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Head-to-head · Peer-to-Peer Texting Software

RumbleUp vs Solidarity Tech

  • Updated Sep 2026
  • Both researched from official sources
  • 3 checks side by side
RumbleUp #2 in Peer-to-Peer Texting Software 7.0/10 From $19/mo · 14-day trial ✓ 1 of 2 features Visit RumbleUp

RumbleUp leads on 0 checks, Solidarity Tech on 1, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Most featuresSolidarity Tech · 2 of 2

RumbleUp and Solidarity Tech score identically on our rubric (7.0 out of 10) for peer-to-peer texting software; RumbleUp sits at #2 and Solidarity Tech at #4 in our editorial ranking, so the choice comes down to fit.

Solidarity Tech offers shared team inbox; RumbleUp doesn't publish it.

RumbleUp is the better fit for teams needing a full-featured P2P texting suite. Solidarity Tech is the better fit for nonprofits needing broad engagement workflows.

  • RumbleUp fits best

    Teams needing a full-featured P2P texting suite

  • Solidarity Tech fits best

    Nonprofits needing broad engagement workflows

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature RumbleUp 7.0/10 Visit ↗ Solidarity Tech 7.0/10 Visit ↗
At a glance
Editor score 7.0 7.0
Ranking #2 in Peer-to-Peer Texting Software #4 in Peer-to-Peer Texting Software
Best for Teams needing a full-featured P2P texting suite Nonprofits needing broad engagement workflows
Pricing model Paid Paid
Starting price Not published Not published
Free plan — —
Free trial — —
Deployment Cloud, Desktop, Mobile Cloud, Mobile
Platforms Web Web
Support Email, Docs Email, Live chat, Docs
Compliance 2FA GDPR, SSO/SAML
Integrations 5 integrations 5,000+ integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features RumbleUp 1/2 · Solidarity Tech 2/2
Shared team inbox Not published ✓ (best)
Automated opt-in tools ✓ ✓
Specs
Messages included Not published Not published
SMS/MMS support Sms and mms Sms and mms
Contact capacity Not published Not published
CRM integrations Native Native
Our review
Pros
  • Unlimited users and texters with permission controls
  • Opt-in workflows, automation, segmentation, and analytics
  • Messaging API, webhooks, CRM, Slack, and Zapier integrations
  • Combines peer-to-peer, broadcast, two-way SMS, and MMS messaging
  • Supports opt-in automation, shared inboxes, and multilingual messages
  • Offers broad integrations, API access, webhooks, and SAML
Cons
  • Web-based platform only
  • Usage charges apply alongside the monthly fee
  • High-volume pricing requires contacting sales
  • No free plan; access is organized across paid tiers
  • Texting adds usage pricing per SMS segment and MMS message
  • Advanced features such as AI and SSO require higher tiers
Our verdict

RumbleUp is a web-based peer-to-peer texting platform for political campaigns, nonprofits, advocacy groups, fundraising teams, and other organizations. It supports human-sent SMS and MMS conversations at scale, with tools for team…

Read the review →

Solidarity Tech is an organizing CRM for unions, nonprofits, advocacy organizations, and political campaigns. Its peer-to-peer texting tools cover two-way SMS and MMS, textbanking, broadcast text blasts, shared inbox workflows, templates…

Read the review →
  1. RumbleUpPeer-to-Peer Texting Software 7.0From $19/mo · 14-day trial
  2. Solidarity TechPeer-to-Peer Texting Software 7.0Paid

Strengths and trade-offs

  • RumbleUp — where it wins

    • Unlimited users and texters with permission controls
    • Opt-in workflows, automation, segmentation, and analytics
    • Messaging API, webhooks, CRM, Slack, and Zapier integrations

    Where it doesn't

    • Web-based platform only
    • Usage charges apply alongside the monthly fee
    • High-volume pricing requires contacting sales
  • Solidarity Tech — where it wins

    • Combines peer-to-peer, broadcast, two-way SMS, and MMS messaging
    • Supports opt-in automation, shared inboxes, and multilingual messages
    • Offers broad integrations, API access, webhooks, and SAML

    Where it doesn't

    • No free plan; access is organized across paid tiers
    • Texting adds usage pricing per SMS segment and MMS message
    • Advanced features such as AI and SSO require higher tiers

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026