ムーンフラグ vs Symptio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ムーンフラグ
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-こんな人におすすめ- 記録をひと目でみたい コラムや情報は必要ない 自分だけの表現で記録したい アプリのデザインを自分で変更したい 毎日起動するのは面倒、まとめて記入したい 人前で使ってもバレない -機能- 生理を記録できます。 他、自分に合わせたカテゴリを自由に作成・編集できます。 (カテゴリはいくつでも作成できますが、 一覧に表示できるのは生理含めて4つまでです) 点と線(フラグ)で一覧表示できます。 その他のカテゴリはアイコンで表示されます。 カレンダーで確認することができます。 その際、メモも表示することができます。 カレンダーは5枚同時に表示でき、並べて比較することができます。 無料アプリです。下部にバナー広告が表示されます。 通知・シェア(通信)機能はありません。 当アプリは個人の健康状態の記録用アプリです。 健康を増進したり、治療計画を立てるものではありません。 またデータは端末(アプリがインストールされているiPhone,iPad) にのみ、保存されます。アプリを削除するとデータも消えますのでご注意ください。
Symptio
Track symptoms, medications, and triggers to identify health patterns. Visualize trends with charts and gain insights into your well-being. Syncs with Apple Health and offers family profiles for comprehensive care.
- Symptom logging (1-10 rating)
- Add photos, medications, notes, triggers
- 7-day and 30-day trend charts
- Calendar heatmap
- Smart Insights for pattern detection
- Apple Health sync
- Family profiles
- PDF and CSV report export
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You wake up with a migraine. You've had three days of GI issues. You're trying to figure out if the new medication is helping. None of this is in your Apple Health app. None of it makes it to your next doctor visit. That's what Symptio fixes. Open the app. Tap symptom. Rate 1–10. Done in 15 seconds. Expand only when you need to — add photos, medications, notes, triggers. No signup. No ads. Just open it and start. [ Spot patterns you'd otherwise miss ] 7-day and 30-day trend charts Calendar heatmap shows month-by-month Smart Insights find connections like "your headaches are worse after poor sleep" Side-by-side comparison of multiple symptoms [ More than just symptoms ] Weight: daily logs, trends, BMI Cycle: period tracking, ovulation predictions Bathroom: Bristol stool scale + hydration color chart — auto alerts for IBS, dehydration Apple Health sync: see heart rate, sleep, steps alongside your symptoms Photos: track rashes, wounds, visible changes [ Built for chronic condition self-management ] Migraine, IBS, fibromyalgia, long COVID, anxiety, chronic fatigue — Symptio is designed for people who need to track patterns over months, not just one bad day. [ Care for family too ] Separate profiles for parents, kids, spouse Get alerted when a loved one logs severe symptoms multiple days in a row Family health report for shared doctor visits [ Built for privacy ] All data lives in YOUR personal iCloud — our servers never see it No account, no email, no phone number No ads, no third-party trackers, no SDKs Delete anything anytime [ When you visit the doctor ] Export professional PDF reports with charts CSV export for deeper analysis One tap to share via Messages, Mail, or print Symptio Pro unlocks Smart Insights, multi-symptom comparison, family profiles, Apple Health sync, and CSV export. Core tracking is free forever. Your body has been telling its story. Now you can read it back. Privacy Policy: https://smartkiitos.com/symptio/privacy/ Terms of Use: https://smartkiitos.com/symptio/terms/
Screenshots
Verdict
The clearest difference is in-app purchases: ムーンフラグ at none against Symptio's 5. ムーンフラグ also leads on iOS requirement (12.0 vs 17.0). Symptio's advantage is ads (none vs shown) and update cadence (every 6 days vs every 8 months). On price 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
Both are free to download. Symptio sells 5 in-app purchases, starting at $4.99 per month. ムーンフラグ asks for nothing beyond the download.
ムーンフラグ ships an update every 8 months, Symptio every 6 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.
| Parameter | ムーンフラグ | Symptio |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 8 months | Every 6 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 114 MB | 13 MB |
| Age rating | 4+ | 12+ |
| Developer | Sumie Watanabe | Liwei Xie |
In-app purchases
ムーンフラグ
No in-app purchases
Symptio
- Symptio Pro3 Days trial$4.991 Month
- Symptio Pro7 Days trial$29.991 Year
- Wafu Pack$0.99
- Bamboo Pack$0.99
- Symptio Pro Lifetime$59.99









