Comparison

Tempdrop vs BairnApp

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

Head to head
About

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.

Highlights
  • Basal body temperature tracking
  • Ovulation pinpointing
  • Menstrual cycle prediction
  • Hormonal fluctuation correlation
  • Fertility awareness support
Features
Read 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

About

BairnApp

This app supports parents from pregnancy through toddlerhood, offering tools for tracking development, feeding, sleep, and health milestones. It includes features for prenatal care, newborn logging, infant growth, and toddler development, with caregiver syncing and a focus on usability for tired parents.

Highlights
  • Week-by-week fetal development
  • Kick counter and contraction timer
  • One-tap feeding, diaper, and sleep logging
  • CDC milestone checklist
  • Developmental leap predictor
  • Potty training log
  • Caregiver syncing
Features
Read full description

You forgot which side you fed on. The last diaper is a blur. And it's 3 am. Bairn is here. Bairn is the one app that stays with your family from the very first ultrasound all the way through your toddler's first words. PRENATAL Week-by-week fetal development cards, kick counter, contraction timer with 5-1-1 hospital alert, symptom journal, weight tracker, and appointment scheduler with reminders. Build your birth plan and print it as a PDF. Check off your hospital bag checklist and share it with your partner. NEWBORN (0 to 3 months) One-tap logging, two taps to record any feeding, diaper, or sleep. Breastfeeding timer auto-switches sides. Night mode activates at 8 PM with enlarged tap targets for reliable one-handed operation. Real-time sync across all linked caregivers, so you see who logged what and when, even at 2 AM. INFANT (3 to 12 months) CDC milestone checklist with color-coded flags, developmental leap predictor with 3-day advance alerts, Sweet Spot nap window engine, solids tracker with top-9 allergen checklist, WHO growth chart with percentile overlay, and CDC vaccine tracker with 7-day reminders. TODDLER (12 to 36 months) Potty training log with sticker chart, language development tracker, screen time log with AAP limits, toddler meal planner, picky eater tip library, and preschool readiness checklist. FOR PARENTS Daily mood check-in, Edinburgh Postnatal Depression Scale (EPDS) screener with auto-scored results, and resource referral if you need support. CAREGIVER SYNC Invite up to 4 caregivers per baby (partner, grandparent, nanny, night nurse). Real-time sync across all devices. Every log entry shows who recorded it. BUILT FOR TIRED PARENTS Night mode. One-handed tap targets. Offline logging that syncs when reconnected. Everything is designed to work at 3 am. Bairn. Every little one deserves a great start.

Screenshots

Tempdrop4 screens
BairnApp4 screens

Verdict

The call

The clearest difference is rating: BairnApp at 5.0 against Tempdrop's 4.2. BairnApp also leads on in-app purchases (none vs 6) and update cadence (every 3 days vs every 2 months). Tempdrop's advantage is ads (none vs shown) and ratings volume (714 vs 1). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Tempdrop sells 6 in-app purchases, starting at $2.99 per month. BairnApp asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

BairnApp 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.

UpkeepUpdate frequency

Tempdrop ships an update every 2 months, BairnApp every 3 days. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard6 real differences · 4 level
Tempdrop versus BairnApp: the parameters behind the verdict, then further details
ParameterTempdropBairnApp
PriceFreeFree
Rating4.2 (714 ratings)5.0 (1 ratings) — better
Positive reviews38.7% of reviews—
Number of ratings714 — better1
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size107 MB20 MB
Age rating17+4+
DeveloperTempdrop Inconticworks.io (AS Peoria LLC)

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

BairnApp

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Tempdrop

Subscriptions6
  • 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 more
  • 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
None

BairnApp

No in-app purchases

Questions

Is Tempdrop free?
Tempdrop is free to download, with in-app purchases available.
Is BairnApp free?
BairnApp is free to download, with no in-app purchases.
Which has better reviews, Tempdrop or BairnApp?
BairnApp is rated higher. Tempdrop averages 4.2 out of 5 from 714 ratings, while BairnApp averages 5.0 from 1 ratings.
Do Tempdrop or BairnApp have ads?
BairnApp shows ads; Tempdrop does not.
Which is updated more often, Tempdrop or BairnApp?
Tempdrop ships an update every 2 months, and BairnApp every 3 days. Most recently, Tempdrop was updated on October 29, 2026 and BairnApp on October 25, 2026.

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