PlainInvoice vs PostLaunchKit
Both compete in Productivity.
In short
PlainInvoice and PostLaunchKit are both listed in LetsLaunch's Productivity category. Both are free. PlainInvoice launched on 15 Sep 2026 and has 33 upvotes; PostLaunchKit launched on 26 Oct 2026 with 4 upvotes. Both carry a dofollow link from LetsLaunch.
- Shared category
- Productivity
- Pricing
- PlainInvoice: free · PostLaunchKit: free
- Launched
- PlainInvoice: 15 Sep 2026 · PostLaunchKit: 26 Oct 2026
- Upvotes
- PlainInvoice: 33 · PostLaunchKit: 4
- Link from LetsLaunch
- PlainInvoice: dofollow · PostLaunchKit: dofollow
Head-to-head
| PlainInvoice | PostLaunchKit | |
|---|---|---|
| Pricing | Free | Free |
| Rating | No reviews yet | No reviews yet |
| Upvotes | 33 | 4 |
| Categories | Productivity, Finance | AI, Developer Tools, Productivity |
| Platforms | Web | Web |
| Launched | 15 Sep 2026 (2026-W38) | 26 Oct 2026 (2026-W44) |
| Link from LetsLaunch | dofollow | dofollow |
| Verified badge | Verified | Verified |
Overview
PlainInvoice
- Who it's for
- Freelancers and small businesses looking for a quick invoicing solution.
- Problem it solves
- Creating invoices can be time-consuming and often requires signing up for services.
PostLaunchKit
- Who it's for
- Anyone looking for free tools and projects.
- Problem it solves
- Users often struggle to find reliable free tools and projects that suit their needs.
Use cases
PlainInvoice
- Generate invoices
- Download PDF invoices
- Add client details
- Customize invoice items
- Share invoice link
PostLaunchKit
- Find free tools
- Submit a product
- Check SEO readiness
- Explore AI tools
- Browse developer utilities
Verdict
- Both are free, so price alone won't separate them.
- PlainInvoice has drawn more upvotes on LetsLaunch (33 to 4) — traction here, not a quality verdict.
- PlainInvoice launched first, on 15 Sep 2026; PostLaunchKit followed on 26 Oct 2026.
By their makers' own account, PlainInvoice is for “Freelancers and small businesses looking for a quick invoicing solution” and PostLaunchKit is for “Anyone looking for free tools and projects”. Whichever of those describes you is the better place to start; the rows above settle price, platform and traction.
Frequently asked questions
Which is cheaper, PlainInvoice or PostLaunchKit?
Neither is cheaper on paper: both are free on their LetsLaunch listings.
Which launched first on LetsLaunch?
PlainInvoice launched first, on 15 Sep 2026; PostLaunchKit followed on 26 Oct 2026.
Do PlainInvoice and PostLaunchKit get a dofollow link from LetsLaunch?
PlainInvoice's is dofollow; PostLaunchKit's is dofollow. A launch publishes with a nofollow link that turns dofollow once the product's own site shows the LetsLaunch badge, or straight away on a paid Premium launch. Upvotes never change it.