Penis Extender Comparison Charts

You may also want to consult our FAQ on penis extenders for any answers you seek. See the chart below for a more detailed comparison of the top five devices.

Price Comparison

Criteria	FastSize	SizeGenetics	Pro-Extender	X4-Extender
Price	$279.99	$350.00	$299.95	Up to 3"
Bonuses	• Tape measure • Spare parts • Travel Pouch • Toiletry Bag	• Spare parts • Exercise DVD • Sex positions DVD • Free shipping	• Spare parts	• Spare parts • Free shipping

Customer Support

Criteria	FastSize	SizeGenetics	Pro-Extender	X4-Extender
Instructional DVD	Yes	Yes	Yes	Yes
User Manual	Yes	Yes	Yes	Yes
Support forums	Yes	Yes	-	Yes
Customer support response time	Less than 24 hours	Less than 24 hours	Less than 24 hours	Less than 24 hours
Money-Back Guarantee	6 Months	6 Months	6 Months	6 Months

Billing and Payments

Criteria	FastSize	SizeGenetics	Pro-Extender	X4-Extender
Secure Payment	Yes	Yes	Yes	Yes
Discreet Charges	Yes	Yes	Yes	Yes
Payment types	• Credit cards • Phone orders • Fax order • Mail orders • PayPal • Wire transfer	• Credit cards • Phone orders • Fax order • Mail orders	• Credit cards • Phone orders • Fax order • Mail orders	• Credit cards • Phone orders • Fax order • Mail orders
Payment plans	One time payment ($279.99)	One time payment ($350)	One time payment ($279.99) or Two-month payment ($159 down payment + $79/month)	One time payment ($275)

Shipping and Delivery

Criteria	FastSize	SizeGenetics	Pro-Extender	X4-Extender
Shipping cost	varies	Free	varies	Free
Shipped on	Same day	Same day	Same day	Same day
Order tracking	Yes	Yes	Yes	-
Discreet shipping	Yes	Yes	Yes	Yes
Delivery Carrier	UPS/DHL	UPS/DHL	UPS/FedEx	UPS/FedEx

Other Criteria

Criteria	FastSize	SizeGenetics	Pro-Extender	X4-Extender
Approved by Doctors	Yes	Yes	Yes	Yes
Medically certified	CE Certified Medical Device	CE Certified Medical Device	CE Certified Medical Device	CE Certified Medical Device
Suggested use	2-10 hours per day	2-10 hours per day	2-10 hours per day	2-10 hours per day
Results claimed	Gain 30%	Gain 1-3 inches	Gain 30%	Gain 30%
Return Percentage	Less than 0.5%	Less than 0.5%	Less than 1%	Less than 1%

Penis Extender Results

Criteria	FastSize	SizeGenetics	Pro-Extender	X4-Extender
Length Gains	Up to 3"	Up to 3"	Up to 3"	Up to 3"
Girth Gains	Up to 2"	Up to 2"	Up to 2"	Up to 1"
Speed of gains	1-2 months	1-2 months	1-2 months	1.5-2 months
Erection Enhancement	Strong	Strong	Strong	Improved
Stamina	Significant	Strong	Strong	Slightly improved
Ejactulation Control	Strong Control	Strong Control	Improved Control	Improved Control
Sex Drive	Strong	Significant	Strong	Improved

Penis Enlargement Systems

Several extenders are available as a basic or a complete, added-value system. The added-value system usually include other methods such as pills and exercise programs at heavily discounted prices. We’ve compared the top 5 penis enlargement systems below:

Criteria	FastSize	SizeGenetics	Pro-Extender	X4-Extender
Full system price	$349.99	$389	$329.95	$395.95
Extender device?	$279.99	$350	$299.95	$295.95
Enlargement pills?	-	-	1 bottle of VigRx Plus $59.95	-
Sperm volume pills?	-	-	1 bottle of Semenax $59.95	-
Other Accessories	$98 including… • Post-stretch cream • Moisturizer • Exercise lubricant • Cleaning kit • Roaring Tiger virility	-	-	-
Enlargement Videos (CDs and DVDs)	$36.00 • Instruction CD with exercise book	$139.90 • Instruction CD • Penis Exercises • Sex Positions • Sex Massage	$39.99 • Penis Exercises	$39.99 • Instruction CD • Penis Exercises • Sex Positions
Online memberships	-	$48.95 • PenisHealth™	-	$149.99 • PenisAccess™ • X4L Gift Card
Total value	$413.99	$538.85	$459.84	$485.93
Actual cost	$349.99	$389.00	$329.95	$395.95
Savings	$64.00	$149.85	$129.89	$89.98

Contact Information

FastSize	SizeGenetics	Pro-Extender	X4-Extender
FastSize, LLC. 101 Columbia #150 Aliso Viejo, CA 92656, USA	Lativio LLP. 3A Park LaneBasford, Nottingham NG60DU, UK	LEM Inc. 2414 4th Avenue Greeley, CO 80631, USA	X4 Labs Inc. 1365 Beaumont Ave. H3P 3H8 Montreal, Canada

How Extenders Work	Extender Device Reviews