Tempdrop vs Catholic Mom Calm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tempdrop
This app works with a specialized thermometer to track subtle overnight temperature changes. It helps identify hormonal fluctuations throughout the menstrual cycle, pinpoint ovulation, and predict cycle phases. The data supports fertility awareness and cycle tracking.
- Basal body temperature tracking
- Ovulation pinpointing
- Menstrual cycle prediction
- Hormonal fluctuation correlation
- Fertility awareness support
Read full descriptionHide full description
The Tempdrop app is designed to complement the Tempdrop device - a personalized user-specific thermometer that captures minute temperature variations throughout the night to pinpoint the basal body temperature. Detected variations in temperature correlate with hormonal fluctuations throughout the menstrual cycle. When used with the Tempdrop device, this app can help users to pinpoint ovulation and effectively track and predict the varying phases of the cycle. Disclaimer: The Tempdrop sensor and app are intended as complementary instruments to enhance your ability to monitor your fertility and share health details. The app and its wearable sensor, in themselves, are not, nor are they intended to be, a fertility monitor, a substitute for contraception, or a birth control method. We recognize the need of some to use the data and information provided to support ongoing health and menstrual cycle tracking, however, it is important to note that this should NOT be used as a substitute for an in-presence qualified professional, medical analysis, advice, guidance, or treatment. We strongly advise seeking a qualified Fertility Awareness instructor or other self-teaching resources to learn a symptothermal method and support your fertility journey. The provided interpretations and prediction guidelines are not suitable for use with irregular cycles. Optimal performance is dependent on correct and consistent use. Individual usage, wearing, input, and circumstances can affect the data. The user is fully responsible for the individual data inputs. The Tempdrop Sensor is approved for use in the USA, and is registered in the FDA database under registration number 3016099071. The device is classified as "Device, Fertility Diagnostic, Proceptive”. A link to the terms of use - https://www.tempdrop.com/pages/tos A link to the privacy policy - https://www.tempdrop.com/pages/privacy-policy
Catholic Mom Calm
This app offers a peaceful space for Catholic mothers to pray, meditate, and organize their lives. It provides tools for spiritual reflection and daily planning, helping users find calm amidst busy schedules.
- Prayer and meditation tools
- Daily planning features
- Spiritual reflection aids
- Community access
- Calming environment
Read full descriptionHide full description
Catholic Mom Calm is free to download. An optional auto-renewing subscription unlocks the Community tier: • Community — $29.99/month • Community — $299.99/year Payment is charged to your Apple Account at confirmation of purchase. Your subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription in your Apple Account settings after purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://catholicmomcalm.com/privacy
Screenshots
Verdict
The clearest difference is review sentiment: Catholic Mom Calm at 100% against Tempdrop's 39%. Catholic Mom Calm also leads on rating (5.0 vs 4.2) and update cadence (every 2 weeks vs every 2 months). Tempdrop's advantage is ratings volume (714 vs 1). On price, ads, in-app purchases and monetization model 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. Tempdrop sells 6 in-app purchases, starting at $2.99 per month and Catholic Mom Calm sells 2 in-app purchases, starting at $34.99 per month. Whichever you choose, the download price is not the number that matters.
Catholic Mom Calm holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Tempdrop has 714 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 39% of Tempdrop's written reviews are positive against 100% of Catholic Mom Calm's.
Tempdrop ships an update every 2 months, Catholic Mom Calm every 2 weeks. The most recent releases landed on November 11, 2026 and November 9, 2026 respectively.
| Parameter | Tempdrop | Catholic Mom Calm |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (714 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 38.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 714 — better | 1 |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 107 MB | 49 MB |
| Age rating | 17+ | 12+ |
| Developer | Tempdrop Inc | Michael Jaquith |
Customer experience
Tempdrop
Catholic Mom Calm
Bugs and requests
Tempdrop
Reported bugs
4 issues- App crashes and freezes
- Issues with syncing device data
- Inaccurate cycle predictions and phase tracking
- Temperature data changes over time
Requested features
5 requests- Improved sleep tracking capabilities
- More customizable symptom and data tracking
- Ability to manually confirm ovulation
- Integration with other fertility/health apps
- Support for irregular cycles and postpartum/breastfeeding phases
Catholic Mom Calm
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Tempdrop
- Tempdrop Promo Premium monthly2 Months trial$2.991 Month
- Tempdrop Premium monthly2 Months trial$6.001 Month
- Tempdrop Promo Premium quarterly2 Months trial$7.993 Months
Show 3 moreShow fewer
- Tempdrop Premium quarterly2 Months trial$15.003 Months
- Tempdrop Promo Premium yearly2 Months trial$24.991 Year
- Tempdrop Premium yearly*2 Months trial$48.001 Year
Catholic Mom Calm
- Community7 Days trial$34.991 Month
- Community Annual7 Days trial$299.991 Year
Questions
Is Tempdrop free?
Is Catholic Mom Calm free?
Which has better reviews, Tempdrop or Catholic Mom Calm?
Do Tempdrop or Catholic Mom Calm have ads?
Which is updated more often, Tempdrop or Catholic Mom Calm?
Other comparisons















