Ab Belt Guide: Comparison of the Best

No. 1 Flex Belt

Flex Belt has the highest intensity level varying from 1 to 150 with 10 built-in workout programs. In clinical trials performed at the University of Wisconsin, 100% of participants have improved ab muscle tone and strength while 92.3 % noticed increase in firmness of their abs. It is designed to deliver extremely effective ab contractions all in just 30 minutes a day at least 5 times a week. In conjunction with a healthy diet and regular exercise, it will lead to a flat stomach and six pack abs.

The belt is designed to be discreet for your comfort and convenience and is a one-size-fits-all. Flex Belt can easily be concealed under your clothing so you can use it anywhere you go, whatever you do. It also uses rechargeable batteries so there is no frequent need to buy new set of batteries.

Interestingly, this belt has some remarkable similarities with Slendertone and that is because Slendertone is actually the manufacturer of Flex Belt. Nevertheless, Slendertone does not offer Flex Belt from their website. There are certain points that differentiate both ab belts though. First, Flex Belt with 1 to 150 intensity levels is 50% stronger than Slendertone System Abs which can only be adjusted from 1 to 99. Flex Belt has 10 built-in programs while Slendertone has only 7. The price also makes a huge difference since Flex Belt is more expensive to produce. Packed with features and benefits like no other, it is expected to be on the expensive side.

Flex Belt has garnered heaps of favorable feedback from actual users. It is also very popular among celebrities, professional athletes, and the press. To know what people are saying about this ab belt, check out our in-depth review on Flex Belt.

To try Flex Belt, you may go to its official website where you can take advantage of the 60-day money back guarantee, 2 year warranty, and special bonuses.

Side-by-side Comparison

Brand Effectiveness Features Price Rating Recommended Place
to Buy the Product
Flex Belt 4.5 / 5 stars Buy Flex Belt
Contour Ab Belt 4 / 5 stars
Slendertone 3.5 / 5 stars Buy Slendertone


It is clear based on each product’s strengths and weaknesses that Flex Belt is the one to beat. It has a lot better features including but not limited to the highest intensity levels, rechargeable batteries, and a sleek yet low-profile design which can be easily concealed under clothing. It also has clinical trials proving its efficiency, and user experiences that are more on the positive side.

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