ResonanceOne
is now on iPhone
Earth's 7.83 Hz frequency, the Kp index, and solar activity, distilled into one Activity Index. Built on Android, tested by 900+ people, and finally here for iPhone.
Get it on Google PlayFree, with no ads. Requires iOS 16.4 or later.
Android screens shown. iPhone runs the same design.
Free forever
Core features cost $0.
Your data stays yours
We never sell it.
No ads, no hype
Awareness, not alarm.
The journey
One Android build.
Now on both platforms.
900+
Installs on Android
People checking the Activity Index every day since the very first build went out.
v1.4
Shipped so far
Widgets, alert thresholds, the interference guard, and the community map. Almost all of it came out of what people asked for.
2
Platforms, as of today
The same Activity Index and the same calm design, now on iPhone as well as Android.
I built ResonanceOne to make something invisible easier to notice. Earth's field shifts, space weather comes and goes, and a lot of us feel some of it without ever seeing the numbers behind it.
The app gives you the reading in plain language, and practical ways to work with a high day instead of bracing against it. That's the whole idea. More awareness, less guessing, and something you can actually do with what you notice.
It started on Android. Today it reaches iPhone too, which means a lot more people can use it. That's the part I'm happy about.
Community Funded
Free for everyone.
Kept alive by supporters.
No ads, no paywalls, no investors, and nothing sold about you. That only works because a handful of people support it each month.
~$100
Per month to run
Servers, data feeds, and the developer accounts on both stores.
$0
What it costs you
Every core feature, free forever. No ads, no trial, no paywall.
1
Person building it
No team, no investors, no growth targets to hit.
Supporter
Monthly, yearly, or lifetime. Whatever feels right.
- Unlimited community posting, instead of the free 10 messages a day
- The full podcast archive, including the weekly deep dives
- A supporter badge on your profile
- A direct line to me for feature requests
No VC, no ads, no backup plan. Supporters are what keep this alive and free for everyone else. If that's not for you right now, that's completely fine. Use the app anyway.
On iPhone
The same Activity Index,
now native to iOS
One Activity Index
A single 0-100 score blending Schumann Resonance (70%), the Kp index (25%), and solar activity (5%). No raw charts to decode.
Mood correlation
Log how you feel and watch your patterns emerge against Earth's electromagnetic field over weeks and months.
Solar event alerts
Gentle push notifications when geomagnetic activity spikes, so you notice the shift instead of just feeling off.
How it compares
Not just a reading.
Something to do with it.
Most Schumann Resonance apps on iPhone are monitors: they hand you a spectrogram and leave you to interpret it. ResonanceOne is built around what the day actually means and what helps on a rough one, with 30+ wellness practices next to the reading. It's free, with no ads and nothing dressed up as a limited-time upgrade. Here is the honest version of the difference.
| ResonanceOne | Other Schumann apps | |
|---|---|---|
| Price | Free, no ads, every reading and practice included | Free or a few dollars up front, then upgrades inside |
| What you read | One 0-100 Activity Index | Spectrograms and raw numbers |
| Getting started | Open it and the day is already summed up in plain language | Learn to read a spectrogram first |
| False spikes | Filtered by the interference guard | The raw feed, local thunderstorms and all |
| What to do about it | 30+ wellness practices for the day you're having | Readings, and it's on you from there |
Compared against the other Schumann Resonance apps on the App Store in July 2026. They are good apps built by people who care, and a couple of them have been at this far longer than I have. This is about which one fits you, not about who loses.
What's next
Day one, not the finish line
An iPad layout
ResonanceOne runs on iPad today at iPhone size. A layout built for the larger screen is next in line.
Whatever you ask for
Feature parity is done: widgets, alerts, forecast, and the community are all on iPhone. What ships next is whatever people actually ask for.
Found something off on your iPhone? Tell me and it goes on the list. Get in touch
Questions
iOS, answered
Is ResonanceOne available on iPhone?
Yes. ResonanceOne is live on the App Store as of July 24, 2026. It's a free download, it requires iOS 16.4 or later, and it carries the same 0-100 Activity Index that the Android app has had since launch.
Is the iOS app free?
Yes. Like the Android app, ResonanceOne for iPhone is free with no ads. Core features (the Activity Index, mood tracking, wellness practices, and educational content) are free forever. An optional supporter subscription unlocks unlimited community posting and the full audio archive.
Is there a free alternative to the paid Schumann Resonance apps on iPhone?
Yes. ResonanceOne is free with no ads. Some Schumann Resonance apps on the App Store charge a couple of dollars up front, and most of the free ones keep features behind an in-app upgrade. ResonanceOne gives you one 0-100 Activity Index in plain language instead of a spectrogram to interpret yourself, and every reading, forecast, and wellness practice is included at no cost. There is an optional Supporter subscription, but it only adds unlimited community posting and the full podcast archive.
Which iPhones does ResonanceOne support?
Any iPhone running iOS 16.4 or later. That covers the iPhone 8 and newer, so if your phone still gets iOS updates you can install it.
Does ResonanceOne work on iPad?
It runs on iPad today at iPhone size, so everything works but the layout doesn't yet use the extra screen. A proper iPad layout is next on the list, the same way the Android app grew tablet support after its phone release.
Does the iPhone version have everything the Android app has?
Yes. The Activity Index, home screen widgets, mood logging, history and forecast, alerts, the Learn library, and the community are all on iPhone. The one gap is a native iPad layout, which is next on the list.
I signed up for the iOS waitlist. What now?
Nothing left to wait for: the app is out, so go ahead and download it from the App Store. The list now only gets occasional release notes, and you can unsubscribe whenever you like.
Will my data sync between iPhone and Android?
Yes, as long as you're signed in on both. Your mood history and settings follow your account, so switching phones or using both doesn't cost you your patterns.
What makes ResonanceOne different from other space weather apps?
ResonanceOne is the only app that combines Schumann Resonance (70%), the Kp geomagnetic index (25%), and solar flare activity (5%) into a single 0-100 Activity Index. Instead of raw charts, you get one daily reading you can correlate with your own mood over time. No medical claims, no fear-mongering.
Start tuning in
One number, once a day, for how charged Earth's field is. Free on iPhone and Android.
Not ready to install? Get the occasional update instead.
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