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Best Callr Alternatives in 2026

12 apps from transactional SMS software ranked against Callr on the same published basis.

  1. 1
    Mailchimp Free plan WebiOSAndroid Free6.9
    Callr vs Mailchimp
  2. 2
    BulkGate Free trial AndroidapiWeb 6.7
    Callr vs BulkGate
  3. 3
    Clickatell SMS API Free plan apiWeb Free6.6
    Callr vs Clickatell SMS API
  4. 4
    Gupshup Free plan apiWeb Free6.6
    Callr vs Gupshup
  5. 5
    Telnyx Text-to-Speech API Free plan apiWeb $500/mo6.6
    Callr vs Telnyx Text-to-Speech API
  6. 6
    Bird Verify Free plan apiWeb Free6.5
    Callr vs Bird Verify
  7. 7
    2Factor.in OTP API Free plan Web ₹4,999/mo6.3
    Callr vs 2Factor.in OTP API
  8. 8
    Textbelt Free plan Free6.3
    Callr vs Textbelt
  9. 9
    MoceanAPI Free trial apiWeb 6.2
    Callr vs MoceanAPI
  10. 10
    Plivo SMS API Free trial apiWeb $0.01/mo6.2
    Callr vs Plivo SMS API
  11. 11
    SMSPortal Free plan Web $0.08/mo6.2
    Callr vs SMSPortal
  12. 12
    Vonage SMS API Free trial AndroidapiiOSWeb 6.2
    Callr vs Vonage SMS API
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