Drag the sliders to model different campaign sizes and add-on revenue scenarios
Original pledges collected on Kickstarter$1,300,000
$100K$5M
Add-on revenue (pledge manager stage)$500,000
$100K$1M
Shopify Advanced plan: $399/mo × 2 = $798
Processing rate: ~2.5% on all add-ons
Kickstarter PM
NATIVE / IN-HOUSE
KS platform fee on add-ons (5%)$25,000
Processing on add-ons (~2.5%)$12,500
Fee on original $1,300,000already paid
Subscriptionfree
TOTAL$37,500
BackerKit
THIRD-PARTY PM
Campaign fee on original pledges (tiered)$17,375
Transaction fee on add-ons (3.5%)$17,500
Processing on add-ons (~2.5%)$12,500
Subscriptionfree
TOTAL$47,375
Shopify Advanced
E-COMMERCE PLATFORM
Store credit fee on original pledges (0.6%)$7,800
Shopify Payments on add-ons (2.5%)$12,500
Advanced plan (2 × $399)$798
Dev / apps (conservative est.)~$2,500
TOTAL (excl. dev/apps)$25,088
Total fees — platform + processing
Kickstarter PM$37,500
KS PM
BackerKit$47,375
BackerKit
Shopify Advanced~$25,088
Shopify
Fee breakdown by category
Kickstarter PM$37,500
BackerKit$47,375
Shopify Adv.$25,088
Platform/transaction fee
Processing (2.5%)
Store credit fee (Shopify only)
Subscription
Notes: BackerKit campaign fee is tiered on original pledge total (2% up to $50K → 1.25% above $1M) and updates dynamically with the slider. Processing ~2.5% is an estimate (Stripe/Shopify Payments rate for standard cards; premium/international cards cost more). Shopify store credit fee (0.6%) applies to stores created on or after May 12, 2025. Dev/app costs for Shopify not included in totals but are a real consideration.
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