# What pairs well with Trackdesk > Trackdesk is a referrals tool, and a team running it still has 6 neighbouring categories to staff. The pick in each is Paddle for subscription billing, Mailchimp for email service providers, Unbounce for landing page builders, Google Analytics 4 for GTM analytics, Trustpilot for testimonials & social proof and Collabstr for influencer & creator marketing, each the leading tool in that category on published criteria. - Profile: https://saastracker.org/products/trackdesk - Category: Affiliate & Referral Programs (https://saastracker.org/categories/affiliate-referral) - Web version: https://saastracker.org/products/trackdesk/stack ## The stack, category by category | Category | Ideal pairing | Because | Benefit | | --- | --- | --- | --- | | Subscription Billing | [Paddle](https://saastracker.org/products/paddle) (Category Leader) | Trackdesk sends buyers elsewhere for US W-9 collection and 1099 filing handled for them. Paddle adds 5 percent rate. | Recurring revenue bills, retries and reconciles itself, including the tax nobody wants to calculate. | | Email Service Providers | [Mailchimp](https://saastracker.org/products/mailchimp) (Category Leader) | Trackdesk is built for referrals, not ESPs. Mailchimp adds Customer Journey Builder. | An opt-in audience is owned rather than rented, and reaching it costs nothing per send. | | Landing Page Builders | [Unbounce](https://saastracker.org/products/unbounce) (Category Leader) | Trackdesk is built for referrals, not landing pages. Unbounce adds sixteen years of category focus. | A campaign page ships the same afternoon without waiting on an engineer. | | GTM Analytics | [Google Analytics 4](https://saastracker.org/products/google-analytics) (Category Leader) | Trackdesk lists there is no free tier among its limits. Google Analytics 4 adds data-driven attribution across Google and non-Google channels. | Spend gets attributed to revenue, so the channel that works is the one that gets funded. | | Testimonials & Social Proof | [Trustpilot](https://saastracker.org/products/trustpilot) (Category Leader) | Trackdesk is built for referrals, not social proof. Trustpilot adds real institutional durability. | Real customer proof sits on the pages where people decide, not only on a review site. | | Influencer & Creator Marketing | [Collabstr](https://saastracker.org/products/collabstr) (Ease of Use) | Trackdesk lists the Business tier's $30,000 monthly program revenue cap means a growing among its limits. Collabstr adds you can hire for real on the free plan. | Creators get found, briefed and paid on performance, rather than on a flat fee and hope. | ### Paddle for Subscription Billing Trackdesk sends buyers elsewhere for US W-9 collection and 1099 filing handled for them. Paddle adds 5 percent rate. Recurring revenue bills, retries and reconciles itself, including the tax nobody wants to calculate. Paddle Billing is a real subscription platform with proration, pauses, multi-item subscriptions, trials, and coupons, not a thin recurring charge wrapped around a checkout. Creem holds Best Value in the same category, and is the swap to make when the budget matters more than the ceiling. ### Mailchimp for Email Service Providers Trackdesk is built for referrals, not ESPs. Mailchimp adds Customer Journey Builder. An opt-in audience is owned rather than rented, and reaching it costs nothing per send. Predictive lifetime value and purchase likelihood, plus send time optimization, are capabilities most competitors at this price do not offer at all. Sender holds Best Value in the same category, and is the swap to make when the budget matters more than the ceiling. ### Unbounce for Landing Page Builders Trackdesk is built for referrals, not landing pages. Unbounce adds sixteen years of category focus. A campaign page ships the same afternoon without waiting on an engineer. Smart Traffic is a real product advantage, not marketing language: per-visitor routing across variants is something almost no competitor at this price offers. Carrd holds Best Value in the same category, and is the swap to make when the budget matters more than the ceiling. ### Google Analytics 4 for GTM Analytics Trackdesk lists there is no free tier among its limits. Google Analytics 4 adds data-driven attribution across Google and non-Google channels. Spend gets attributed to revenue, so the channel that works is the one that gets funded. Free at unlimited traffic volume, which no privacy-first competitor can match once a site passes a few hundred thousand pageviews a month. Umami holds Best Value in the same category, and is the swap to make when the budget matters more than the ceiling. ### Trustpilot for Testimonials & Social Proof Trackdesk is built for referrals, not social proof. Trustpilot adds real institutional durability. Real customer proof sits on the pages where people decide, not only on a review site. The free tier is genuinely useful, with a claimed profile, unlimited public replies, and 50 invitations a month at no cost and no card. Judge.me holds Best Value in the same category, and is the swap to make when the budget matters more than the ceiling. ### Collabstr for Influencer & Creator Marketing Trackdesk lists the Business tier's $30,000 monthly program revenue cap means a growing among its limits. Collabstr adds you can hire for real on the free plan. Creators get found, briefed and paid on performance, rather than on a flat fee and hope. Published creator pricing removes the rate negotiation that stalls most first influencer campaigns, and makes budgeting possible before any conversation happens. ## FAQ ### What is the best stack to run with Trackdesk? Trackdesk is a referrals tool, and a team running it still has 6 neighbouring categories to staff. The pick in each is Paddle for subscription billing, Mailchimp for email service providers, Unbounce for landing page builders, Google Analytics 4 for GTM analytics, Trustpilot for testimonials & social proof and Collabstr for influencer & creator marketing, each the leading tool in that category on published criteria. ### What do I pair with Trackdesk for Subscription Billing? Paddle. Trackdesk sends buyers elsewhere for US W-9 collection and 1099 filing handled for them. Paddle adds 5 percent rate. Recurring revenue bills, retries and reconciles itself, including the tax nobody wants to calculate. ### How many tools do I need alongside Trackdesk? Trackdesk sits next to 6 other categories in a working referrals stack, and its own profile names the gap each one fills. Most teams staff the first two or three and add the rest as the motion grows. ### Is Collabstr worth adding alongside Trackdesk? Trackdesk lists the Business tier's $30,000 monthly program revenue cap means a growing among its limits. Collabstr adds you can hire for real on the free plan. Creators get found, briefed and paid on performance, rather than on a flat fee and hope. --- Source: SaaSTracker (https://saastracker.org), an independent editorial project. Pairings are the leading tool in each complementary category, chosen on published criteria: https://saastracker.org/methodology. Placement cannot be purchased.