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Head-to-head · Referral Marketing Software

Cello vs ViralSweep

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Cello #6 in Referral Marketing Software 8.2/10 Free plan Free plan✓ 3 of 3 features Visit Cello
ViralSweep #10 in Referral Marketing Software 7.8/10 7-day trial Free trial✓ 3 of 3 features Visit ViralSweep

Cello leads on 1 check, ViralSweep on 1, and 3 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCello · 8.2/10
  • Lowest starting priceViralSweep · $41/mo
  • Free planonly Cello
  • Free trialonly ViralSweep

Cello scores higher on our rubric for referral marketing software: 8.2 against 7.8 out of 10; our editors rank them #6 and #10.

Cello offers free plan; ViralSweep doesn't. ViralSweep is cheaper to start at $41/mo against $80/mo.

Cello is the better fit for teams needing web and mobile referral coverage. ViralSweep is the better fit for brands combining referrals with promotional contests.

  • Cello fits best

    Teams needing web and mobile referral coverage

  • ViralSweep fits best

    Brands combining referrals with promotional contests

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Cello 8.2/10 Visit ↗ ViralSweep 7.8/10 Visit ↗
At a glance
Editor score 8.2 7.8
Ranking #6 in Referral Marketing Software #10 in Referral Marketing Software
Best for Teams needing web and mobile referral coverage Brands combining referrals with promotional contests
Pricing model Free plan + paid Paid
Starting price $80/mo $41/mo (best)
Free plan ✓ (best) —
Free trial — 7 days
Deployment Cloud, Mobile Cloud
Platforms Web, iOS, Android Web
Integrations 7 integrations 20 integrations
Features Cello 3/3 · ViralSweep 3/3
Referral links ✓ ✓
Referral codes ✓ ✓
Fraud controls ✓ ✓
Specs
Reward payouts PayPal, Venmo prizes, bonus entries
Attribution window Not checked yet Not checked yet
Participant limit 5 participants Not checked yet
Our review
Pros
  • Supports web, iOS, Android, and API implementations
  • Automates attribution, reward calculation, payouts, and fraud detection
  • Connects with Stripe, HubSpot, Salesforce, and other business systems
  • Referral links, milestones, bonus entries, and configurable prizes
  • Sweepstakes, contests, giveaways, and instant-win campaign support
  • Spam filtering, bot detection, IP controls, and verification codes
Cons
  • The Free plan allows one partner campaign and five transacting partners
  • User Referrals Grow costs $200 per month, above the $80 starting price
  • Enterprise plans list custom SLAs without a monthly price
  • No permanent free plan; listed plans include a 7-day trial
  • Referral attribution duration and participant caps are not specified
  • Referral-by-email appears among higher-tier features
Our verdict

Cello is referral marketing software for SaaS companies running user referral and partner programs. It places referral components and launchers inside web and mobile products, creates personal attributable links, and tracks signups and…

Read the review →

ViralSweep is a web-based promotion platform for brands, marketers, and agencies running referral campaigns alongside sweepstakes, contests, giveaways, waitlists, and instant-win promotions. It supports referral links with configurable…

Read the review →
  1. CelloReferral Marketing Software 8.2Free plan
  2. ViralSweepReferral Marketing Software 7.87-day trial

Strengths and trade-offs

  • Cello — where it wins

    • Supports web, iOS, Android, and API implementations
    • Automates attribution, reward calculation, payouts, and fraud detection
    • Connects with Stripe, HubSpot, Salesforce, and other business systems

    Where it doesn't

    • The Free plan allows one partner campaign and five transacting partners
    • User Referrals Grow costs $200 per month, above the $80 starting price
    • Enterprise plans list custom SLAs without a monthly price

  • ViralSweep — where it wins

    • Referral links, milestones, bonus entries, and configurable prizes
    • Sweepstakes, contests, giveaways, and instant-win campaign support
    • Spam filtering, bot detection, IP controls, and verification codes

    Where it doesn't

    • No permanent free plan; listed plans include a 7-day trial
    • Referral attribution duration and participant caps are not specified
    • Referral-by-email appears among higher-tier features

More comparisons

All referral marketing software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update