Comparison

1Ci vs Invoice Maker + Bill Generator

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

Head to head
About

1Ci

Create and send professional invoices and estimates quickly from your mobile device. Ideal for freelancers and small businesses, it allows for easy client setup, item saving, and PDF generation for sharing via email or other platforms.

Highlights
  • Create invoices and estimates
  • Generate professional PDF invoices
  • Email or share invoices
  • Convert estimates to invoices
  • Apply discounts
  • Set up clients from contacts
Features
Read full description

Easy invoicing for small business owners, freelancers and contractors. Invoice and Estimate on the Go Send an invoice or estimate directly from the client. Our mobile app is perfect for on-the-go invoicing. Enter all the details you need, including tax, discounts, and more. Save items for faster invoicing later. Save your time Easy and quickly create professional Invoices and Estimates wherever you are. With a customer, between jobs, or at home. Convert estimates to invoices with one click. Share With Invoice Maker, you'll be invoicing your customers in no time and sending professional PDF invoices with ease. Share, email or print your invoices. Accept credit card payments as well as cash, check, Paypal and others. Look professional Always look professional and stay organized. Features - Create Invoice or Estimate for any your product or service - Create a PDF Invoice or estimate with a built-in PDF invoice generator - Email or share your Invoices or estimates - Send Estimates to your customers, then convert them to Invoices later - Discount on item or total - Quickly set up clients from your phone contact list - And more... For support, send email sbm@1c.ru Privacy policy: https://sbm.1c.ru/about/privacy/

About

Invoice Maker + Bill Generator

Create and send unlimited invoices, estimates, quotes, and receipts for free. This app simplifies bookkeeping for small businesses and freelancers with customizable designs, secure cloud backup, and flexible payment options. Generate professional documents in seconds and manage all your transactions in one place.

Highlights
  • Unlimited invoice creation
  • Customizable invoice design
  • Generate estimates and quotes
  • Create and send receipts
  • Secure cloud backup
  • Flexible payment methods
  • PDF report export
Features
Read full description

FREE Unlimited Invoice Maker—Invoice24: The #1 Award-Winning App for Small Businesses Send unlimited invoices, estimates, quotes and receipts for FREE. Discover a powerful yet easy-to-use invoice maker trusted by over 3,000,000 business owners and freelancers across over 170 countries. Need Invoices, Estimates, Quotes & Receipts? Here’s How Invoice24 Simplifies Your Bookkeeping • Easily create custom invoices, estimates and quotes using the best FREE invoice maker app. • Save time and money - send business invoices in seconds with a quick 5-minute setup. • Send out invoices via WhatsApp, text, email and download PDF files. • Get quotes, agreements, and proposals signed directly in-app. • Generate receipts on the go with the fast and simple receipt maker. Unlike other invoice apps, Invoice24 enables you to create and send professional business invoices, estimates, quotes and receipts within seconds, all for free. Simply input your customer details, add invoice items, review, and hit send! Invoice24 supports businesses across all industries—freelancers, contractors, tradespeople, digital services, and more. Secure Cloud-Based Invoice Maker for Your Business Invoice24 keeps your data secure with cloud backup, so your invoices and transaction details are accessible anytime, anywhere, via secure login credentials. FEATURES FOR BUSINESS OWNERS: Simplify Invoicing, Estimates, Quotations & Proposals Easy Invoice Maker & Estimate App Create and send invoices, quotes or estimates in seconds. Get real-time notifications for paid and outstanding invoices. Save time by setting up recurring invoices. Create Estimates for your Clients When the job is done, convert estimates into invoices with a tap. Track invoices to keep up with every payment. Customisable Invoice Design Personalise your professional invoices. Add necessary tax fields, include customer details, and choose invoice items to fit your business needs. Add a logo for your business. Sync the colour of your logo to your invoice. Quotation Maker Create a quote template for your project. Share quotes with your customer and save it for invoicing. Convert a quotation into an invoice within seconds. Fast One-Click Receipt Maker Quickly generate and send receipts once payments are recorded in the app. You’ll be prompted as soon as a payment is logged. Simple PDF Report Export Export PDF reports for invoices, estimates, and payment summaries. Organise reports by month, customer, or item to streamline accounting and bookkeeping. Flexible Payment Methods Handle simple or complex transactions and billing effortlessly. Accept payments via American Express, Visa, MasterCard, PayPal, and more. Send instant receipts and manage all payments in one app. Detailed Invoice Reporting for Reconciliation and Accounting Track income, prepare taxes, and manage bookkeeping with intuitive transaction reports. Use them to guide business decisions. Comprehensive App Support Get active support with responses within 12 hours. Why Choose Invoice24? Invoice24 is the most flexible, all-in-one custom invoice maker and estimate app for freelancers and small businesses. Automate payment reminders, get paid faster, and stay on top of your records with ease. Additional Features of Invoice24 • Invoice hours worked, services rendered, and products sold. • Convert estimates into invoices effortlessly. • Send receipts in just two clicks. • Add credit card surcharges for clients if needed. • Accept payments via credit cards and other popular methods. • Automatic sync across all devices. • Import customer details directly from your contact list. • Call or email clients straight from the app’s customer list. • Schedule automatic overdue payment reminders. Make bookkeeping, accounting and invoicing easier than ever with Invoice24—your trusted invoice, estimate, quote and receipt maker app. We always want to hear from you! Please email us with feedback at: hello@i24app.com https://i24app.com

Screenshots

1Ci4 screens
Invoice Maker + Bill Generator4 screens

Verdict

The call

1Ci and Invoice Maker + Bill Generator both sit at 5.0 stars, but that hides the real split: 92% of Invoice Maker + Bill Generator's written reviews are positive against 0% of 1Ci's. Invoice Maker + Bill Generator also leads on update cadence (every 2 weeks vs every 17 months). 1Ci's advantage is iOS requirement (9.0 vs 15.1). On price, rating, ratings volume and ads there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for 1Ci against 5.0 for Invoice Maker + Bill Generator. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews are what separate them: 0% of 1Ci's written reviews are positive against 92% of Invoice Maker + Bill Generator's.

UpkeepUpdate frequency

1Ci ships an update every 17 months, Invoice Maker + Bill Generator every 2 weeks. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 7 level
1Ci versus Invoice Maker + Bill Generator: the parameters behind the verdict, then further details
Parameter1CiInvoice Maker + Bill Generator
PriceFreeFree
Rating5.0 (5 ratings)5.0 (4 ratings)
Positive reviews0.0% of reviews92.1% of reviews — better
Number of ratings5 — better4
Update frequencyEvery 17 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.0 — better15.1
Further details — not scored
Size120 MB92 MB
Age rating4+4+
Developer1C-SOFT LIMITED LIABILITY COMPANYi24 Limited

Customer experience

1Ci

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Invoice Maker + Bill Generator

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews38 reviews
Positive92.1%
Neutral0.0%
Negative7.9%

In-app purchases

None

1Ci

No in-app purchases

None

Invoice Maker + Bill Generator

No in-app purchases

Questions

Is 1Ci free?
1Ci is free to download, with no in-app purchases.
Is Invoice Maker + Bill Generator free?
Invoice Maker + Bill Generator is free to download, with no in-app purchases.
Which has better reviews, 1Ci or Invoice Maker + Bill Generator?
1Ci and Invoice Maker + Bill Generator are both rated 5.0 out of 5 on the App Store, from 5 and 4 ratings respectively.
Do 1Ci or Invoice Maker + Bill Generator have ads?
Neither 1Ci nor Invoice Maker + Bill Generator shows ads.
Which is updated more often, 1Ci or Invoice Maker + Bill Generator?
1Ci ships an update every 17 months, and Invoice Maker + Bill Generator every 2 weeks. Most recently, 1Ci was updated on October 6, 2026 and Invoice Maker + Bill Generator on October 13, 2026.

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