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Head-to-head · Mobile Proxy Services

4G Proxies USA vs CellMast

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score 4G Proxies USA #3 in Mobile Proxy Services 9.2/10 Paid ✓ 3 of 3 features Visit 4G Proxies USA
CellMast #7 in Mobile Proxy Services 8.8/10 Paid ✓ 3 of 3 features Visit CellMast

4G Proxies USA leads on 0 checks, CellMast on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest score4G Proxies USA · 9.2/10

4G Proxies USA scores higher on our rubric for mobile proxy services: 9.2 against 8.8 out of 10; our editors rank them #3 and #7.

4G Proxies USA is the better fit for US carrier-specific dedicated mobile proxies. CellMast is the better fit for low-cost rotating or regional dedicated mobile access.

  • 4G Proxies USA fits best

    US carrier-specific dedicated mobile proxies

  • CellMast fits best

    Low-cost rotating or regional dedicated mobile access

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Side by side

Feature 4G Proxies USA 9.2/10 Visit ↗ CellMast 8.8/10 Visit ↗
At a glance
Editor score 9.2 8.8
Ranking #3 in Mobile Proxy Services #7 in Mobile Proxy Services
Best for US carrier-specific dedicated mobile proxies Low-cost rotating or regional dedicated mobile access
Pricing model Paid Paid
Starting price $4 one-time $2.63/device one-time
Free plan — —
Free trial — —
Deployment Cloud, Mobile Cloud
Platforms Web, iOS, Android Web
Support Email, Live chat · 24/7 Email
Built for Solo, Small business, Mid-market Solo, Small business, Mid-market, Enterprise
Features 4G Proxies USA 3/3 · CellMast 3/3
Sticky sessions ✓ ✓
API access ✓ ✓
Carrier selection ✓ ✓
Specs
Mobile network 4g/5g 4g/5g
Rotation mode Custom Custom
Geo-targeting level Carrier Carrier
Concurrent sessions Not checked yet Not checked yet
Our review
Pros
  • Dedicated AT&T, T-Mobile or Verizon line per customer
  • Unlimited data with per-request, timed and sticky rotation
  • HTTP(S), SOCKS5 and UDP plus city selection and API controls
  • Rotating mobile pool starts at $1.50 per GB
  • Country targeting and carrier selection for dedicated ports
  • HTTP, HTTPS CONNECT and SOCKS5 with API-based rotation
Cons
  • No free plan; access starts at a paid two-hour term
  • Refund window is one hour for day passes and 24 hours for week/month plans
  • Coverage is limited to supported US carriers and metros
  • No free plan or card-based trial
  • Cryptocurrency top-ups are required
  • Support is limited to email
Our verdict

4G Proxies USA provides dedicated mobile proxy lines on AT&T, T-Mobile and Verizon networks. Customers select a carrier, city and device, then connect through HTTP(S) or SOCKS5, with UDP also supported. Unlimited data, configurable…

Read the review →

CellMast, operated by ProxyGoat LLC, provides cloud-based mobile proxy access through rotating 4G/5G carrier IPs and dedicated modem ports. It suits solo users, small teams, mid-market organizations and enterprises that need…

Read the review →
  1. 4G Proxies USAMobile Proxy Services 9.2Paid
  2. CellMastMobile Proxy Services 8.8Paid

Strengths and trade-offs

  • 4G Proxies USA — where it wins

    • Dedicated AT&T, T-Mobile or Verizon line per customer
    • Unlimited data with per-request, timed and sticky rotation
    • HTTP(S), SOCKS5 and UDP plus city selection and API controls

    Where it doesn't

    • No free plan; access starts at a paid two-hour term
    • Refund window is one hour for day passes and 24 hours for week/month plans
    • Coverage is limited to supported US carriers and metros

  • CellMast — where it wins

    • Rotating mobile pool starts at $1.50 per GB
    • Country targeting and carrier selection for dedicated ports
    • HTTP, HTTPS CONNECT and SOCKS5 with API-based rotation

    Where it doesn't

    • No free plan or card-based trial
    • Cryptocurrency top-ups are required
    • Support is limited to email

More comparisons

All mobile proxy services comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update