Comparison

Self vs Peak Flow Log

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

Head to head
About

Self

Features
Read full description

Self-Care Space is NOT about forcing positivity or fixing yourself. It’s about building trust with yourself, practicing self care at your own pace, and gently strengthening a sense of self worth through small, supportive moments. What is Lolo? Lolo is a visual guide for your inner, supportive voice — the part of you that stays kind, steady, and present through everyday ups and downs. In the app, Lolo appears through thoughtfully written affirmations that offer gentle guidance without judgment or pressure. You’ll receive affirmations as notifications throughout the day, so whenever you reach for your phone, you’re met with a moment of support rather than noise. Over time, these affirmations help you build a closer relationship with your inner voice — one that listens, encourages, and responds with care when you need it most. Affirmations for different moments of the day Affirmations in Self-Care Space are organized by tone and intention, supporting different states of mind. Morning — begin the day with presence and gentle clarity Day — supportive reminders to stay focused while being kind to yourself Evening — slow down and reflect without pressure Before Bedtime — calm your mind and let go before sleep Every affirmation is carefully selected to be supportive yet realistic, so it feels natural, grounded, and relevant to real life. A quiet daily practice Self-Care Space is designed to grow with you. What starts as affirmations becomes a steady, comforting practice of self care and healthy self talk — one that respects your pace and your emotions. Get yourself a Lolo. Stay connected to yourself. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://magnetic-tailor-ed0.notion.site/Privacy-Policy-5589464878124275b837ba879bac2d1e

About

Peak Flow Log

Record your peak flow readings and visualize your asthma zones. Log reliever puffs, symptoms, and triggers to track trends and generate PDF reports for your doctor. Your data stays private and works offline.

Highlights
  • Visualize asthma zones (Green, Yellow, Red)
  • Log reliever puffs, symptoms, and triggers
  • Track trends over time
  • Create shareable PDF reports
  • Offline functionality
  • Multi-user support
Features
Read full description

Peak Flow Log turns your daily peak-flow reading into a clear picture you and your doctor can act on. Blow into your own peak-flow meter, type in the number, and the app instantly shows your zone as a percentage of your personal best: - GREEN, YELLOW or RED at a glance, based on your own numbers - Log reliever (rescue) inhaler puffs, symptoms and triggers in one tap - See your trend over time with clear color-coded zone bands - Track more than one person, so parents can follow their child too - Create a clean PDF report to share at every appointment Built to be trustworthy: - Works fully offline. No account, no sign-in. - Your data stays on your device. Nothing is uploaded. - Export and import a backup so you never lose your history when changing phones. - One-time purchase to unlock Pro. No subscription. Free to log and see your zones. Pro unlocks the doctor PDF, unlimited profiles, full 90-day and all-time trends, and custom zone thresholds. Peak Flow Log records and visualizes readings you take with your own meter. It does not diagnose, treat, or provide medical advice, and it is not a medical device. Zones are based on a percentage of your personal best that you or your clinician set. Always follow the asthma action plan given by your doctor, and seek medical help in an emergency.

Screenshots

Self4 screens
Peak Flow Log4 screens

Verdict

The call

The clearest difference is in-app purchases: Self at none against Peak Flow Log's 1. Self also leads on update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (15.0 vs 17.0). On price, ads and device support 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. Peak Flow Log sells 1 one-off in-app purchase. Self asks for nothing beyond the download.

UpkeepUpdate frequency

Self ships an update every 2 weeks, Peak Flow Log every 5 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Self versus Peak Flow Log: the parameters behind the verdict, then further details
ParameterSelfPeak Flow Log
PriceFreeFree
Rating—3.0 (1 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 2 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size36 MB2 MB
Age rating4+4+
DeveloperMarharyta PaliakovaYoshifumi Sato

In-app purchases

None

Self

No in-app purchases

1 purchases

Peak Flow Log

One-time1
  • Peak Flow Log Pro$3.99

Questions

Is Self free?
Self is free to download, with no in-app purchases.
Is Peak Flow Log free?
Peak Flow Log is free to download, with in-app purchases available.
Do Self or Peak Flow Log have ads?
Neither Self nor Peak Flow Log shows ads.
Which is updated more often, Self or Peak Flow Log?
Self ships an update every 2 weeks, and Peak Flow Log every 5 weeks. Most recently, Self was updated on November 4, 2026 and Peak Flow Log on October 31, 2026.

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