Invoice2go vs Estimate Maker Flex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Invoice2go
Create and send professional invoices and estimates quickly for your small business. Track payments, manage expenses by snapping receipt photos, and get paid faster online. This tool helps freelancers and contractors stay organized and get paid on time.
- Create professional invoices and estimates
- Add business logo and branding
- Convert estimates to invoices
- Accept online payments
- Track expenses with receipt photos
- Send automatic payment reminders
- Sync across devices
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Invoice with ease using Invoice2go from BILL. Quickly create & send professional invoices for small businesses, consultants, contractors & freelancers in minutes. Invoice and accept payments with ease using Invoice2go. Set up Invoice2go Money to easily keep track of your payments and expenses in one central place. Small business owners in over 160 countries trust Invoice2go to send professional invoices and estimates to clients. Whether you need to create an invoice or quote, business receipt for your side gig, or small business, Invoice2go is the #1 free invoice app for the job. Create estimates for your clients so they’ll know what to expect. When the job is done, convert estimates into invoices with a tap and send them out. Track invoices to keep up with every payment. Create great-looking, professional invoices, and estimates, and get paid faster using one simple app. Accept all the ways your clients want to pay online. Capture your expenses as you incur them. Invoice2go is the on-the-go invoicing tool for all types of small businesses, freelancers, and contractors, from dog walkers to web designers to musicians. All of your information is automatically synced and available on your iPhone, iPad, and computer. Invoice2go has been the #1 invoice app for 10+ years and counting. Here’s why people choose Invoice2go: BUSINESS INVOICES - Invoice maker with 8 professional invoice templates optimized for easy use. - Add a logo for your business. Upload your own or create one using our custom logo designer. - Match your brand. Sync the color of your logo to your invoice. EASY INVOICES & ESTIMATES - Create and send an invoice in under 1 minute. - Make invoices without any training. If you can send an email, you can use Invoice2go. - Review your edits before you send an estimate or invoice. - iOS Widgets: Instantly see all outstanding payments from your home screen - Siri Shortcuts: Ask Siri to create invoices and estimates or to view reports ESTIMATE CREATOR - Create an estimate template for your project. - Share estimates with your client and save it for invoicing. - Convert an estimate into an invoice in seconds. FAST BILLING - Send invoices on the spot. Improve your turnaround time and save yourself the paperwork. - Accept payments instantly. Add the payments feature so clients can pay your invoices using American Express, Visa, Mastercard, Discover, Paypal, and Apple Pay. - Never miss a thing. Keep an eye on overdue invoices and send automatic payment reminders. SMALL BUSINESS ACCOUNTING - Easily track your expenses. Simply snap a photo of your receipt to safely store and claim business expenses. - Save for next time. Add expenses directly to your invoice and save recurring expenses for future use. - No more overflowing shoeboxes. Organize all of your expenses and print expense reports with one tap. STAY ORGANIZED - Know what happens to your invoice after you hit “send.” - See when customers have viewed your invoices and who still needs to make a payment. - Schedule appointments and organize your day. - Keep track of your receipts and time on the job so you can bill accurately. - Run reports and get all the information you need in one statement. Just select a client and we’ll take care of the rest. - The home screen showcases your most critical business insights, making it easier to make faster, informed decisions SUBSCRIPTION PRICING AND TERMS A subscription is required to use Invoice2go, and there’s three plans you can choose from. When you sign up, you’ll get the first 30 days free. Subscriptions automatically renew unless turned off in Account Settings at least 24 hours before end of current period. Payment is charged to your iTunes account. Unused portion of free trial is forfeited after purchase. Read more about our terms and conditions here - https://invoice.2go.com/tosInline/ Read more about our privacy policy here - https://invoice.2go.com/privacyInline/
Estimate Maker Flex
Create and send professional estimates quickly and easily. Convert estimates to invoices with a single tap. Customize titles, currencies, and date formats for a personalized touch. Works offline and supports multiple templates.
- Create and send estimates
- Convert estimates to invoices
- Customizable titles and subtitles
- Multi-currency support
- Multiple date formats
- Offline functionality
- Professional templates
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Create and send professional estimates on the spot. Turn estimates into invoices by a single tap. Close more business deals. How it works * Enter your info * Add customers manually or from Contacts * Add your products / services After that, you can create and send professional estimates instantly. Flexibility * Manually edit titles (e.g. Estimate -> estimación, Quote) * Manually edit subtitles (e.g. Billing address -> Bill to, Signature -> Approved by) * Multi-currencies (e.g. \$, £, ... Manually enter your currency code) * Date format (e.g. 04/18/2019, 18/04/2019, 18/Apr/2019) * Works without the internet * Import contacts from your existing contacts or manually create them * Payment term set up based on each customer (7 days by default) * Decimal hours or quantity supported * Five professionally designed beautiful templates * Delete items (e.g. Estimates, products, customers) by swiping to the left * Edit existing documents * Add signature and date on the spot * Icon, Signature, Note, Other comments fields won't appear if nothing is entered * Preview estimates before sending them as a PDF * Send as a PDF or print wirelessly * Create 5 estimates for free Professional Features * Add business registration name (ABN etc.) and number * Tax, GST, VAT set up (e.g. No tax, single tax, compound tax) * Add discount (Actual \$ or %) * Payment terms (Immediate, 7 days, 14 days, 21 days,... up to 180 days) * Add your company logo ### Mobility * Send directly from iPhone and iPad * Your personal estimate system in your pocket ### Upgrade to Subscription Version The subscription version offers cloud sync and backup features so that you can save all the info in our highly secured cloud services and share the same data across multiple iOS devices. Upgrading to the subscription version requires auto-renewal subscription. Payment will be charged to your Apple ID account at the confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Links to Your Privacy Policy and Terms of Use: http://www.btoj.com.au/privacy.html http://www.btoj.com.au/terms.html Please feel free to contact us for anything. Simplify your life now.
Screenshots
Verdict
Invoice2go and Estimate Maker Flex both sit at 4.8 stars, but that hides the real split: 97% of Estimate Maker Flex's written reviews are positive against 54% of Invoice2go's. Estimate Maker Flex also leads on iOS requirement (13.0 vs 15.0). Invoice2go's advantage is ratings volume (55K vs 101) and chart position (#17 vs unranked). On price, rating, update cadence 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
Both are free to download. Invoice2go sells 10 in-app purchases, starting at $7.95 per month and Estimate Maker Flex sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.8 for Invoice2go against 4.8 for Estimate Maker Flex. That said, the two scores are not equally well evidenced: Invoice2go has 55K ratings behind it against 101, so its average is the more settled of the two. Written reviews are what separate them: 54% of Invoice2go's written reviews are positive against 97% of Estimate Maker Flex's.
Invoice2go ships an update fortnightly, Estimate Maker Flex every 9 days. The most recent releases landed on September 26, 2026 and September 22, 2026 respectively.
| Parameter | Invoice2go | Estimate Maker Flex |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (55K ratings) | 4.8 (101 ratings) |
| Positive reviews | 54.2% of reviews | 97.2% of reviews — better |
| Number of ratings | 55K — better | 101 |
| Update frequency | Fortnightly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #17 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 180 MB | 99 MB |
| Age rating | 4+ | +4 |
| Developer | Invoice2go.com | B TO J PTY LTD |
Customer experience
Invoice2go
Estimate Maker Flex
User reviews
Invoice2go
From 55K App Store ratingsWhat we love
- 🚀 Easy to use
- 👍 Customizable invoices
- 🚀 Quick invoicing
- 👍 Helpful for small businesses
- 🚀 Seamless integration
Room to improve
- 🐛 Frequent crashes and glitches
- 💰 Expensive subscription fees
- 🔒 Security and privacy concerns
- 🐛 Unreliable syncing and data loss
- 👎 Poor customer support
Estimate Maker Flex
From 101 App Store ratingsWhat we love
- 👍 Easy to use
- 🚀 Efficient for creating estimates
- 👍 Practical and functional
- 👍 Professional-looking estimates
- 👍 Helpful for business growth
Room to improve
- ❓ Translation not complete
- ❓ A little difficult to understand initially
- 🐛 App not opening
Bugs and requests
Invoice2go
Reported bugs
5 issues- Invoices disappearing or getting duplicated
- Inability to access past invoices after subscription expires
- Automatic payment features causing issues
- Login problems and inability to access account
- Inconsistent behavior after app updates
Requested features
5 requests- Ability to print invoices in bulk
- Option to attach PDF files to invoices
- Improved search and filtering functionality
- Integration with accounting software
- Calendar view for tracking appointments
Estimate Maker Flex
Reported bugs
1 issue- App not opening
Requested features
2 requests- Add option to get client signature
- Add signature of the person who made the estimate
In-app purchases
Invoice2go
- Starter$7.951 Month
- Starter$7.991 Month
- Standard1 Month trial$11.951 Month
Show 6 moreShow fewer
- Professional$11.951 Month
- Professional1 Month trial$11.951 Month
- Standard$14.951 Month
- Standard1 Month trial$14.951 Month
- Premium$44.951 Month
- Unlimited$44.951 Month
- Starter Package - 12 month$9.99
Estimate Maker Flex
- 1 Month Subscription$5.991 Month
- 1 Year Subscription$49.991 Year
Questions
Is Invoice2go free?
Is Estimate Maker Flex free?
Which has better reviews, Invoice2go or Estimate Maker Flex?
Do Invoice2go or Estimate Maker Flex have ads?
Which is updated more often, Invoice2go or Estimate Maker Flex?
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