at 3:02 PM
Trying to conceive turns a tracker into a timing tool. NerdCycle puts fertile-window odds, the BBT shift and mucus on one screen — with a confidence label, because a prediction without one is a guess.
apps.apple.com/app/id676198...
#TTC #indiedev
apps.apple.com/app/id676198...
#TTC #indiedev
Shipped my first app today 🦉
NerdCycle — a private cycle tracker built for two. Periods, fertility, pregnancy & postpartum, and (if she shares) the partner stays in the loop.
apps.apple.com/app/id676198...
#iOS #femtech #Periods
NerdCycle — a private cycle tracker built for two. Periods, fertility, pregnancy & postpartum, and (if she shares) the partner stays in the loop.
apps.apple.com/app/id676198...
#iOS #femtech #Periods
NerdCycle App - App Store
Download NerdCycle by VLADO IVANKOVIC on the App Store. See screenshots, ratings and reviews, user tips, and more apps like NerdCycle.
apps.apple.com
June 19, 2026 at 1:30 PM
Shipped my first app today 🦉
NerdCycle — a private cycle tracker built for two. Periods, fertility, pregnancy & postpartum, and (if she shares) the partner stays in the loop.
apps.apple.com/app/id676198...
#iOS #femtech #Periods
NerdCycle — a private cycle tracker built for two. Periods, fertility, pregnancy & postpartum, and (if she shares) the partner stays in the loop.
apps.apple.com/app/id676198...
#iOS #femtech #Periods
NerdCycle 1.6 — The link talks back
NerdCycle 1.6 — The link talks back - Vlado Ivanković
NerdCycle has always been built for two, but the two have never been equal. She tracks; he follows. Her app publishes her cycle to a private iCloud share, his a
vladoivankovic.com
September 5, 2026 at 7:46 AM
NerdCycle 1.6 — The link talks back
NerdCycle: The Private Cycle Tracker Built for Two
NerdCycle: The Private Cycle Tracker Built for Two - Vlado Ivanković
Most cycle trackers are built for one person and a server somewhere in the cloud. NerdCycle takes a different approach. It is a calm, private menstrual and fert
vladoivankovic.com
June 29, 2026 at 2:41 PM
NerdCycle: The Private Cycle Tracker Built for Two
NerdCycle 1.5 — Your thermometer does the typing
NerdCycle 1.5 — Your thermometer does the typing - Vlado Ivanković
The last three updates were small and sharp: a smarter cycle length, a more reliable partner link, and a period button people could actually find. This one is b
vladoivankovic.com
August 26, 2026 at 8:11 AM
NerdCycle 1.5 — Your thermometer does the typing
Most period trackers assume one user. NerdCycle has a partner mode: your partner sees the phase and a short daily read — never your log or notes. Shared through your own iCloud.
apps.apple.com/app/id676198...
#indiedev #iosdev
apps.apple.com/app/id676198...
#indiedev #iosdev
September 18, 2026 at 3:00 PM
Most period trackers assume one user. NerdCycle has a partner mode: your partner sees the phase and a short daily read — never your log or notes. Shared through your own iCloud.
apps.apple.com/app/id676198...
#indiedev #iosdev
apps.apple.com/app/id676198...
#indiedev #iosdev
NerdCycle 1.7 — What no test caught
Her calendar and his disagreed by a day. A photo of a Croatian home screen came back half in English. And I have been advertising Watch complications no build ever contained.
#Apple #IOS #NerdCycle
Her calendar and his disagreed by a day. A photo of a Croatian home screen came back half in English. And I have been advertising Watch complications no build ever contained.
#Apple #IOS #NerdCycle
NerdCycle 1.7 — What no test caught - Vlado Ivanković
Two phones on the desk, the same cycle on both. Her calendar painted the first and second of September as period days. His partner calendar, reading the record
vladoivankovic.com
September 21, 2026 at 11:41 PM
NerdCycle 1.7 — What no test caught
Her calendar and his disagreed by a day. A photo of a Croatian home screen came back half in English. And I have been advertising Watch complications no build ever contained.
#Apple #IOS #NerdCycle
Her calendar and his disagreed by a day. A photo of a Croatian home screen came back half in English. And I have been advertising Watch complications no build ever contained.
#Apple #IOS #NerdCycle
I'm sorry, what was that last bit?
December 24, 2023 at 11:47 PM
I'm sorry, what was that last bit?
NerdCycle 1.4.6 — One message, one release
NerdCycle 1.4.6 — One message, one release - Vlado Ivanković
The last release notes ended with a small request: if something in the app feels wrong but seems too minor to mention, please mention it anyway. Someone did. He
vladoivankovic.com
July 30, 2026 at 5:16 PM
NerdCycle 1.4.6 — One message, one release
NerdCycle 1.4.5 — Partner linking you can trust
NerdCycle 1.4.5 — Partner linking you can trust - Vlado Ivanković
NerdCycle 1.4.5 — Partner linking you can trust
Most of what shipped in this release has something in common: it fixes things that were failing quietly. An
vladoivankovic.com
July 23, 2026 at 8:36 AM
NerdCycle 1.4.5 — Partner linking you can trust
NerdCycle 1.4.4 — Smarter, and in your language
NerdCycle 1.4.4 — Smarter, and in your language - Vlado Ivanković
This is the first in what will become a regular series of release notes here on the blog. Rather than let each App Store update quietly disappear behind a
vladoivankovic.com
July 15, 2026 at 8:36 AM
NerdCycle 1.4.4 — Smarter, and in your language
You did say "silly," and I like my silly little nerdcycle. It doesn't get much use now that I don't commute. I should probably see if I can sell it (gonna be a hard sell now that ebikes are everywhere)
December 25, 2023 at 12:34 AM
You did say "silly," and I like my silly little nerdcycle. It doesn't get much use now that I don't commute. I should probably see if I can sell it (gonna be a hard sell now that ebikes are everywhere)
Track your #period, fertility and daily wellness — and share it with your #partner. Your data stays on your iPhone and your own #iCloud #producthunt www.producthunt.com/products/ner...
NerdCycle: The cycle tracker built for two. | Product Hunt
Track your period, fertility and daily wellness — and share it with your partner. Your data stays on your iPhone and your own iCloud.
www.producthunt.com
July 6, 2026 at 11:49 AM
Track your #period, fertility and daily wellness — and share it with your #partner. Your data stays on your iPhone and your own #iCloud #producthunt www.producthunt.com/products/ner...