Shopify developer
Teff Technologies LLC
1 app in the dataset with 1 reviews in total, the oldest launched Apr 7, 2025. Competes mainly in Shipping.
Apps
1
0 Built for Shopify
Reviews in total
1
Count-weighted rating
5.00
across all rated apps
Country
US
SAINT LOUIS, MO, US
Portfolio
| # | App | Rating | Reviews | Last 180 days | From | Free plan | Trial | Built for Shopify | Launched | Category | Integrations | Tier |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  FullSent ‑ Mail Tracking AppCut shipping costs by using tracked mail. | 5.0(1) | 1 | 0 | Free plan | Yes | 7 days | No | 2025 | Shipping | USPS | New |
Contact and resources
As stated on the listings. Email addresses are not republished; only the domain.
- Website:
- teff.tech
- Support email domain:
- teff.tech
- Shopify partner page:
- apps.shopify.com/partners/teff-technologies-llc
- Resources listed:
- Privacy policy, FAQ, Tutorial, App Documentation
Data as of Oct 20, 2026, from the public Shopify App Store listing. How the numbers are computed: methodology.