Comparison

Simple Headache Log vs NightRing

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Simple Headache Log

Easily log daily headaches by selecting pain level, weather, and potential causes. Analyze trends and identify triggers through simple charts and rankings. Record past data and manage custom pain factors.

Highlights
  • Easy pain logging with options
  • Analyze pain trends by weather and cause
  • Calendar view of daily pain levels
  • Add past headache data
  • Customizable pain causes and medicines
  • No login required
Features
Read full description

An app that allows you to record your daily headaches. Recommended for migraine sufferers and those who want to record their daily headaches and analyze the causes. Registration is very easy! Just select the pain level, weather, cause of pain, medicines you have taken from the options and press the save button. The simple operation allows for stress-free use. In case you forget to record the data, you can add past data from the "History" screen. In the "Analysis" screen, you can check the trend of pain by weather and the causes of pain in a ranking format, which is useful for analyzing the causes of headaches. ● Features ・Easy to use, just select from the options and register ("Cause of pain” and “Medicine” need to be added or deleted as needed). ・No need to log in. ・The calendar allows you to check the your daily pain level at a glance. ●Disclaimer This App is not medical or treatment advice. It is neither professional diagnosis, opinion or service – and may not be treated as such by the user. We strongly recommend that you consult your own physician or another available health professional regarding any diagnosis, findings or interpretation. ● Privacy Policy https://apps.seeds-digital.com/privacy-policy/ ● Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

NightRing

Features
Read full description

"When did I fall asleep last night?" — NightDial answers the moment you open it. It reads the sleep data your Apple Watch or iPhone already saves to Health, and draws each night as an arc on a 24-hour dial. Zero input required. Just sleep like you always do. ■ Sleep Rings Sleep that crosses midnight stays whole on a circle. Bedtime to wake-up, one arc, one glance. ■ A calendar of rings One ring per day, a month at a time. Aligned arcs mean a steady rhythm — the messy nights stand out instantly. ■ Sleep Score Duration, rhythm, continuity, and timing — scored every morning, with the full breakdown visible. You'll know exactly what to fix. ■ Today's Note One piece of advice a day, picked for your recent sleep pattern from thousands of pre-written insights. ■ Night Vitals (Apple Watch) Heart rate, respiratory rate, blood oxygen and more, shown alongside each night. ■ Social Jet Lag See exactly how far your weekends drift from your weekdays — in minutes. Now you know why Mondays hurt. ■ Privacy Your sleep data is processed entirely on your device and never leaves it. ―――――――――― NightDial Plus (subscription) ―――――――――― The free version fully covers your last 14 days, plus today's score and advice. With Plus you get: - Your entire history, as far back as it goes - Trend charts: bedtime, wake time, score, nightly heart rate - Detailed weekday vs. weekend analysis - No ads Pricing: $0.99/month, $6.99/year (with 7-day free trial), or $16.99 lifetime. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. Manage or cancel anytime in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://kakovail.info/privacy/ * Requires sleep data in Apple Health (from Apple Watch, or iPhone with a sleep schedule). * NightDial shows rhythm insights only and does not provide medical evaluation or advice.

Screenshots

Simple Headache Log4 screens
NightRing4 screens

Verdict

The call

The clearest difference is update cadence: Simple Headache Log at every 3 days against NightRing's every 3 weeks. Simple Headache Log also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Simple Headache Log sells 2 in-app purchases, starting at $1.49 per month and NightRing sells 6 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Simple Headache Log ships an update every 3 days, NightRing every 3 weeks. The most recent releases landed on October 22, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
Simple Headache Log versus NightRing: the parameters behind the verdict, then further details
ParameterSimple Headache LogNightRing
PriceFreeFree
Rating1.5 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 days — betterEvery 3 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size56 MB5 MB
Age rating12+4+
DeveloperNAOYA ONOHiroyuki Kako

In-app purchases

2 purchases

Simple Headache Log

Subscriptions1
  • Premium Plan$1.491 Month
One-time1
  • Support Developer$0.99
6 purchases

NightRing

Subscriptions2
  • Plus Monthly$0.991 Month
  • Plus Yearly7 Days trial$6.991 Year
One-time4
  • Coffee$2.99
  • Good Burger$9.99
  • Plus Lifetime$14.99
Show 1 more
  • Dinner$29.99

Questions

Is Simple Headache Log free?
Simple Headache Log is free to download, with in-app purchases available.
Is NightRing free?
NightRing is free to download, with in-app purchases available.
Do Simple Headache Log or NightRing have ads?
Both Simple Headache Log and NightRing show ads.
Which is updated more often, Simple Headache Log or NightRing?
Simple Headache Log ships an update every 3 days, and NightRing every 3 weeks. Most recently, Simple Headache Log was updated on October 22, 2026 and NightRing on October 28, 2026.

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