Comparison

Mikvah Calendar vs Greenvelope

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Mikvah Calendar

This app provides accurate, rabbinically approved calculations for mikvah dates and reminders. It supports various Jewish traditions and offers personalized tools for tracking and preparation, ensuring privacy and halachic adherence.

Highlights
  • Automatic mikvah date calculations
  • Supports diverse Jewish traditions (minhagim)
  • Smart reminders and halachic alerts
  • Personalized tracking and kavuah system
  • Secure communication with religious leaders
  • Global support and multilingual access
Features
Read full description

Mikvah Calendar – The Original, Rabbinically Approved Mikvah Calculator MikvahCalendar.com is the most advanced and accurate Mikvah Calendar app, trusted by over a hundred thousand couples worldwide. Designed with full rabbinic approval, this powerful mikvah tracker calculates all your important mikvah dates and reminders based on your personal minhag and halachic custom. Whether you're Ashkenazic, Sephardic, Chabad, Satmar, Skver, Belz, Ger, Bucharian, or follow another tradition, Mikvah Calendar supports your home and lifestyle with precision, ease, and privacy. The Most Complete Mikvah Tracker Available: - Automatic Mikvah Date Calculations Calculates mikvah nights, Hefsek Taharah, Onot Perishah, ovulation estimates, and more. Supports all major minhagim: Ashkenaz, Chabad, Sephardic, Satmar, Belz, Skver, Ger, and Bucharian. Adjusts for leap years, daylight saving time, zmanim, Yom Kippur, and Tisha B’Av. Location-based zmanim for accurate mikvah times. - Smart Reminders & Halachic Alerts Discreet SMS, email, WhatsApp* (where available), or phone call reminders. Optional Mehadrin mode for homes without internet. Alerts for mikvah nights, ovulation, and halachic considerations. Health and fertility awareness reminders included. - Personalized Mikvah Tools Track flows, establish kavuah patterns, and view mikvah history. Use the most advanced kavuah system — the most accurate in the world. Mikvah preparation checklist. Add private notes and monitor trends. - Communication & Support for Your Home Securely email your Rabbi, Kallah teacher, or Rebbetzin with your mikvah calendar and history. “Ask the Rabbi” feature for halachic guidance tailored to your situation. Easily print summaries of mikvah dates and history for personal or rabbinic reference. Designed to support the halachic needs of your home with sensitivity and care. - Global Support & Multilingual Access Adjust calculations when traveling between cities and time zones. Why Choose MikvahCalendar.com? Rabbinically endorsed and trusted across communities. Developed by MIT graduates with a focus on halachic accuracy and user-friendly design. Used by hundreds of thousands of couples, chosson and kallahs, rabbis and rebbetzins, and chosson and kallah teachers worldwide. Supports both high-tech homes and homes that choose to limit internet access. Note: Internet connection is required to use the app. For those who prefer, a Mehadrin phone-based system is available with no internet required — receive reminders via phone call in your local time zone. MikvahCalendar.com is the original, most complete mikvah calendar solution for women and couples committed to taharat hamishpacha. Whether you need a comprehensive mikvah tracker, reminders, zmanim related to taharat hamishpacha or halachic clarity, this app helps bring confidence and calm to your home.

About

Greenvelope

Create chic, digital invitations that impress guests and simplify event management. Send via email, SMS, or Facebook with features like RSVP tracking and guest information collection. Offers sophisticated designs and easy customization for any occasion.

Highlights
  • Modern and sophisticated digital invitation designs
  • Email, SMS, and Facebook delivery options
  • RSVP tracking and guest list management
  • Customizable designs for any event
  • Guest information collection (e.g., meal preferences)
  • Automated RSVP and event reminders
Features
Read full description

Chic, digital invites that will wow your friends and make managing your event easier. Recommended by VOGUE for best digital invitations. Rated 5 stars on TRUSTPILOT. **Not your typical e-invite** Modern and sophisticated designs that will set the tone for your special event. Delivered through email, Greenvelope’s invites look like real paper—think textures, di-cut edges, and gold foil—but come with all the benefits of digital event management tools, like RSVP tracking. Don’t have an email address for all your guests? No problem! Easily send your invitations via Facebook or text message. -------------------------------------------------------- Easy-to-use event management tools: Fully customizable designs that you can personalize for any event Exclusive collections by celebrity designers including Colin Cowie and Butter London RSVP tracking to easily manage your guest list Schedule and send RSVP and event reminders Collect guest information, like meal preferences or song requests, through simple survey questions ------------------------------------------------ Why It’s Rated 5 stars on Trustpilot GREAT EXPERIENCE, VERY EASY TO USE! “My experience with Greenvelope was great. It was very easy to use, all the way from the design to the tracking of the invitations. I could manage all the RSVPs very easily, quantify food preferences, etc. I really recommend it!” - Camila R. REPLACEMENT OF PAPER INVITATIONS “Great process and idea. Brilliantly executed. Allows you to send invite, as well as all the details in one, clean, attractive, and personalised package. Greener and more efficient than paper invitations. This should replace all paper invites in the near future!” - Adam B. WONDERFUL! “I chose Greenvelope for my save-the-dates for my wedding after looking at their website and a competitor. I was looking for ease of use, price, and wealth of choice. I am extremely happy that I went with Greenvelope. All of the people on my guest list have absolutely loved the save-the-dates…” - Lisa H.

Screenshots

Mikvah Calendar4 screens
Greenvelope4 screens

Verdict

The call

The clearest difference is rating: Mikvah Calendar at 4.9 against Greenvelope's 3.9. Mikvah Calendar also leads on ads (none vs shown) and review sentiment (85% vs 57%). On price, update cadence, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Mikvah Calendar holds the better App Store score, 4.9 against 3.9. That said, the two scores are not equally well evidenced: Mikvah Calendar has 1.3K ratings behind it against 75, so its average is the more settled of the two. Written reviews point the same way: 85% of Mikvah Calendar's written reviews are positive against 57% of Greenvelope's.

UpkeepUpdate frequency

Mikvah Calendar ships an update every 2 months, Greenvelope every 6 weeks. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

Scorecard6 real differences · 4 level
Mikvah Calendar versus Greenvelope: the parameters behind the verdict, then further details
ParameterMikvah CalendarGreenvelope
PriceFreeFree
Rating4.9 (1.3K ratings) — better3.9 (75 ratings)
Positive reviews85.4% of reviews — better56.8% of reviews
Number of ratings1.3K — better75
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.4 — better15.6
Further details — not scored
Size14 MB30 MB
Age rating4+4+
DeveloperMikvahCalendar.comGreenvelope LLC

Customer experience

Mikvah Calendar

All ratings415 ratings
Positive96.6%
Neutral1.2%
Negative2.2%
Written reviews41 reviews
Positive85.4%
Neutral4.9%
Negative9.8%

Greenvelope

All ratings57 ratings
Positive64.9%
Neutral12.3%
Negative22.8%
Written reviews44 reviews
Positive56.8%
Neutral11.4%
Negative31.8%

Bugs and requests

Mikvah Calendar

Reported bugs

6 issues
  • App and website not working
  • App does not open
  • Tends to glitch
  • Fatal error messages
  • Keeps user logged out
Show 1 more
  • Reminders stopped working

Requested features

5 requests
  • Add a place to check off bedikas
  • In App Purchases for subscriptions
  • More discreet app icon for screen sharing
  • Add dark mode option
  • Advanced analytics dashboard

Greenvelope

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Mikvah Calendar

No in-app purchases

None

Greenvelope

No in-app purchases

Questions

Is Mikvah Calendar free?
Mikvah Calendar is free to download, with no in-app purchases.
Is Greenvelope free?
Greenvelope is free to download, with no in-app purchases.
Which has better reviews, Mikvah Calendar or Greenvelope?
Mikvah Calendar is rated higher. Mikvah Calendar averages 4.9 out of 5 from 1.3K ratings, while Greenvelope averages 3.9 from 75 ratings.
Do Mikvah Calendar or Greenvelope have ads?
Greenvelope shows ads; Mikvah Calendar does not.
Which is updated more often, Mikvah Calendar or Greenvelope?
Mikvah Calendar ships an update every 2 months, and Greenvelope every 6 weeks. Most recently, Mikvah Calendar was updated on November 6, 2026 and Greenvelope on November 2, 2026.

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