Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Hills, MI. Last updated April 2026.

Walking into any pharmacy, you’ll find an entire aisle of shoe inserts promising relief from heel pain, arch pain, and everything in between. Custom orthotics from a podiatrist cost significantly more. Is there a real difference — or is it just marketing? The answer depends on what’s driving your foot pain.

What Are Over-the-Counter Shoe Inserts?

Over-the-counter (OTC) insoles are mass-produced cushioning and support devices designed to fit a range of foot sizes and types. They come in several categories:

• Cushioning insoles: Add comfort through additional padding — foam, gel, or memory foam. Provide no biomechanical correction.
• Arch support insoles: Have a pre-formed arch support contour intended to prop up the medial arch. One-size-fits-most design that may or may not match the shape of your specific arch.
• Stability insoles: Semi-rigid or rigid materials with arch support — the most comparable category to custom orthotics in terms of intent, though not in precision or customization.

OTC insoles range from a few dollars to $50–70 for higher-end brands. Many patients find significant comfort improvement from quality OTC insoles for mild conditions.

What Are Custom Orthotics?

Custom orthotics (prescription foot orthoses) are medical devices prescribed by a licensed podiatrist and fabricated specifically for your feet from a 3D digital scan. The fabrication process captures the precise three-dimensional shape of your foot in neutral position, allowing the orthotic to be manufactured with:

• Exact arch height, contour, and length matched to your specific foot anatomy
• Material selection tailored to your diagnosis (rigid, semi-rigid, or soft based on condition and activity level)
• Specific modifications based on your diagnosis: heel lifts, metatarsal pads, Morton’s extensions, wedging for specific biomechanical corrections
• Footwear compatibility designed into the device

Key Clinical Differences

Precision of Correction

A custom orthotic corrects your specific biomechanical dysfunction with millimeter precision. An OTC insole provides a standardized support level that may be appropriate, insufficient, or even counterproductive for your particular foot type and pathology. For conditions driven by specific biomechanical faults — such as overpronation-related plantar fasciitis, tibialis posterior tendon dysfunction, or biomechanically-driven peroneal tendinopathy — this precision matters enormously.

Durability

Quality custom orthotics last 2–5 years with normal use. OTC insoles typically compress and lose function within weeks to months. The long-term cost-per-use often favors custom orthotics when compared to repeatedly replacing OTC products.

Insurance Coverage

Custom orthotics are covered by Medicare and most major insurance plans when medically necessary — prescribed for a documented diagnosis such as plantar fasciitis, diabetic foot complications, pes planus with symptoms, or biomechanically-related conditions. OTC insoles are never covered by insurance.

When Are OTC Insoles Appropriate?

OTC insoles can be entirely appropriate for:

• Mild, situational discomfort from long days on hard surfaces
• Mild cushioning needs in athletic footwear without specific pathology
• Temporary comfort while waiting for custom orthotic fabrication
• Patients whose symptoms fully resolve with OTC support (some will)

When Do You Need Custom Orthotics?

Custom orthotics are indicated when:

• Plantar fasciitis, Achilles tendinopathy, or other conditions have failed to respond to OTC insoles after 4–6 weeks
• The biomechanical diagnosis requires specific correction (degree of varus/valgus wedging, metatarsal unloading) not achievable with a standard device
• Diabetic foot complications require precise pressure redistribution to prevent ulceration
• The condition is recurrent — custom orthotics address root causes, not just symptoms
• Pediatric conditions require precision correction during developmental years

Custom Orthotics vs. Store-Bought Inserts — Expert Fitting in Michigan

Not sure whether you need custom orthotics or over-the-counter inserts? Our podiatrists provide biomechanical assessments and 3D-scanned custom orthotics at both our Howell and Bloomfield Hills locations.

Learn About Our 3D Custom Orthotic Program → | Book Your Appointment | Call (810) 206-1402

Clinical References

1. Banwell HA, et al. Efficacy of custom foot orthoses in improving pain and function: a systematic review. Journal of Foot and Ankle Research, 2014;7(1):1-11.
2. Mills K, et al. A randomised control trial of short-term efficacy of in-shoe foot orthoses in reducing lower limb pain. BMC Musculoskeletal Disorders, 2012;13:111.
3. Riskowski JL, et al. Measures of foot function, foot health, and foot pain. Arthritis Care & Research, 2011;63(S11):S229-S236.

Your Board-Certified Podiatrists

Dr. Tom Biernacki, DPM

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Dr. Tom Biernacki, DPM

Dr. Tom Biernacki, DPM is a double board-certified podiatrist and foot & ankle surgeon at Balance Foot & Ankle Specialists in Southeast Michigan. With over a decade of clinical experience, he specializes in heel pain, bunions, diabetic foot care, sports injuries, and minimally invasive surgery. Dr. Biernacki is a member of the APMA and ACFAS, and his patient education content on MichiganFootDoctors.com and YouTube has reached over one million views.