Keep A Breast vs Buff
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Keep A Breast
This app guides users through monthly breast self-checks with step-by-step tutorials and personalized reminders. It also provides breast health resources, survivor stories, and connects users to virtual care.
- Step-by-step self-check tutorial
- Monthly reminder scheduling
- Breast health resources
- Virtual care connection
- Survivor stories
- Rewards for monthly checks
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The Keep A Breast App wants to help you establish your own routine and approach to the breast self-check. The app helps guide you in your self-checks as well as lets you schedule a monthly reminder - so you never miss your monthly check! The Keep A Breast app is a new app designed to further support you in your self-check journey - we’re here to be your breast bud. Step-by-step self-check tutorial featuring animated gifs Scheduling feature based on your menstrual cycle (we have tips if you don’t have one, too!) Breast health resources and information Direct connection to virtual care via Carbon Health Stories from breast cancer survivors Rewards for users who check themselves monthly In-app sharing feature With 40% of diagnosed breast cancers being self-detected, establishing what is "normal" for you is an important step to knowing your body. Knowledge is Power. ABOUT The Keep A Breast Foundation™ is a nonprofit organization with a mission to empower young people around the world with breast health education and support. 2020 marks Keep A Breast’s 20th Anniversary! Since its inception in 2000, KAB has worked with young people to remove the shame associated with breasts and breast health. Through various initiatives and programs such as breast cast art exhibitions, “Non Toxic Revolution”, "i love boobies!" campaign, and the new “Keep A Breast App”, KAB has opened up the dialog about breast cancer, and has proven to be a doorway to breast self-awareness and education. Keep A Breast has grown into the leading global youth-based breast cancer prevention organization, with global affiliates in Europe, based in France, and partners in Mexico, Zambia, Kenya, and The Democratic Republic of Congo. Constantly pushing the boundaries of the pink ribbon status quo, Keep A Breast has always encouraged young people to love their boobies, get to know their bodies, and be aware of changes.
Buff
This app helps men naturally boost testosterone levels by tracking sleep, hydration, nutrition, stress, sunlight, and exercise. It offers daily challenges, detailed stats, and scientific insights to improve energy, libido, and reduce anxiety. Unlock new avatars as you progress.
- Daily assessment of sleep, hydration, nutrition, stress, sunlight, and exercise
- Detailed statistics to track progress
- Scientific insights on testosterone production
- Daily goal achievement tracking
- Buffalo's encouragements and reminders
- Evolving Buffalo avatar unlocks
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# Exclusively for Apple # As men age, their testosterone levels naturally decrease. However, testosterone is a crucial hormone for men. It helps build muscle, improves libido, and reduces anxiety... Testo Buffalo is here to help you establish a routine that naturally boosts your testosterone levels. By tracking the quality of your sleep, hydration, nutrition, stress levels, exposure to sunlight, and the intensity of your physical activities in a fun way, Testo Buffalo challenges you every day to regain the energy, desire, and libido of your 20s. ***** "I find this app incredible. It helped me clear my mind and take control of my life again." ***** "Sedentary lifestyle and family life have had a negative impact on my health and mood. The challenges offered by the app have really helped me." ***** "Some time ago, I experienced a significant decrease in my libido. The app, with its simple and natural approach to boosting my testosterone, helped me get back on track. Doing it alone would have been too tough." ***** "An essential app - I love it!!! The morning notification confronts me with reality. And the Buffalo doesn't joke around. A must-have app!" ***** "An app that has exceeded my expectations. Usually, when I download this type of app, I don't keep it for long. But this one is different. The reminder really helps and motivates me." ***** "Great app - clean and simple!" **YOUR DAILY ASSESSMENT** Sleep, hydration, nutrition, stress, sunlight, and exercise are crucial. Fill out your assessment each day to track your progress over time. **YOUR DETAILED STATS** With your stats, unleash the power of testosterone to reach your full potential! **HOW TO BOOST YOUR TESTO BASED ON SCIENCE** Discover the scientific details related to natural testosterone production. **ACHIEVE YOUR GOAL EVERY DAY** Keep an eye on the amount of effort required each day to complete your goal. **BUFFALO'S ENCOURAGEMENTS AND REMINDERS** Have fun with the buffalo's comments related to your responses. **BUFFALO AVATAR EVOLVES WITH YOU** Each day you achieve your goal, your level progresses in the app, allowing you to unlock new exclusive avatars that you can use within the app. NOTE: Testo Buffalo is not a medical app. Suggested daily testosterone goal is just an estimate. Please consult your health provider if you want to use it for medical purposes. This app contains In-app purchases: -Payment will be charged to your iTunes account upon confirmation of purchase. Your Testo Buffalo subscription will automatically renew at the end of each term, and your credit card will be charged through your iTunes account unless auto-renewal is turned off at least 24 hours before the end of the current period. Subscriptions can be managed, and auto-renewal can be turned off at any time from your iTunes account settings after purchase. -End User License Agreement : https://www.apple.com/legal/internet-services/itunes/dev/stdeula -Terms and conditions : https://testobuffalo.com/terms -Privacy policy : https://testobuffalo.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Keep A Breast at none against Buff's 10. Keep A Breast also leads on ads (none vs shown) and rating (5.0 vs 4.7). On price, ratings volume, update cadence and device support 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. Buff sells 7 in-app purchases, starting at $12.99 per month. Keep A Breast asks for nothing beyond the download.
Keep A Breast holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 14 and 26 respectively. Written reviews point the same way: 83% of Keep A Breast's written reviews are positive against 74% of Buff's.
Keep A Breast ships an update every 10 days, Buff weekly. The most recent releases landed on September 26, 2026 and September 6, 2026 respectively.
| Parameter | Keep A Breast | Buff |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (14 ratings) — better | 4.7 (26 ratings) |
| Positive reviews | 83.3% of reviews — better | 74.1% of reviews |
| Number of ratings | 14 | 26 — better |
| Update frequency | Every 10 days | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.2 | 16.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 105 MB |
| Age rating | 4+ | 17+ |
| Developer | The Keep A Breast Foundation | Moxyzstudio |
Customer experience
Keep A Breast
Buff
In-app purchases
Keep A Breast
No in-app purchases
Buff
- Premium Features$12.991 Month
- Premium Features1 Month trial$12.991 Month
- Premium Features2 variants$24.993 Months
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- Premium Features3 Days trial$24.993 Months
- Premium Features3 Days trial$34.991 Year
- Premium Features2 variants$34.991 Year
- Premium Features2 variants$39.991 Year









