Invoice Koi vs ServiceM8: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Invoice Koi and ServiceM8 side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Invoice Koi
Create on-site estimates, capture signatures, and turn them into invoices offline
Best for you if:
- • One- and two-person trade businesses that quote and invoice jobs from a phone on site
ServiceM8
Smart job management software for contractors and service businesses to streamline operations and get more work done.
Best for you if:
- • You want optimized iOS app for speed and ease of use
| At a Glance | Invoice Koi | ServiceM8 |
|---|---|---|
Starts at | Free plan, paid from $8.33/mo, billed yearly Yearly plan | Free plan, paid from $29/mo, billed monthly Starter plan |
Category | Invoicing Estimating & Takeoff | Field Management Invoicing |
Rating | n/a | 4.3/5 Capterra 4.5 · SourceForge 4.3 · G2 3.8 393 reviews |
Free plan | Yes | Yes |
Choose Invoice Koi or ServiceM8?
Choose Invoice Koi if
- One- and two-person trade businesses that quote and invoice jobs from a phone on site
- You want create on-site estimates, capture signatures, and turn them into invoices offline
- You work in invoicing, not field management
Choose ServiceM8 if
- You want optimized iOS app for speed and ease of use
- You want significant increase in job completion rates (30% in 3 months)
- You work in field management, not invoicing
In-Depth Analysis
Invoice Koi
Create on-site estimates, capture signatures, and turn them into invoices offline
Invoice Koi's pricing is fair for tradespeople needing on-site invoicing.
Key features
ServiceM8
Smart job management software for contractors and service businesses to streamline operations and get more work done.
ServiceM8 offers a generous Free tier, making it highly accessible for very small operations.
Strengths
- Pro: Optimized iOS app for speed and ease of use.
- Pro: Significant increase in job completion rates (30% in 3 months).
- Pro: Comprehensive features covering the entire job lifecycle.
- Pro: Automated client communication improves customer service.
- Pro: Flexible pricing plans including a free tier.
Weaknesses
- Con: Full functionality is optimized for Apple devices, Android app is 'Lite'.
- Con: Additional charges for SMS messaging on the free plan.
- Con: Higher job limits and advanced features are in more expensive plans.
Key features
Plans and prices: Invoice Koi vs ServiceM8
| Tool | Plans and prices | Source |
|---|---|---|
| Invoice Koi |
| invoicekoi.com read Oct 29, 2026 |
| ServiceM8 |
| servicem8.com/pricing read Nov 1, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Invoice Koi pricing and ServiceM8 pricing.
Key Takeaways
Invoice Koi
- Choose if you want create on-site estimates, capture signatures, and turn them into invoices offline
ServiceM8
- Choose if you want smart job management software for contractors and service businesses to streamline operations and get more work done
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only ServiceM8 has a published user rating (4.3/5 from 393 reviews); Invoice Koi has none we can show.
- Entry prices are not ranked, they are charged on different bases: Invoice Koi $8.33/mo, billed yearly; ServiceM8 $29/mo, billed monthly.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Invoice Koi and ServiceM8 compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only ServiceM8 has a published user rating (4.3/5 from 393 reviews); Invoice Koi has none we can show. Entry prices are not ranked, they are charged on different bases: Invoice Koi $8.33/mo, billed yearly; ServiceM8 $29/mo, billed monthly. Both have a free plan.
What are Invoice Koi and ServiceM8 used for?
Invoice Koi: Create on-site estimates, capture signatures, and turn them into invoices offline. ServiceM8: Smart job management software for contractors and service businesses to streamline operations and get more work done.
What does Invoice Koi cost vs ServiceM8?
Invoice Koi's cheapest paid plan is Yearly at $8.33/mo, billed yearly; it also has a free plan. ServiceM8's cheapest paid plan is Starter at $29/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Nov 1, 2026.
What's the main difference between Invoice Koi and ServiceM8?
Invoice Koi focuses on create on-site estimates, capture signatures, and turn them into invoices offline. ServiceM8's main strength: optimized iOS app for speed and ease of use.