Best Cell Phone SIM Cards Under $100 (2026)
We ranked under-(price varies) SIMs by a value score combining data per period, network tech (5G/4G), plan length, and intended use (travel, data-only, or unlimited)
The Verdict
- Best Overall: Mint Mobile 3-month SIM plan with 5GB/month 5G/4G LTE data + unlimited talk & text — Best for light monthly users: 5GB/month 5G/4G plan with three-month duration for basic talk, text, and data needs
- Best Value: China Unicom 5G Data SIM Card (20GB) + 300 Minutes + 300 Texts — Best budget international option: 20GB data plus voice and texts on a China Unicom 5G-ready travel SIM
Top Picks
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1
Best Overall Mint Mobile 3-month SIM plan with 5GB/month 5G/4G LTE data + unlimited talk & text
Best for light monthly users: 5GB/month 5G/4G plan with three-month duration for basic talk, text, and data needs
3 months of unlimited talk/text plus 5GB monthly data on a 5G network. Includes 3-in-1 SIM and BYOP activation. One customer note highlights easy setup and value
- 3 months of service
- 5GB monthly data
- 3-in-1 SIM with BYOP
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2
Mint Mobile 3-month SIM plan with unlimited talk, text & data
Best for unlimited mobile use: three-month plan offering unlimited talk, text, and data for sustained everyday connectivity
Mint Mobile SIM kit includes 3-in-1 SIM for standard/micro/nano sizes with 3 months of unlimited talk, text, and data on a 5G network. 10GB hotspot, Wi-Fi calling/text, and international calls to Mexico and Canada noted; 7-day money-back guarantee. Customer insight mentions easy setup and value, with mixed performance reports
- 3-in-1 SIM card
- 3 months of unlimited talking, texting, data
- 10GB hotspot included
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3
Mint Mobile 3-month plan with 15GB 5G/4G LTE data, unlimited talk & text
Best for moderate data users: three-month plan with 15GB of 5G/4G LTE data and unlimited talk and text
Mint Mobile SIM kit offers three months of unlimited talk and text with 15GB monthly 5G/4G LTE data. Includes 3-in-1 SIM compatible with BYOP; 7-day money back guarantee noted by customers
- 15GB monthly 5G-4G LTE data
- 3 months of service
- BYOP with 3-in-1 SIM
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4
Mint Mobile 3-month SIM plan with 20GB/month 5G-4G LTE
Best for heavier mobile data: 20GB per month on a three-month 5G/4G LTE plan for streaming and hotspoting
3 months of unlimited talk and text plus 20GB monthly 5G-4G LTE data. Includes a 3-in-1 SIM and BYOP activation. Customer feedback highlights value and easy installation, with mixed service quality in some areas
- 20GB monthly data on 5G-4G LTE
- 3 months of unlimited talk/text
- 3-in-1 SIM with BYOP support
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5
Best Value China Unicom 5G Data SIM Card (20GB) + 300 Minutes + 300 Texts
Best budget international option: 20GB data plus voice and texts on a China Unicom 5G-ready travel SIM
China Unicom 5G SIM card with 20GB data, 300 minutes talk, and 300 texts. Easy setup and fast internet speed noted by customers
- 5G physical SIM (NOT eSIM)
- free incoming calls & texts
- 30 days initial validity (extendable)
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6
EIOTCLUB Data Only SIM Card Triple Play 6GB 90 Days
Best for short-term data devices: 6GB data-only SIM active for 90 days ideal for cameras and IoT devices
Six GB data for 90 days on US networks, suitable for IoT devices, security cameras, solar, and hunting trail cameras. Customers note easy setup and strong connectivity across networks
- multi-network coverage
- 6GB data 90 days
- easy setup
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7
Plug and Play Europe Travel SIM Card 52 Countries
Best for multi-country Europe travel: single SIM covering 52 countries with hotspot-enabled data for travelers
Prepaid data SIM for Europe and beyond with 5G/4G high-speed data. Data use only, no calls or texts, with hotspot support. Customer notes connectivity and family communication while using it
- works in 52 countries
- hotspot-enabled data
- no activation needed
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8
Japan 180 Days Data SIM Card (Docomo) 50GB LTE
Best for extended Japan stays: 50GB LTE data on a Docomo-network SIM with 180-day validity for long visits
Japan SIM Card with 180 days data, 50GB high-speed LTE and unlimited data at reduced speed. Easy setup with guidance and hotspot tethering included. Customers report easy installation and solid connectivity in Tokyo
- 50GB high-speed data
- 180-day duration
- docomo network connectivity
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9
China Unicom 5G physical SIM with 90GB data, 600 min, 600 texts + 3-in-1 adaptor
Best high-capacity China plan: 90GB of data plus ample voice and texts with a physical SIM and adapter included
China Unicom 5G physical SIM card with 90GB data, 600 minutes talk and 600 texts. Includes 3-in-1 adaptor; 90-day initial validity with recharge options. Customer note: easy setup and fast internet speed after landing in Shanghai
- 90GB data + 600 min talk + 600 texts
- 5G physical SIM (not eSIM)
- 3-in-1 adaptor included
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10
6GB 12-month data SIM for unlocked cameras, 4G/5G
Best for low-data device monitoring: 6GB spread over 12 months for cameras and long-term sensor use on 4G/5G
Data-only SIM for security, solar, and trail cameras with 6GB valid for 12 months. Supports 4G/5G on AT&T, T-Mobile, US Cellular & Verizon; no phone number or voice. Customers note easy installation and good signal strength
- 6GB data valid for 12 months
- 4G/5G on major US networks
- data-only meets security camera needs