One Calm vs DearTimeToYou
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One Calm
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One Calm - Your solution to staying calm and focused during stressful times. Feeling anxious and restless before an exam, interview, or speech in just a few minutes? One Calm can help you calm down within a minute. Struggling to put down your phone and concentrate on studying or sleeping? One Calm can help you relax. Want to learn meditation but constantly distracted by your thoughts about the past and future? One Calm can help you let go of your distractions. Terms of use: https://zedom1.github.io/calm_terms_use.html Image: https://storyset.com/home ScreenShot: https://hotpot.ai
DearTimeToYou
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Dear Time To You helps parents create intentional, phone-free moments with their children. Check in your phone, choose a simple activity, and begin a focused family session. When time is up, your child can leave an age-friendly reply. Each completed session becomes a time letter, building a warm family album of stamps, memories, and shared progress. MAKE PRESENCE A FAMILY RITUAL • Start 10, 15, 20, or 30-minute family sessions • Choose age-appropriate ideas for reading, talking, playing, and bedtime • Use a calm timer designed to keep attention off the phone • Let children respond with simple, age-friendly feedback • Review focused minutes, streaks, replies, and monthly highlights • Grow your family’s Time Post Office with every delivered letter • Keep everything private and stored locally on your device Dear Time To You is not another productivity timer. It is a gentle ritual for parents who want to be fully present for the moments that matter. Apple Official User Documentation (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: One Calm at none against DearTimeToYou's 3. One Calm also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price and ads 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. DearTimeToYou sells 3 in-app purchases, starting at $2.99 per month. One Calm asks for nothing beyond the download.
| Parameter | One Calm | DearTimeToYou |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 14 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | 潘安 吴 | Naihe Hu |
In-app purchases
One Calm
No in-app purchases
DearTimeToYou
- MonthlyPro$2.991 Month
- YearlyPro$19.991 Year
- Life Time Pro$39.99









