Auto-updated: July 15, 2026 · Data refreshes whenever either brand receives new reviews, offers or score changes.
Current Discount Codes
Grounded Kiwi
No active offers. Check all coupons
Groundz
Groundz rewards new email subscribers with a 10% welcome discount — code NCSU10OFF at checkout, appl…
✓ Verified · No expiry
4-Dimension Scorecard
| Dimension | Grounded Kiwi | Groundz |
|---|---|---|
| Trust Score (0–100) | 73.01/100WIN | 61.01/100 |
| Verified Reviews | 1 · ★5 | 1 · ★4 |
| Product Range | 1 products | 1 products |
| Active Offers | 0 offers | 1 offersWIN |
| Overall Winner | 1 win(s) | 1 win(s) |
Full Side-by-Side Comparison
- Founded by Blake — an 18-year New Zealand firefighter who needed grounding solutions that worked for physically demanding, high-stress lifestyles
- NZ's only WorkSafe audited grounding mat — the only brand in the GroundingMatrix index with independent government-level safety verification
- 35,000+ New Zealand customers with a 4.9 average rating — the largest NZ domestic grounding customer base in the index
- Only 0.5% of orders returned — among the lowest return rates GroundingMatrix has seen across any grounding brand
- Three distinct conductive technologies across three product lines — copper rivets (sandals), GroundSync™ carbon-infused rubber (slip-ons), BIOS clay-copper composite (sneakers)
- The only brand in the GroundingMatrix grounding footwear index that explicitly combines all four barefoot shoe principles simultaneously: zero-drop, wide toe box, thin flexible sole, no toe spring
- Natural materials prioritised across the full range — wool, cork, leather, castor bean oil — over synthetic alternatives
- Four grounding sock formats — ankle, half-cut toe, low-cut toe, no-show — in single through 10-pack quantities — the most comprehensive grounding sock range in the index
Products at a Glance
About the Brands
Grounded Kiwi
The Founding Story That Makes This Brand Different GroundingMatrix has reviewed grounding brands founded by massage therapists, athletes, brothers who believed in the product, and entrepreneurs who saw a market opportunity. Grounded Kiwi was found…
Full profile →Groundz
Barefoot Shoes and Grounding — A More Coherent Pairing Than Most Brands Acknowledge Grounding footwear in the GroundingMatrix index ranges from dedicated grounding shoes that prioritise the conductive mechanism over footwear design to standard sho…
Full profile →Frequently Asked Questions
Which is better: Grounded Kiwi or Groundz?
Grounded Kiwi and Groundz are evenly matched across our four comparison dimensions.
What are the trust scores for Grounded Kiwi and Groundz?
Grounded Kiwi has a Matrix Trust Score of 73.01/100 and Groundz scores 61.01/100, calculated from product ratings, review volume, and active offer activity.
Which brand has more verified reviews?
Both brands have a similar number of verified reviews.
Do these brands have current discount codes?
Grounded Kiwi has 0 active offer(s) and Groundz has 1 active offer(s). See the offers section above.
