Comparison

Bills Simple vs Pro Flow Referrals

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Bills Simple

Features
Read full description

Bills Simple — Professional Invoicing for Freelancers & Small Businesses Stop chasing payments. Start getting paid faster with beautiful, professional invoices you can create in under a minute. ONE APP FOR ALL YOUR BUSINESSES Running multiple ventures? No problem. Manage separate clients, invoices, and branding for each business all from one app. CREATE INVOICES IN 60 SECONDS Pick a professional template, add your logo and brand colors, enter line items with automatic calculations, and you're done. It's that simple. GET PAID YOUR WAY Accept credit cards online with integrated Stripe payments Add manual payment methods like bank transfer or cash Multi-currency support for clients worldwide STAY ORGANIZED Track every invoice from draft to paid See payment history, pending balances, and status updates at a glance Sort, filter, and find any invoice instantly Create quotes and estimates too Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://billssimple.com/privacy-policy

About

Pro Flow Referrals

Features
Read full description

ProFlow Referrals is a referral management app for contractors and the partners who send them work. Submit a referral in under a minute, follow it from first contact through to payment, and always know exactly what you have earned. FOR REFERRAL PARTNERS Send a new referral straight from your phone while you are still on site. Add the client's name and phone number, the property address, and a description of the damage or issue, then attach a photo taken with your camera or chosen from your library. After that, everything stays visible: • Track each referral as it moves through contacted, qualified, confirmed, and paid • See your total earnings, your earnings for the current year, and your referral count • Understand exactly how you get paid, with the fee breakdown shown up front • Submit your W-9 tax information securely, right inside the app • Connect your payout account and receive your money directly FOR COMPANY ADMINS Run your entire referral program from one place: • A dashboard showing active partners, open referrals, and paid referrals at a glance • A full pipeline view of every referral and its current status • Invite partners and fellow admins by email in seconds • Open any partner to review their contact details, earnings, payout status, and submitted W-9, with sensitive fields hidden until you choose to reveal them • Download a completed W-9 PDF for your records • Update referral status, assign work, and release payouts • Set your referral fee structure and operating regions YOUR COMPANY, YOUR BRAND Upload your logo and choose your primary and secondary colors. The app takes on your company's look for every partner on your team, so the experience feels like yours from the first screen. BUILT FOR THE FIELD • Sign in with your fingerprint or face after your first login • Light and dark mode, following your device setting automatically • Available in English and Spanish • Clear offline indicator so you are never guessing whether something saved • Pull to refresh anywhere, and your information updates on its own when you reopen the app GETTING STARTED ProFlow Referrals is used by invitation. If a company has invited you as a partner, sign up with the email address they invited and you will be connected to their program automatically. If you are setting up a referral program for your own company, create an account and a short guided setup will walk you through naming your company, adding your branding, setting your referral fees, connecting payouts, and inviting your team. An account is required to use this app.

Screenshots

Bills Simple4 screens
Pro Flow Referrals4 screens

Verdict

The call

The clearest difference is in-app purchases: Pro Flow Referrals at none against Bills Simple's 4. Pro Flow Referrals also leads on update cadence (every 4 days vs every 3 weeks). Bills Simple's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Bills Simple sells 4 in-app purchases, starting at $9.99 per month. Pro Flow Referrals asks for nothing beyond the download.

UpkeepUpdate frequency

Bills Simple ships an update every 3 weeks, Pro Flow Referrals every 4 days. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

Scorecard3 real differences Ā· 3 level
Bills Simple versus Pro Flow Referrals: the parameters behind the verdict, then further details
ParameterBills SimplePro Flow Referrals
PriceFreeFree
Update frequencyEvery 3 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size38 MB5 MB
Age rating4+17+
DeveloperCarlos CastilloKauai Mold ERP

In-app purchases

4 purchases

Bills Simple

Subscriptions4
  • Professionals$9.991 Month
  • Business$44.991 Month
  • Professionals Yearly$85.001 Year
Show 1 more
  • Business Yearly$299.991 Year
None

Pro Flow Referrals

No in-app purchases

Questions

Is Bills Simple free?
Bills Simple is free to download, with in-app purchases available.
Is Pro Flow Referrals free?
Pro Flow Referrals is free to download, with no in-app purchases.
Do Bills Simple or Pro Flow Referrals have ads?
Neither Bills Simple nor Pro Flow Referrals shows ads.
Which is updated more often, Bills Simple or Pro Flow Referrals?
Bills Simple ships an update every 3 weeks, and Pro Flow Referrals every 4 days. Most recently, Bills Simple was updated on October 5, 2026 and Pro Flow Referrals on October 10, 2026.

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