
Code Effects is the fastest and most intuitive .NET business rules engine trusted by government entities and Fortune 500 corporations all over the world

Jobber
FreshBooks
Square Invoices
HouseCall Pro
Invoice2go
Fieldpaid
Invoice Ninja
FieldNudge sends automatic, polite payment reminders so small service businesses get their invoices paid — without playing debt collector.

Website, pricing, platforms and company facts side by side.
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| Website | codeeffects.com | fieldnudge.com |
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| Company | 2009 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Code Effects Software is the developer of state-of-the-art business rules engine that combines an incredible performance of rule evaluation with revolutionary web interface, allowing the end-users to author and manage their corporate business rules with no knowledge of programming languages or IT...
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As answered by people managing Code Effects and FieldNudge.
FieldNudge's answer:
FieldNudge is early-stage and serves small businesses and independent service pros. Our users span commercial cleaning, landscaping, IT services, and freelance professionals across the US.
FieldNudge's answer:
Unlike full accounting platforms, FieldNudge focuses on one thing: getting invoices paid. It never touches customer money (no payment processing), so there is no reconciliation and no processing fees. The polite, automatic reminder cadence stops the moment a customer marks paid -- no awkward follow-ups, no playing debt collector.
FieldNudge's answer:
Jobber, Housecall Pro, and FreshBooks are full business suites that are overkill if you just need invoices paid. FieldNudge is simpler, cheaper at 9 to 19 dollars per month versus 40 to 200 plus, and does not hold your money or charge processing fees. You keep using whatever payment method already works for you.
FieldNudge's answer:
Small service businesses and independent pros: commercial cleaners, landscapers, IT service providers and MSPs, pest control, HVAC, plumbers, window washers, pressure washers, fire safety companies, and freelancers who send invoices and hate chasing unpaid ones.
FieldNudge's answer:
Built by a solo founder who saw small service business owners spending hours chasing late payments instead of doing actual work. The insight: sending invoices is easy but nobody has a system for the follow-up. FieldNudge automates the awkward part so owners get paid without playing debt collector.
FieldNudge's answer:
React for the frontend, Supabase for backend and database, Resend for email delivery, and Stripe for subscription billing. Hosted on Vercel.
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it is useful ,save me a lot time