DunnerThree overdue reminder emails you can copy and send
Enter client, amount, days overdue, and tone. Dunner drafts a Friendly, Firm, and Final reminder email plus a primary draft for the tone you picked. It does not send email or run collections for you.
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Key takeaways
- Always returns three emails: Friendly, Firm, and Final
- Primary draft matches the tone you select
- Copy-ready subject + body for each step
Dunner — decision-support themes
Honest capability chips — not fabricated customer counts or uptime stats.
Dunner - definition
Dunner turns client, amount, days overdue, and tone into three ready-to-copy reminder emails (Friendly, Firm, Final) plus a primary draft for your selected tone. You paste into your own email. This page does not send mail or act as a collections agency.
What this is NOT
- Not a law firm, GRC platform, or certification body.
- Not a guarantee that outputs will satisfy every regulator or auditor.
- Not a substitute for qualified human review on high-stakes decisions.
Controller / Processor — When packs mention privacy roles, we use GDPR Art.4 labels (decision-support only).
Where teams get stuck without Dunner
Always returns three emails: Friendly, Firm, and Final
Without reliable always returns three emails: friendly, firm, and final, work stays inconsistent and gaps show up after ship.
Primary draft matches the tone you select
Without reliable primary draft matches the tone you select, work stays inconsistent and gaps show up after ship.
Copy-ready subject + body for each step
Without reliable copy-ready subject + body for each step, work stays inconsistent and gaps show up after ship.
Verify checklist before you send
Without reliable verify checklist before you send, work stays inconsistent and gaps show up after ship.
Describe. Review. Ship with Dunner
Three overdue reminder emails you can copy and send
Always returns three emails: Friendly, Firm, and Final
Always returns three emails: Friendly, Firm, and Final — deterministic and exportable. Decision-support, not a certificate.
Primary draft matches the tone you select
Primary draft matches the tone you select — deterministic and exportable. Decision-support, not a certificate.
Copy-ready subject + body for each step
Copy-ready subject + body for each step — deterministic and exportable. Decision-support, not a certificate.
Verify checklist before you send
Verify checklist before you send — deterministic and exportable. Decision-support, not a certificate.
Everything you need to ship faster
Always returns three emails: Friendly, Firm, and Final
Use Dunner to always returns three emails: friendly, firm, and final.
Primary draft matches the tone you select
Use Dunner to primary draft matches the tone you select.
Copy-ready subject + body for each step
Use Dunner to copy-ready subject + body for each step.
Verify checklist before you send
Use Dunner to verify checklist before you send.
From idea to result in 3 steps
Input
Describe your goal in plain language.
Process
Dunner structures the work and runs the workflow.
Ship
Copy, export, or upgrade for 40 runs/day · 300/mo.
Where teams use Dunner
Three overdue reminder emails you can copy and send
Always returns three emails: Friendly, Firm, and Final
Use Dunner to always returns three emails: friendly, firm, and final.
Try it on this page
or generate below.
Saved history
What you get on the free tier
Try it on this page
Enter your own numbers in the Studio and see the result immediately - no account, no credit card.
Deterministic by default
Every check runs from a versioned rule set with severity levels and concrete remediation steps, not guesswork.
Pay only if you need more
Free tier covers casual use. Upgrade for higher volume, saved history and export when your workload grows.
Honest boundaries
Dunner turns client, amount, days overdue, and tone into three ready-to-copy reminder emails (Friendly, Firm, Final) plus a primary draft for your selected tone. You paste into your own email. This page does not send mail or act as a collections agency. Decision-support only — not a certificate, legal opinion, or conformity assessment.
Simple plans that scale
All paid plans include
- Always returns three emails: Friendly, Firm, and Final
- Primary draft matches the tone you select
- Copy-ready subject + body for each step
- Email support on paid plans — no hidden add-ons for core studio use
- Limited daily AI runs (3/day · 15/mo)
- Studio demo (no extra LLM fee)
- 40 AI runs/day · 300/mo
- No separate AI subscription required
- Priority support · 2 months free with yearly
Feature comparison
What each plan includes — quotas reflect the enforced fair-use limits.
| Dimension | Free | Pro | Enterprise |
|---|---|---|---|
| Usage | |||
| AI runs | 3/day · 15/mo | 40/day · 300/mo | 200/day · 3,000/mo |
| Report export | Watermarked | Clean export | Clean export |
| Audit log | Not included | ✓ Included | ✓ Included |
| Product | |||
| Always returns three emails: Friendly, Firm, and Final | ✓ Included | ✓ Included | ✓ Included |
| Primary draft matches the tone you select | ✓ Included | ✓ Included | ✓ Included |
| Copy-ready subject + body for each step | ✓ Included | ✓ Included | ✓ Included |
| Verify checklist before you send | ✓ Included | ✓ Included | ✓ Included |
| BYOK (your LLM key) | Not included | Not included | ✓ |
| SSO | Not included | Not included | Roadmap |
| Support & compliance | |||
| Support | Community | Priority | Custom SLA |
Already paid? Unlock Pro with your license
Licenses are issued manually after your payment is confirmed: we generate one per paid order and send it to the purchase email, typically within a few hours. Enter it below to activate Pro on this device — no account needed. Nothing yet? Write to lixingliangsy@163.com and reference your order email.
Your questions, answered
What is Dunner?
A tool that drafts three overdue invoice reminder emails from client, amount, days overdue, and tone.
How many reminders do I get?
Always three: Friendly, Firm, and Final, plus a primary draft for the tone you selected.
Does it send the email?
No. You copy the draft into your own mail client.
Can I pick the tone?
Yes. Friendly, Firm, or Final sets which draft is highlighted as primary.
Who should use Dunner?
Freelancers and small shops who want polite payment reminders without awkward blank pages.
Is this a collections service?
No. Drafts only — not collections, not legal demand letters.
Which countries and regions can I use Dunner in?
As a cloud web app, Dunner is reachable from any country with internet access; there is no region lock by default. Payment availability via our merchant of record (Waffo Pancake) may vary by processor and region.
Is Dunner GDPR and privacy compliant?
Your inputs are used only to generate your output and are never sold. Retention, sub-processors, and your rights are described on our Privacy page; Enterprise plans can include a DPA and NDA on request.
What languages does Dunner support?
The interface and generated results are in English. You can paste input in other major languages wherever the underlying model understands them.
Quick answers
- Client, amount, days overdue, tone.
- Three emails: Friendly, Firm, Final.
- Primary draft matches your tone.
- Does not send email or collect for you.
- Free is 3 AI runs / day and 15 / month.
How it compares
| Dimension | Manual | Dunner |
|---|---|---|
| Speed | You write each nudge | Three drafts in one run |
| Escalation | Easy to sound harsh | Friendly → Firm → Final ladder |
| Sending | Your mailbox | Copy only — no auto-send |
| Best for | Legal collections | Polite first reminders |
When not to use: When you need automated sending, payment links, or a collections agency.
- chase late invoices without awkwardness 2026 — From the Dunner blog.
- three tone invoice reminders 2026 — From the Dunner blog.
- Fleet launch notes — Dunner ships in the LX AI Micro-SaaS fleet.
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