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
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 order – Fax order – Mail orders |
Credit cards – Phone orders – Fax order – Mail orders |
Credit cards – Phone order – Fax order – Mail orders |
| Payment plans |
One time payment ($249.99) |
One time payment ($350) |
One time payment ($249.99) 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 1-3 inches% |
| Return Percentage |
Less than 0.5% |
Less than 0.5% |
Less than 1% |
Less than .5% |
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 1″ |
Up to 2″ |
| Speed of gains |
1-2 months |
1-2 months |
1.5-2 months |
1-2 months |
| Erection Enhancement |
Strong |
Strong |
Improved |
Strong |
| Stamina |
Significant |
Significant |
Strong |
Significant |
| Ejactulation Control |
Strong Control |
Strong Control |
Improved Control |
Strong Control |
| Sex Drive |
Strong |
Significant |
Strong |
Significant |
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 |
$299.99 |
$389 |
$329.95 |
$420.95 |
| Extender device alone? |
$249.99 |
$350 |
$299.95 |
$124.99 after $75 SALE! |
| Enlargement pills? |
- |
- |
1 bottle of VigRx Plus $59.95 |
- |
| Sperm volume pills? |
- |
- |
1 bottle of Semenax $59.95 |
- |
| Erection quality monitor device? |
Included |
- |
- |
- |
| Other Accessories |
$98 including… Post-stretch cream Moisturizer – Exercise lubricant – Cleaning kit – Roaring Tiger virility |
- |
- |
X4 Labs Cleansing and Moisturizing Kit for Improved Results – Includes a Specially Designed Girth Edition Base – Exclusive 3-in-1 Hybrid Support System |
| 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 |
$570.99 |
$538.85 |
$459.84 |
$620.85 |
| Actual cost of total package |
$299.99 |
$389.00 |
$329.95 |
$420.95 |
| Savings |
$271.00 |
$149.85 |
$129.89 |
$200.00+ |
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 |
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| How Extenders Work |
Extender Device Reviews |
148 positives
4 negatives
