STC vs Mobily vs Salam vs Zain Fiber Comparison 2026: Speeds, Pricing, and Coverage

If you are comparing Saudi Arabia's four national broadband providers and asking, "Which operator—STC, Mobily, Salam, or Zain—delivers the best usable fiber price and performance at my address in 2026?", the data-backed answer depends on your target speed bracket and contract preference: Salam leads high-speed value by offering 500 Mbps at 345.00 SAR/month and 1 Gbps (1000 Mbps) at 460.00 SAR/month—exactly half the 920–949 SAR gigabit price of its competitors. Zain offers the lowest monthly tariff at the popular 300 Mbps tier (Zain Fiber Home Plus at 279.00 SAR/month) and ties with Salam for the fastest 500 Mbps upload (200 Mbps upstream on Zain Premium at 389.00 SAR), paired with an 18-month contract. Mobily captures the lowest postpaid entry point in the Kingdom (Mobily Fiber Postpaid 200 at 230.00 SAR/month) and the most flexible prepaid fiber terms (1-month commitment), while STC (Baity Fiber) combines the Kingdom's largest foundational footprint and competitive 287.50 SAR/month 300 Mbps Basic pricing with multi-tier entertainment bundles.

Because the Open Access (الوصول المفتوح) wholesale framework regulated by the Communications, Space and Technology Commission (CST) allows all four licensed operators to provision service over shared neighborhood optical cabinets, Saudi households can evaluate providers on objective commercial and technical merit rather than street-level monopoly. Below is our comprehensive, non-promotional 2026 comparison built strictly from verified CST tariff cards.

1. Non-Ranked Comparison Methodology: Why the "Best" Operator Depends on Your Address and Workload

No single telecom operator is universally superior for every household across Riyadh, Jeddah, Dammam, Khobar, or Makkah. In a modern FTTH (Fiber-to-the-Home) deployment, your internet connection consists of two distinct architectural layers:

1. The Shared Local Optical Access Layer (Last-Mile GPON): Stretching from the Optical Network Terminal (ONT) inside your living room through the exterior wall Optical Distribution Box (ODB) and street cabinet (FDT) to the local Optical Line Terminal (OLT). When your neighborhood is served via CST Open Access, all four retail ISPs ride over the exact same passive glass fiber strand and optical splitter port on your building.
2. The Operator Core Network and International Peering Layer: Once traffic leaves the neighborhood OLT via wholesale L2 bitstream handoff and enters your chosen ISP's core network, real engineering differences emerge. Each operator manages its own submarine cable capacity, regional IXP peering, local CDN caches (Netflix Open Connect, Google Global Cache, Shahid, Akamai), and BGP routing policies toward European and Middle Eastern gaming servers.

Consequently, an honest 4-operator evaluation must examine five verifiable dimensions: VAT-inclusive monthly price, provisioned upload speed per tier, contract lock-in duration (12 vs. 18 months vs. prepaid), included Wi-Fi 6 and FTTR room-fiber hardware, and core network routing consistency.

2. Master 4-Operator Postpaid Fiber Comparison Table (Verified 2026 Tariffs)

The matrix below compiles the verified 2026 postpaid FTTH tariffs across STC, Mobily, Salam, and Zain. All prices include the mandatory 15% ZATCA Value-Added Tax (VAT), and every plan is 100% unlimited (has_fup: false) with a Wi-Fi 6 Gigabit Router included:

You can filter and compare any combination of these plans interactively on our 4-operator broadband comparison tool.

3. Deep-Dive Analysis: Pricing Spreads, Upload Speed Ratios, and Bundle Structures

Examining the verified catalog side by side uncovers four crucial commercial and technical distinctions that directly impact your wallet and daily network performance:

• Massive Price Divergence at 500 Mbps and 1 Gbps: At the 300 Mbps level, pricing across three of the four providers clusters tightly between 279.00 SAR (Zain) and 287.50 SAR (STC Basic & Salam), with Mobily Postpaid 300 at 345.00 SAR. Above 300 Mbps, however, the pricing philosophies diverge sharply. Salam prices its 500 Mbps plan at 345.00 SAR/month (saving 57.50 to 115 SAR/month versus STC and Mobily) and prices Salam Fiber 1000 (1 Gbps) at 460.00 SAR/month. Because STC Baity Fiber Max (920.00 SAR), Mobily Fiber Postpaid 1GB (920.00 SAR), and Zain Fiber Home Black (949.00 SAR) sit above 900 SAR, Salam cuts the annual cost of a 1000/300 Mbps connection by 5,520 SAR per year.
• Upload Speed Differences in the 500 Mbps Tier: While all four operators standardize 300 Mbps plans at 100 Mbps upload and 1 Gbps plans at 300 Mbps upload, the 500 Mbps bracket splits into three distinct upstream tiers: Standard 125 Mbps Upload on STC Baity Fiber 500 / Stream / Entertainment, Mobily Fiber Postpaid 500, and Salam Fiber 500; Enhanced 150 Mbps Upload on Mobily Fiber Gamers (500/150 Mbps at 402.50 SAR); and High-Capacity 200 Mbps Upload on Zain Fiber Home Premium (500/200 Mbps at 389.00 SAR) and Salam Fiber Gaming (500/200 Mbps at 399.00 SAR)—providing 60% more upstream capacity for livestreamers, cloud videographers, and multi-user households.
• Pure Bandwidth vs. Entertainment Bundles at STC and Legacy Tiers at Zain: In STC's lineup, four separate postpaid packages share the exact same 500 Mbps download / 125 Mbps upload optical profile: Baity Fiber Stream (402.50 SAR), Baity Fiber Entertainment (460.00 SAR), Baity Fiber Stream Pro (575.00 SAR), and Baity Fiber Entertainment Pro (690.00 SAR). The price steps reflect bundled entertainment subscriptions and hardware add-ons rather than faster line speeds—so if you only want raw 500 Mbps connectivity on STC, Baity Fiber Stream (402.50 SAR) or Baity Fiber 500 Prepaid (402.50 SAR) avoids paying up to 287.50 SAR/month for unused TV add-ons. Similarly, in Zain's catalog, legacy 100 Mbps (398 SAR) and 200 Mbps (478 SAR) listings remain on file for older accounts, whereas new subscribers should go straight to Zain Fiber Home Plus 300 (279 SAR) or Premium 500 (389 SAR).
• Flat-Rate Tariff Stability (Zero Promotional Teaser Traps): Every plan in the verified 2026 catalog carries promo_sar_vat_inc: null, meaning published prices are consistent, full-term monthly tariffs inclusive of 15% VAT under ZATCA rules, protecting subscribers from deceptive teaser rates that spike midway through the contract.

4. Contract Commitments, Prepaid Fiber Options, and FTTR Multi-Room Packages

Beyond monthly postpaid rates, each operator structures contract duration, prepaid flexibility, and multi-room optical wiring differently:

• Postpaid Commitment Terms (12 Months vs. 18 Months): STC, Mobily, and Salam standardize all postpaid FTTH and FTTR plans on a 12-month commitment, whereas Zain requires an 18-month commitment across its postpaid fiber plans (zain-fiber-home-plus, premium, gaming, and black). In exchange for those extra six months of commitment, Zain undercuts the market at 300 Mbps (279 SAR) and 500/200 Mbps (389 SAR).
• Prepaid Fiber Comparison (No Monthly Invoices): For tenants in short-term leases or buyers who prefer upfront payment without long commitments, Mobily Home Fiber Prepaid leads with a 1-month commitment at 287.50 SAR for 300 Mbps, 345.00 SAR for 400 Mbps, 402.50 SAR for 500 Mbps, and 920.00 SAR for 1 Gbps—making Mobily's 300 Mbps prepaid plan 57.50 SAR/month cheaper than its 345.00 SAR postpaid counterpart. Salam Fiber Prepaid uses a 6-month commitment at 287.50 SAR (300 Mbps), 345.00 SAR (500 Mbps), and 460.00 SAR (1000 Mbps). STC Baity Fiber Prepaid also uses a 6-month commitment at 287.50 SAR (300 Mbps) and 402.50 SAR (500 Mbps), while Zain Fiber Home Basic Prepaid offers 300/100 Mbps at 287.50 SAR/month equivalent on a 12-month commitment.
• FTTR (Fiber-to-the-Room) Packages for Large Saudi Villas: For multi-story concrete villas where a single Wi-Fi 6 router cannot reach every bedroom, three operators publish dedicated FTTR (is_fttr: true) tariffs in our verified Saudi fiber plans directory: Salam Home FTTR offers 300 Mbps at 345.00 SAR, 500 Mbps at 402.50 SAR, and 1000 Mbps at 575.00 SAR; Mobily Home FTTR offers 400 Mbps at 402.50 SAR, 500 Mbps at 460.00 SAR, and 1 Gbps at 920.00 SAR; and STC Baity Fiber Plus FTTR offers 500/125 Mbps at 488.75 SAR.

5. Open Access Cabinets, Gaming Routing, and Real-World Network Quality

A frequent question among Saudi subscribers is: "If the metal ODB box on my villa wall belongs to STC (Dawiyat/Tawal) or Mobily, will ordering Salam or Zain over Open Access degrade my speed or reliability?"

From a physical optical engineering standpoint, the local GPON access link is identical regardless of retail ISP. The optical laser budget (typically -15 dBm to -24 dBm at the ONT) and the provisioned downstream/upstream profile at the neighborhood OLT follow strict wholesale SLA rules enforced by CST. Where operators differentiate themselves is higher up the stack:

• Gaming Routing and Low-Latency Profiles: Quarterly CST Meqyas (مقياس) broadband quality reports consistently show all four fiber operators delivering sub-12 ms domestic latency inside Saudi Arabia. For international matchmaking on European servers, specialized gaming plans—Zain Fiber Home Gaming 300 (339 SAR), Salam Fiber Gaming 500 (399 SAR), and Mobily Fiber Gamers 500 (402.50 SAR)—apply optimized BGP peering and higher upstream headroom to minimize jitter.
• Address Qualification and Port Provisioning: When you order via Open Access, your retail provider coordinates wholesale port activation with the physical cabinet owner while supplying its own Wi-Fi 6 router and customer support. You can check which operators are active at your building right now via our Saudi fiber coverage checker and review optical architecture details on our FTTH fiber guide page.

6. How the Four Operators Compare on 5G Home Wireless When Fiber Ports Are Unavailable

If an address check reveals that your street does not yet have an active FTTH cabinet or all splitter ports on your building's ODB box are currently occupied, the same four operators compete aggressively in 5G Fixed Wireless Access (FWA) as an instant, zero-trenching alternative:

• Salam HomeFi 5G: Offers the lowest entry tariff in the Kingdom with Salam HomeFi 140 (140/30 Mbps) at 217.35 SAR/month, HomeFi 200 (200/40 Mbps) and Salam 5G Wireless Home (300/50 Mbps) at 287.50 SAR/month, and HomeFi Max 5G (500/100 Mbps) at 345.00 SAR/month (12-month commitment).
• Zain 5G Home: Leads gigabit wireless value with Zain 5G Max Home (1000/200 Mbps) at 299.00 SAR/month (12m commitment) and Zain 5G Home Pro (400/50 Mbps) at 287.50 SAR/month (12m), alongside Zain 5G+ Home Basic (100/25 Mbps) at 228.85 SAR/month (18m).
• Mobily Home 5G: Starts at 230.00 SAR/month for 100/25 Mbps, 287.50 SAR/month for 200/50 Mbps or 300/50 Mbps Wireless Home, 345.00 SAR/month for 300/60 Mbps, and 402.50 SAR/month for Mobily Home 5G Unlimited (500/100 Mbps).
• STC Baity 5G: Starts at 287.50 SAR/month for Baity 5G Home (300/50 Mbps) and 402.50 SAR/month for Baity 5G Unlimited (500/100 Mbps), and uniquely offers 1-month commitment eSIM-only plans (299.00 SAR for 200/40 Mbps Basic eSIM and 402.50 SAR for 500/100 Mbps Unlimited eSIM) for users who already own an unlocked 5G CPE router.

Even so, whenever a physical optical port is available at your address, FTTH remains superior to 5G FWA for zero evening congestion, deterministic sub-10 ms gaming ping, and immunity to weather or concrete wall attenuation.

Frequently Asked Questions: STC vs Mobily vs Salam vs Zain Fiber

Which fiber operator is the cheapest in Saudi Arabia in 2026?

It depends on the speed tier: Mobily has the lowest overall postpaid fiber entry price with Mobily Fiber Postpaid 200 at 230.00 SAR/month. At 300 Mbps, Zain Fiber Home Plus is the cheapest at 279.00 SAR/month (18-month contract), closely followed by STC Baity Fiber Basic 300, Salam Fiber 300, and Mobily Prepaid 300 at 287.50 SAR/month. At 500 Mbps (345.00 SAR) and 1 Gbps (460.00 SAR), Salam is the most affordable operator by a wide margin.

Why is Mobily Fiber 300 Prepaid (287.50 SAR) cheaper than Mobily Fiber 300 Postpaid (345 SAR)?

In Mobily's verified 2026 tariff structure, the postpaid 300 Mbps plan remains listed at 345.00 SAR/month on a 12-month contract, whereas Mobily Home Fiber Prepaid 300 is priced at 287.50 SAR/month with only a 1-month commitment. Similarly, Mobily Prepaid 500 costs 402.50 SAR versus 460.00 SAR on postpaid—making Mobily's prepaid fiber lineup a smart money-saving choice.

Which Saudi fiber provider offers the fastest upload speed for creators and streamers?

At the 500 Mbps tier, Zain Fiber Home Premium (389.00 SAR/month) and Salam Fiber Gaming (399.00 SAR/month) both deliver 200 Mbps upload speed, followed by Mobily Fiber Gamers (402.50 SAR/month) at 150 Mbps upload, whereas standard 500 Mbps plans provide 125 Mbps upload. At the 1 Gbps tier, all four operators provide 300 Mbps upload.

Can I switch from STC to Salam, Mobily, or Zain using the same wall fiber box?

Yes. Under CST's Open Access regulations, once your current 12- or 18-month contract commitment ends, you can switch to any participating fiber operator serving your cabinet without running a new exterior street cable. The new operator provisions your service over the existing ODB port and installs its own Wi-Fi 6 router.

How do home relocation requests work across the four fiber operators?

All four operators allow subscribers to request a home fiber relocation to a new National Address via their official apps or support channels. If your new residence has an active fiber ODB with free splitter ports, your existing contract transfers seamlessly; if technical verification confirms that optical fiber is unavailable at the new address, CST consumer protection rules govern contract termination or technology migration without unfair penalties.