Birthday Reminder & Widget vs PMI Atom
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Birthday Reminder & Widget
Never forget a birthday again. This app helps you track upcoming celebrations, organize contacts into groups, and receive smart reminders. View birthdays on a calendar and add widgets to your home screen for quick access.
- Track days until birthdays
- Calendar view of upcoming birthdays
- Organize by groups
- Smart, customizable reminders
- Home and Lock Screen widgets
- Import birthdays from contacts
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Stay on top of every birthday and make your loved ones feel special with Birthdays! Easily organize the important birthdays in your life, set reminders, and count down to each celebration. Key Features: ◆ Track: See how many days remain until upcoming birthdays. ◆ Calendar: View upcoming birthdays at a glance with a convenient calendar view. ◆ Groups: Organize birthdays into groups for family, friends, and more. ◆ Smart Reminders: Get timely notifications so you never miss a birthday. Customize reminders to suit your schedule. ◆ Widgets: Keep upcoming birthdays close with widgets for your Home Screen or Lock Screen. ◆ Import Contacts: Easily import birthdays from your contacts or add them manually. ◆ Anniversaries: Keep track of anniversaries alongside birthdays, bringing your important dates together in one place. ◆ Design: Enjoy a beautiful, easy-to-use interface on iPhone and iPad. For more information, see our privacy policy & terms of use: https://www.shayesapps.com/policies
PMI Atom
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The PMI Atom application is used in conjunction with the Atom Environmental Sensor from Power Monitors, Inc. With this application, users can download time-series measurements from their Atoms, take real-time spot measurements and more! The PMI Atom application also allows users to integrate seamlessly with PQ Canvass, PMI's flag-ship time-series analysis platform.
Screenshots
Verdict
The clearest difference is in-app purchases: PMI Atom at none against Birthday Reminder & Widget's 3. PMI Atom also leads on ads (none vs shown) and update cadence (every 5 days vs monthly). On price, device support and iOS requirement 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. Birthday Reminder & Widget sells 3 in-app purchases, starting at $0.29 per month. PMI Atom asks for nothing beyond the download.
Birthday Reminder & Widget ships an update monthly, PMI Atom every 5 days. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.
| Parameter | Birthday Reminder & Widget | PMI Atom |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (72 ratings) — better | — |
| Positive reviews | 86.7% of reviews | — |
| Number of ratings | 72 — better | — |
| Update frequency | Monthly | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 66 MB | 23 MB |
| Age rating | 4+ | 17+ |
| Developer | Shayes Apps LLC | Power Monitors, Incorporated |
In-app purchases
Birthday Reminder & Widget
- Premium7 Days trial$0.291 Month
- Premium7 Days trial$3.991 Year
- Premium$2.99
PMI Atom
No in-app purchases
Questions
Is Birthday Reminder & Widget free?
Is PMI Atom free?
Do Birthday Reminder & Widget or PMI Atom have ads?
Which is updated more often, Birthday Reminder & Widget or PMI Atom?
Other comparisons
