Square Appointments vs Sling
Two scheduling tools side by side. Prices are the starting plan a small business would pick, in USD.
Short version
Sling fits retail shop, restaurant or café, agency or studio, trades or contractor, online store.
Square Appointments fits service business.
| Compare | Square AppointmentsBlock | SlingToast |
|---|---|---|
| In one line | Free booking with unlimited staff calendars and Square payments | Free shift scheduling for up to 30 staff, from the Toast team |
| Starting price | Free | Free up to 30 users |
| Six-person team | $0/mo | $0/mo |
| Plans | Free $0/mo per location; Plus $49/mo per location; Premium $149/mo per location; in-person 2.6% + 15¢ on Free (2.5%/2.4% on Plus/Premium); online 3.3% + 30¢ on Free | Free for up to 30 users (scheduling, messaging); per user: Premium $1.70/mo billed yearly, $2 monthly (time tracking, labor costs); Business $3.40 yearly, $4 monthly (kiosk clock, PTO, payroll reports) |
| Pricing model | Free tier | Free tier |
| Free trial | — | 15 days |
| Users | Unlimited staff calendars | Up to 30 free |
| Both connect to | No shared connections on record. | |
| Also connects to | None in our catalog | None in our catalog |
| Team size | Just me · 2–10 people · 11–50 people | 2–10 people · 11–50 people |
| Available in | US · UK · CA · AU | US |
| Phone support | Every plan (US) | None listed |
| Live chat | Plans not stated | None listed |
| Support hours | Phone: 6am–6pm PT M–F for the first 90 days (Square Free only), 6am–6pm PT M–F (Square Plus only), 24/7 (Square Premium only) | Not published |
| Incidents posted | 14 incidents posted on Block's status page, which covers all Block products and regions, in the 90 days to Oct 27, 2026; 0 marked major or critical by Block. Status page | We found no public status page for Toast. |
| Capterra score | 4.5 / 5 from 263 reviews | 4.6 / 5 from 212 reviews |
| Fit: Retail shop | 50 | 82 |
| Fit: Restaurant or café | 15 | 92 |
| Fit: Service business | 90 | 65 |
| Fit: Agency or studio | 30 | 40 |
| Fit: Trades or contractor | 45 | 60 |
| Fit: Online store | 20 | 35 |
| Why people pick it |
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| Where it falls short |
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| Visit Square Appointments | Visit Sling | |
Six-person prices are what a team of six would pay on the published plans; "Not listed" means those plans don't cover six. How we calculate prices
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