# Basal Body Temperature Calc. vs PregAid

The clearest difference is price: PregAid at Free against Basal Body Temperature Calc.'s $0.99. PregAid also leads on rating (2.1 vs 1.3) and update cadence (every 6 weeks vs every 19 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

PregAid is free to download; Basal Body Temperature Calc. costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PregAid holds the better App Store score, 2.1 against 1.3. Both are backed by a comparable volume of ratings — 18 and 27 respectively. Written reviews point the same way: 0% of Basal Body Temperature Calc.'s written reviews are positive against 21% of PregAid's.

Basal Body Temperature Calc. ships an update every 19 months, PregAid every 6 weeks. The most recent releases landed on October 29, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Basal Body Temperature Calc. | PregAid |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.3 (18 ratings)](https://appshunter.io/ios/app/basal-body-temperature-calc/id351060251/reviews) | **[2.1 (27 ratings)](https://appshunter.io/ios/app/pregaid/id1004819006/reviews)** |
| Number of ratings | 18 | **27** |
| Positive reviews | 0.0% of reviews | **21.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 6 weeks** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 16 MB |
| Requires iOS | 16.6 | **8.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [Guangdong Biolight Meditech Co., Ltd.](https://appshunter.io/developer/888975473) |

## What reviewers say

### Basal Body Temperature Calc.

[App page](https://appshunter.io/ios/app/basal-body-temperature-calc/id351060251)

This application helps women track and visualize their basal body temperature over time. The resulting charts can aid in understanding menstrual cycles, identifying fertile periods, and predicting ovulation for family planning.

**Highlights:** Daily temperature and health logging, Menstrual cycle tracking, Fertility phase identification, Pregnancy probability indication, Graphical BBT chart display, Save and email charts

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### PregAid

[App page](https://appshunter.io/ios/app/pregaid/id1004819006)

Track basal body temperature to help schedule conception or contraception. This system records BBT data via Bluetooth, generates curves, and automatically marks fertile periods. Understand your menstrual cycle and compare your BBT curves to achieve effective family planning.

**Highlights:** Basal body temperature measurement, BBT data recording, Bluetooth thermometer integration, BBT curve generation, Fertile period reminders, BBT curve library comparison

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Basal Body Temperature Calc. free?

Basal Body Temperature Calc. costs $0.99, with no in-app purchases.

### Is PregAid free?

PregAid is free to download, with no in-app purchases.

### Which has better reviews, Basal Body Temperature Calc. or PregAid?

PregAid is rated higher. Basal Body Temperature Calc. averages 1.3 out of 5 from 18 ratings, while PregAid averages 2.1 from 27 ratings.

### Do Basal Body Temperature Calc. or PregAid have ads?

Neither Basal Body Temperature Calc. nor PregAid shows ads.

### Which is updated more often, Basal Body Temperature Calc. or PregAid?

Basal Body Temperature Calc. ships an update every 19 months, and PregAid every 6 weeks. Most recently, Basal Body Temperature Calc. was updated on October 29, 2026 and PregAid on October 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*