Calla vs IUD period tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calla
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Calla is a private perimenopause and menopause tracker for iPhone. Keep a daily diary of symptoms, hot flashes, sleep and hormone replacement therapy (HRT). Calla Pro adds insights and PDF reports for your next medical appointment. MADE FOR THIS STAGE • 25+ symptoms with severity, plus your own custom symptoms and notes • One-tap hot flash log with time of day, night sweats and sleep • Works whether your periods are regular, irregular or gone – including after a hysterectomy or with an IUD • Tracks the gap since your last period and flags bleeding after 12 months HRT, PROPERLY • Patches, gels, sprays, tablets, pessaries, testosterone and more • Daily, twice-weekly, weekly and cyclical schedules with reminders that respect Focus modes • Log dose changes and see how your symptoms compared before and after SEE THE PATTERNS • Calendar heatmap and 7/30/90-day trends • Which triggers (alcohol, caffeine, stress, poor sleep) go with worse days • Adherence vs symptoms, hot flash frequency by time of day BRING PROOF TO YOUR APPOINTMENT • PDF report with charts, your HRT regimen and adherence, bleeding pattern, labs and your questions • Share from the app or print PRIVATE BY DESIGN • No account, no sign-up, no email • Data stays on your iPhone; optional iCloud backup and full export (CSV, JSON, PDF) • Optional Face ID lock • Writes symptoms to Apple Health and imports your cycle history Daily logging, medication reminders and JSON/CSV exports are available without a subscription. Calla Pro unlocks Insights and creation of PDF reports. Calla Pro is available as a subscription: $39.99/year after a 7-day free trial, or $7.99/month. Payment is charged to your Apple ID account. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in Settings › Apple ID › Subscriptions. Calla is a tracking tool, not a medical device. It does not diagnose or treat conditions. Always talk to your healthcare provider about symptoms and treatment. Privacy Policy: https://callatracker.app/privacy Terms of Use: https://callatracker.app/terms Support: https://callatracker.app/support
IUD period tracker
This app helps users understand and track their menstrual cycle and related symptoms, specifically designed for individuals with an IUD. It offers a private and focused experience to log bleeding, cramps, mood changes, and IUD checks, presenting cycle history and patterns in a simple calendar view.
- Track bleeding and spotting
- Log cramps and intensity
- Record symptoms (headaches, mood, etc.)
- Add personal notes
- Log IUD checks
- View period history and patterns
- Store IUD type and insertion date
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A period tracker made for life with an IUD. IUD Period Tracker makes it easy to understand your cycle, track changes, and keep a simple record of how you’re feeling, without the clutter of traditional period apps. Whether you have a hormonal or copper IUD, quickly log what matters to you and see how your patterns evolve over time. Track what matters • Bleeding and spotting • Cramps and their intensity • Symptoms like headaches, bloating, fatigue, acne, nausea and mood changes • Personal notes • When you checked your IUD Understand your cycle See your period history in a simple calendar, follow your expected period window, and discover useful patterns as you continue logging. Made specifically for IUD users Keep your IUD type and insertion date in one place and track your cycle with an experience designed around the reality that periods can change with an IUD. Private by design Your health information stays on your device. No account required, no ads, and we don't sell your personal data. Simple, private, and focused on what you actually need. IUD Period Tracker is not a medical device and does not provide medical diagnoses, contraceptive advice, or treatment recommendations. Cycle predictions are estimates only. Terms & Conditions: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: IUD period tracker at none against Calla's 2. Calla's advantage is iOS requirement (16.4 vs 26.0). 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
Both are free to download. Calla sells 2 in-app purchases, starting at $7.99 per month. IUD period tracker asks for nothing beyond the download.
| Parameter | Calla | IUD period tracker |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 16.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 69 MB | 3 MB |
| Age rating | 12+ | 4+ |
| Developer | Arman Malkhasyan | Hbrothers L.L.C. |
In-app purchases
Calla
- Calla Pro - Monthly$7.991 Month
- Calla Pro - Yearly7 Days trial$39.991 Year
IUD period tracker
No in-app purchases
Questions
Is Calla free?
Is IUD period tracker free?
Do Calla or IUD period tracker have ads?
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