Comparison

SecondStrength vs Body Temperature Fever Diary

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

Head to head
About

SecondStrength

This fitness app is designed for women over 40 to build muscle, improve mobility, and support weight loss. It offers guided strength training and mobility routines tailored for perimenopause, menopause, and postmenopause stages.

Highlights
  • Guided strength training workouts
  • Menopause-friendly fitness plans
  • At-home and gym workout options
  • Core, glute, mobility, and full-body training
  • Beginner-friendly exercise guidance
  • Progressive plans to build strength
Features
Read full description

Second Strength is the fitness app built for women entering their strongest chapter. Designed for women in their 40s, 50s, 60s and beyond, Second Strength helps you build muscle, improve mobility, support weight loss, and feel confident in your body through simple, effective strength training. Whether you’re in perimenopause, menopause, postmenopause, or simply ready to get stronger, Second Strength gives you guided workout plans that fit your body, your goals, and your schedule. Inside the app, you’ll find strength workouts, mobility routines, core training, glute exercises, full-body plans, and progressive programs designed to help you move better, feel better, and build real strength over time. Second Strength helps you: Build lean muscle Improve strength and stability Support healthy weight loss Increase energy and confidence Improve mobility and flexibility Train safely at home or in the gym Stay consistent with structured plans Feel strong through menopause and beyond Our workouts are designed to be approachable but effective. No extreme routines. No confusing gym culture. Just clear, guided strength training created for women who want to feel capable, athletic, and powerful again. Second Strength includes exercises for your full body, including glutes, legs, core, arms, back, chest, and shoulders. You can follow structured workout plans, learn proper form, and progress at your own pace. This is not about “getting your old body back.” It’s about building your next one. Features include: Guided strength training workouts Programs for women 40+ Menopause-friendly fitness plans At-home and gym workout options Core, glute, mobility, and full-body training Beginner-friendly exercise guidance Progressive plans to build strength over time Workout library with clear exercise visuals Fitness routines designed for consistency Second Strength is ideal for women looking for strength training, menopause workouts, perimenopause fitness, postmenopause exercise, weight loss workouts, mobility training, home workouts, gym workouts, glute workouts, core workouts, and full-body fitness plans. Start building your second strength today. View our terms for any questions / concerns view our terms here: https://terms.a2apps.co/

About

Body Temperature Fever Diary

Easily log and track your body temperature, symptoms, and medications. Use your camera to scan thermometer displays and view wellness trends over time. Access local weather and educational articles for general health insights.

Highlights
  • Log body temperature readings
  • Scan thermometer displays with camera
  • View temperature trends and history
  • Record symptoms, medications, and notes
  • Camera-assisted wellness checks
  • Integrate with Apple Health
  • Access local weather and forecasts
Features
Read full description

Track body temperature, symptoms, medications, and wellness trends—all in one simple app. Body Temperature Tracker helps you keep a clear record of your temperature readings and understand how they change over time. Enter a reading from a real thermometer, or use your camera to scan the temperature shown on an external thermometer display. Whether you are monitoring your daily wellness or keeping notes during recovery, your health history stays organized and easy to review. KEY FEATURES • LOG BODY TEMPERATURE Quickly record temperature readings in Celsius or Fahrenheit. • SCAN A THERMOMETER DISPLAY Take a photo of an external thermometer and let the app recognize the displayed temperature. • VIEW TRENDS AND HISTORY Review your readings with clear Today, Week, and Month charts, including average, highest, and lowest values. • RECORD HOW YOU FEEL Add symptoms, mood, medications, measurement site, date, time, and personal notes to each entry. • CAMERA-ASSISTED WELLNESS CHECK Use your phone’s camera for a guided heart-rate check, followed by a simple breathing-rate test. • APPLE HEALTH Optionally save supported health entries to the Apple Health app after granting permission. • LOCAL WEATHER View current weather, feels-like temperature, humidity, wind, UV index, and forecasts for your location. • WELLNESS ARTICLES Explore educational content about body temperature, fever, heat safety, thermometers, sleep, and seasonal health. • MADE FOR EVERYONE Choose between Celsius and Fahrenheit and use the app in 10 supported languages. FREE FEATURES The free version includes: • Manual temperature logging • External thermometer display scanning • Temperature journal and history • Today, Week, and Month charts • Symptom, mood, medication, and note tracking • Weather forecasts and heat information • Wellness articles • Apple Health export for supported entries • All supported languages PREMIUM FEATURES Premium unlocks the complete camera-assisted temperature estimate result and lets you save that result with your wellness details. Subscription Terms: BodyTem Premium is an optional auto-renewable subscription and requires a separate purchase. Payment will be charged to your Apple ID account at confirmation of purchase. The subscription renews automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/sv56developer/privacy-policy IMPORTANT DISCLAIMER Body Temperature Tracker is intended for general wellness, education, and record-keeping purposes only. The app is not a medical device and is not intended to diagnose, treat, cure, mitigate, or prevent any disease or medical condition. The thermometer scan reads the number displayed on an external thermometer. It does not turn your iPhone into a clinical thermometer. Camera-assisted results are estimates only and are not clinically validated measurements. For an accurate body-temperature reading, always use a clinically validated thermometer. Always consult a qualified healthcare professional before making medical decisions. Seek professional or emergency medical assistance if you believe you may have a medical condition.

Screenshots

SecondStrength4 screens
Body Temperature Fever Diary4 screens

Verdict

The call

The clearest difference is update cadence: SecondStrength at every 10 days against Body Temperature Fever Diary's every 3 months. SecondStrength also leads on iOS requirement (15.1 vs 17.0). Body Temperature Fever Diary's advantage is review sentiment (67% vs 50%). On price, rating, ratings volume and ads 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. SecondStrength sells 2 in-app purchases, starting at $12.99 per month and Body Temperature Fever Diary sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.2 for SecondStrength against 4.2 for Body Temperature Fever Diary. Both are backed by a comparable volume of ratings — 11 and 5 respectively. Written reviews are what separate them: 50% of SecondStrength's written reviews are positive against 67% of Body Temperature Fever Diary's.

UpkeepUpdate frequency

SecondStrength ships an update every 10 days, Body Temperature Fever Diary every 3 months. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 7 level
SecondStrength versus Body Temperature Fever Diary: the parameters behind the verdict, then further details
ParameterSecondStrengthBody Temperature Fever Diary
PriceFreeFree
Rating4.2 (11 ratings)4.2 (5 ratings)
Positive reviews50.0% of reviews66.7% of reviews — better
Number of ratings11 — better5
Update frequencyEvery 10 days — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size82 MB20 MB
Age rating4+4+
DeveloperA2 Apps IncHa Quyen Ho Thi

Customer experience

SecondStrength

All ratings11 ratings
Positive90.9%
Neutral9.1%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Body Temperature Fever Diary

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

2 purchases

SecondStrength

Subscriptions2
  • Monthly Pro3 Days trial$12.991 Month
  • Annual Pro3 Days trial$79.991 Year
2 purchases

Body Temperature Fever Diary

Subscriptions2
  • weekly$1.997 Days
  • monthly3 Days trial$4.991 Month

Questions

Is SecondStrength free?
SecondStrength is free to download, with in-app purchases available.
Is Body Temperature Fever Diary free?
Body Temperature Fever Diary is free to download, with in-app purchases available.
Which has better reviews, SecondStrength or Body Temperature Fever Diary?
SecondStrength and Body Temperature Fever Diary are both rated 4.2 out of 5 on the App Store, from 11 and 5 ratings respectively.
Do SecondStrength or Body Temperature Fever Diary have ads?
Neither SecondStrength nor Body Temperature Fever Diary shows ads.
Which is updated more often, SecondStrength or Body Temperature Fever Diary?
SecondStrength ships an update every 10 days, and Body Temperature Fever Diary every 3 months. Most recently, SecondStrength was updated on October 13, 2026 and Body Temperature Fever Diary on October 11, 2026.

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