# Fertility Tracker: IVF & BBT — Track BBT, cycles & IVF care

> Track BBT, cycles & IVF care (iPhone/iPad app by Tsuyoshi Ikeno.)

- Source: https://appshunter.io/ios/app/fertility-tracker-ivf-and-bbt/id6789190789 (this page in markdown: same URL + `.md`)
- Developer: [Tsuyoshi Ikeno](https://appshunter.io/developer/6789190791)
- Category: Health & Fitness
- Price: Free with in-app purchases
- Age rating: 17+
- Requires: iOS 15.5 · 104 MB
- Languages: American English
- Released: 2026-07-21
- Data updated: 2026-09-30
- User reviews in markdown: https://appshunter.io/ios/app/fertility-tracker-ivf-and-bbt/id6789190789/reviews.md

## What is Fertility Tracker?

Fertility Tracker helps you organise your daily records through fertility treatment, all the way to preparing for your next appointment.

[Free features]
- Basal body temperature, symptoms and cycle records with graphs
- Clinic visits, treatment stages, medication and cost tracking
- Reading assistance for receipts and lab results
- View the latest sleep, heart rate and wrist temperature synced to Apple Health

[Premium]
- Visit preparation report summarising your recent records
- Lab result hub with trends
- Treatment cost analysis
- AI consultation, summaries and question lists
- 7-day Apple Health trends for sleep, resting heart rate, HRV and wrist temperature
- Expanded cloud storage and no ads

[Please note]
AI features currently respond in Japanese only. The medical expense deduction documents follow the Japanese tax system. All other features are fully available in your language.

[Privacy and safety]
AI features explain what data is sent, where it goes and why, and send it only after you explicitly agree. HealthKit data is read-only, is never sent to our servers or to the AI, and never overwrites the records you entered.

This app is not a medical device and does not diagnose or make treatment decisions. Always consult a healthcare professional for medical judgements.

Privacy Policy:
https://fertility-tracker-api.caleo-app.workers.dev/privacy

Terms of Use:
https://fertility-tracker-api.caleo-app.workers.dev/terms

This app is covered by Apple's standard EULA:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| AIプラン | $3.99 | per month |



## Version history (last 3 releases)

### 1.3.2 — 2026-09-07

What's new:
- Fertility calendar: an optional cycle estimate shown as a range, based on your logged period start dates (off by default)
- Expanded treatment cycle records: retrievals, transfers, lab values and embryos organised per cycle, with charts
- PDF export for treatment progress and visit preparation summaries
- Test strip photo log — you enter the reading yourself
- New "Today" card on the home screen for quick entry
- Sleep and energy check-in added to the daily log
- Clearer type and colours throughout
- Deleting a visit now keeps its costs and receipts
- Bug fixes and stability improvements

### 1.2.1 — 2026-08-20

既存の入力データを保持したまま、無料版とPremium版を改善しました。
・受診準備レポート、検査結果トレンド、治療費サマリーを追加
・Apple Watchからヘルスケアに同期された睡眠・心拍・睡眠中の手首温度を端末内で確認
・Premiumでは7日間のHealthKit傾向、AI支援、医療費控除資料などを利用可能
・購入状態の確認と購入復元を改善
・AI送信前の説明と明示同意、公開プライバシー／アカウント削除案内を改善

### 1.0 — 2026-07-21

No release notes.

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## More apps by Tsuyoshi Ikeno

- [Flux PDF Scanner](https://appshunter.io/ios/app/flux-pdf-scanner/id6789488639)
- [Pasterie](https://appshunter.io/ios/app/pasterie/id6789872075)
- [chouchou Dresser](https://appshunter.io/ios/app/chouchou-dresser/id6789920473)
- [Chronoveil](https://appshunter.io/ios/app/chronoveil/id6799561537)
- [SKY POST: 空の郵便屋](https://appshunter.io/ios/app/sky-post/id6800410879)

All apps by Tsuyoshi Ikeno: https://appshunter.io/developer/6789190791

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-30.*