Pregnancy Timing Chart vs Thermometer Log
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pregnancy Timing Chart
This app helps users track their menstrual cycles and identify optimal timing for conception. It utilizes basal body temperature readings and moon phases to predict ovulation, aiming to improve chances of getting pregnant.
- Track periods up to 200 days
- Utilize moon phases for cycle tracking
- Display Fahrenheit and Celsius temperatures
- Predict ovulation based on BBT
- Support for multiple system languages
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HAVING DIFFICULTY OF GETTING PREGNANT ? WELL , TIMING IS THE MOST IMPORTANT ! BASAL BODY TEMPERATURES AND MOON PHASES HELP YOU FIND YOUR BEST TIMING ! • TRACK YOUR PERIOD UP TO 200 DAYS • MOON PHASES HELP YOU REMEMBER THE MENSTRUAL CYCLE • FAHRENHEIT & CELSIUS DEGREES SHOWN TOGETHER • SYSTEM LANGUAGE: ENGLISH JAPANESE RUSSIAN CHINESE GERMAN FRENCH CHINESE(traditional) PORTUGUESE SPANISH KOREAN -When should I measure my body temperatures？ Right after you get up in the morning before you drink or eat anything. Take 3 or 5 minutes to measure your oral temperature. The temperature is called the Basal Body Temperature(BBT). -How should I know the indication of ovulation from the chart? The rise in temperatures can be seen during ovulation, which is the best timing of pregnancy. Next time you predict the day of ovulation according to the BBTs. -How is the Moon related to the menstruation? The Moon phases are only used to help you remember the days of menstruation. Because the average length of the menstrual cycle is similar to that of the lunar cycle(28 days). The word "menstruation" is etymologically related to "moon". It is related to the Greek mene (moon).
Thermometer Log
Easily record and track your body temperature with this intuitive app. View historical data, analyze trends with graphs, and export your records. Supports both Celsius and Fahrenheit units.
- Easy temperature recording
- Celsius and Fahrenheit support
- Weekly, monthly, and 3-month graphs
- Average temperature display
- Data correction and addition
- CSV export
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This app is an app that allows you to easily record your body temperature. You can record many times a day! In addition, two units of body temperature can be used: Celsius (℃) and Fahrenheit (℉). Just move the scale on the home screen left and right to set the body temperature, and tap the save button to easily record the body temperature and save time! Since it can be recorded many times a day, it is ideal for recording body temperature in the morning and at night. On the "Analysis" screen, a graph of weekly, monthly, and 3-month body temperature is displayed. In addition, the average body temperature for that period is displayed. You can check the data by tapping the graph. On the "History" screen, the record of the body temperature of the year and month selected in the upper right of the screen is displayed. You can correct the body temperature data by double tapping the data. If you forget to record the body temperature data, you can add it by tapping the "Add" button on the upper left of the screen. When you tap the "Add" button, the input screen will be displayed. Select and add the date, time, and body temperature. By tapping the "Export CSV file" button, you can convert the history data to a CSV file and attach it to an email for export. On the "Settings" screen, you can set the unit of body temperature. You can also set the day of the week at the beginning of the week in the weekly graph. You can choose to start on Monday or Sunday. In the free version, you can check the body temperature record for up to one week. If you have an unlimited recording period and want to check monthly or 3 month data, please consider purchasing the premium version in the app. ---------------------- Terms of Service and Privacy Policy: https://akikibai-labolatory.jimdofree.com/privacy-policy-log-apps/
Screenshots
Verdict
The clearest difference is review sentiment: Thermometer Log at 50% against Pregnancy Timing Chart's 0%. Thermometer Log also leads on price (Free vs $1.99) and update cadence (every 2 months vs every 29 months). Pregnancy Timing Chart's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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
Thermometer Log is free to download; Pregnancy Timing Chart costs $1.99 up front. Thermometer Log sells 1 one-off in-app purchase. Pregnancy Timing Chart asks for nothing beyond the download.
Pregnancy Timing Chart ships an update every 29 months, Thermometer Log every 2 months. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.
| Parameter | Pregnancy Timing Chart | Thermometer Log |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 4.8 (6 ratings) — better |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Number of ratings | — | 6 — better |
| Update frequency | Every 29 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 12 MB | 6 MB |
| Age rating | 12+ | 4+ |
| Developer | 俊 姜 | Kei Suefuji |
Customer experience
Pregnancy Timing Chart
Thermometer Log
In-app purchases
Pregnancy Timing Chart
No in-app purchases
Thermometer Log
- PREMIUM$4.99
Questions
Is Pregnancy Timing Chart free?
Is Thermometer Log free?
Do Pregnancy Timing Chart or Thermometer Log have ads?
Which is updated more often, Pregnancy Timing Chart or Thermometer Log?
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