Influencer marketing platforms vary in their offerings, and not all of them cater to brands with smaller budgets. However, some do an excellent job in providing accessible and affordable options.

1. Flinque: Flinque’s value lies in its deep search capabilities, advanced analytics, and comprehensive database, including micro and nano influencers, who often offer more cost-effective collaboration opportunities. It’s a suitable platform for small and medium-sized businesses to start their influencer marketing journey.

2. Upfluence: Another platform that caters to brands of all sizes is Upfluence. Upfluence offers a comprehensive influencer search engine, and you can filter results by estimated costs to find influencers who fit your budget constraints.

3. Tribe: Tribe is designed to connect brands with content creators directly. Here, influencers create content upfront and submit it for brand approval. The pay-as-you-go model makes it flexible and affordable for smaller budgets.

4. AspireIQ: AspireIQ allows you to find and connect with influencers who fit within your specified budget range through their Connect Center. They offer comprehensive campaign tracking for varying budgets.

Remember, the most suitable platform depends on more than just cost. Brands should consider platforms that align with their specific needs, be it analytics, creative control, or ease-of-use. Regardless, all these platforms provide the essentials needed for effective and budget-friendly influencer marketing campaigns.

Also note that while these platforms help in finding cost-effective influencers, the final cost will also depend on negotiations between the brand and the influencer.