PiPhone vs Open Invoice & Estimate Maker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PiPhone
Create and customize animated pie charts with drag-and-drop annotations. Personalize text, highlight slices, and add currency symbols. Save and share your visual data easily.
- Animated pie charts
- Drag-and-drop annotations
- Customizable font size
- Slice highlighting
- Currency symbol options
- Save and share charts
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Drag pie slice annotations for precise placement on your pie chart. Change font size for your annotations. Highlight any or all slices of your pie chart. Choose from 28 different currency symbols to add to your amount annotations. Add up to 24 slices to your pie chart. Save your pie charts. Share your pie charts via email or social media.
Open Invoice & Estimate Maker
Create professional invoices and job estimates quickly for your small business. Get paid faster with online payment options and track outstanding bills. Designed for contractors and service professionals.
- Create invoices and estimates in seconds
- Customizable professional templates
- Enable online payments
- Track expenses and outstanding payments
- Convert estimates to invoices
- Digital signature for estimates
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Openinvoice: Professional Invoice Maker & Estimate App for Contractors Create professional invoices and job estimates in minutes. Stop chasing payments and start growing your business. Built for contractors, plumbers, electricians, consultants, and small business owners who need simple, reliable billing on the go. No complicated setup. No accounting degree required. Just fast, clean invoicing that helps you get paid. WHY CHOOSE OPENINVOICE? - Create Invoices in Seconds: Our intuitive interface means you can send a professional bill before you’ve even left the job site. - Look Like a Pro: Use customizable, high-quality templates. Add your logo, signature, and brand colors to impress your clients. - Get Paid Faster: Enable online payments (Credit Cards, Apple Pay, PayPal) so your customers can pay you with a single tap. - Stay Organized: No more lost receipts or "shoebox" accounting. Track expenses, taxes, and outstanding payments in one central place. SMART INVOICING & BILLING - Create and send invoices via Email, Text, or WhatsApp. - Convert estimates to invoices with a single tap. - Get "Read Receipts", know exactly when your client opens your invoice. - Set up automatic payment reminders for overdue bills. PROFESSIONAL ESTIMATES & QUOTES - Win more jobs by sending professional quotes on the spot. - Attach photos of your work or supplies to provide clear details. - Allow clients to sign estimates digitally for instant approval. BUILT FOR YOUR BUSINESS - Service Pros: Perfect for plumbers, electricians, and landscapers. - Creatives: Ideal for photographers, writers, and consultants. - Sync Across Devices: Access your data on iPhone, iPad, and Desktop. HOW IT WORKS (In 3 Easy Steps): - Add Your Details: Upload your logo and business info. - Select a Client: Import directly from your phone contacts. - Send & Get Paid: Add your items, hit send, and watch the payments roll in. Designed for Small Businesses Whether you're a general contractor, handyman, freelancer, or running a growing service business, this invoice maker keeps your billing simple and professional. Start free with limited usage. Upgrade only when your business grows. Create invoices. Send estimates. Get paid. Simple as that. Privacy policy - https://openinvoice.canopas.com/privacy-policy Terms of Use - https://openinvoice.canopas.com/terms-of-service Questions or Feedback? Reach out to us at https://openinvoice.canopas.com/contact-us
Screenshots
Verdict
The clearest difference is in-app purchases: PiPhone at none against Open Invoice & Estimate Maker's 5. PiPhone also leads on update cadence (every 4 days vs every 3 weeks). On price, rating, review sentiment and ratings volume 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. Open Invoice & Estimate Maker sells 5 in-app purchases, starting at $12.99 per month. PiPhone asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for PiPhone against 5.0 for Open Invoice & Estimate Maker. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
PiPhone ships an update every 4 days, Open Invoice & Estimate Maker every 3 weeks. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.
| Parameter | PiPhone | Open Invoice & Estimate Maker |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (4 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 | 4 — better |
| Update frequency | Every 4 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 5 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Payne | CANOPAS SOFTWARE LLP |
Customer experience
PiPhone
Open Invoice & Estimate Maker
In-app purchases
PiPhone
No in-app purchases
Open Invoice & Estimate Maker
- OpenInvoice Pro$12.991 Month
- OpenInvoice Pro 1 Month$14.991 Month
- OpenInvoice Pro 1 Year7 Days trial$49.991 Year
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- OpenInvoice Pro 1 Year$49.991 Year
- OpenInvoice Pro$99.991 Year
Questions
Is PiPhone free?
Is Open Invoice & Estimate Maker free?
Which has better reviews, PiPhone or Open Invoice & Estimate Maker?
Do PiPhone or Open Invoice & Estimate Maker have ads?
Which is updated more often, PiPhone or Open Invoice & Estimate Maker?
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