Comparison

Buff vs Keep Your Seed

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

# 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

About

Keep Your Seed

This is a free day-tracking application designed for men practicing semen retention or abstaining from pornography and masturbation. It offers a simple interface with a calendar view and motivational quotes to support users on their journey.

Highlights
  • Day tracking
  • Calendar view
  • Motivational quotes
  • Simple interface
  • Abstinence support
Features
Read full description

Free semen retention app.   A simple day-tracker app for men who are practicing semen retention or abstaining from pornography and/or masturbation. Simple, easy-to-use day-tracker with calendar view. Motivational and inspirational quotes. More features coming soon.

Screenshots

Buff4 screens
Keep Your Seed3 screens

Verdict

The call

The clearest difference is in-app purchases: Keep Your Seed at none against Buff's 10. Keep Your Seed also leads on ads (none vs shown) and review sentiment (100% vs 74%). Buff's advantage is ratings volume (26 vs 5). On price 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. Buff sells 7 in-app purchases, starting at $12.99 per month. Keep Your Seed asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Keep Your Seed holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Buff has 26 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 74% of Buff's written reviews are positive against 100% of Keep Your Seed's.

UpkeepUpdate frequency

Buff ships an update weekly, Keep Your Seed every 2 days. The most recent releases landed on September 28, 2026 and June 1, 2026 respectively.

Scorecard9 real differences · 1 level
Buff versus Keep Your Seed: the parameters behind the verdict, then further details
ParameterBuffKeep Your Seed
PriceFreeFree
Rating4.7 (26 ratings)5.0 (5 ratings) — better
Positive reviews74.1% of reviews100.0% of reviews — better
Number of ratings26 — better5
Update frequencyWeeklyEvery 2 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.012.0 — better
Further details — not scored
Size105 MB55 MB
Age rating17+12+
DeveloperMoxyzstudiolucas.com

Customer experience

Buff

All ratings26 ratings
Positive88.5%
Neutral3.8%
Negative7.7%
Written reviews27 reviews
Positive74.1%
Neutral11.1%
Negative14.8%

Keep Your Seed

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

7 purchases

Buff

Subscriptions7
  • Premium Features$12.991 Month
  • Premium Features1 Month trial$12.991 Month
  • Premium Features2 variants$24.993 Months
Show 4 more
  • 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
None

Keep Your Seed

No in-app purchases

Questions

Is Buff free?
Buff is free to download, with in-app purchases available.
Is Keep Your Seed free?
Keep Your Seed is free to download, with no in-app purchases.
Which has better reviews, Buff or Keep Your Seed?
Keep Your Seed is rated higher. Buff averages 4.7 out of 5 from 26 ratings, while Keep Your Seed averages 5.0 from 5 ratings.
Do Buff or Keep Your Seed have ads?
Buff shows ads; Keep Your Seed does not.
Which is updated more often, Buff or Keep Your Seed?
Buff ships an update weekly, and Keep Your Seed every 2 days. Most recently, Buff was updated on September 28, 2026 and Keep Your Seed on June 1, 2026.

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