# Invoice Maker & Estimate App vs StringerPal

The clearest difference is chart position: Invoice Maker & Estimate App at #113 against StringerPal's unranked. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Invoice Maker & Estimate App sells 21 in-app purchases, starting at $7.49 per month and StringerPal sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Invoice Maker & Estimate App ships an update every 2 weeks, StringerPal every 10 days. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Invoice Maker & Estimate App | StringerPal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (16K ratings)](https://appshunter.io/ios/app/invoice-maker-and-estimate-app/id1419627421/reviews)** | — |
| Number of ratings | **16K** | — |
| Positive reviews | 61.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#113** | — |
| Size | 116 MB | 104 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Bookipi Pty Ltd](https://appshunter.io/developer/1132093613) | [Nathan Berrett](https://appshunter.io/developer/6804604670) |

## What reviewers say

### Invoice Maker & Estimate App

[App page](https://appshunter.io/ios/app/invoice-maker-and-estimate-app/id1419627421)

**Currently charting:** #113 Top Grossing · Business (US App Store)

Create professional invoices, estimates, and receipts quickly. Automate payment tracking, send smart reminders, and accept various payment methods. Streamline your business accounting and reporting with secure cloud sync.

**Highlights:** Professional invoice creation, Automated payment tracking, Smart payment reminders, Accept various payment methods, Generate PDF reports, Secure cloud sync

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (21)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Documents | $7.49 | per month |
| Unlimited Documents | $9.99 | per month |
| Remove Bookipi Branding | $9.99 | per month |
| Unlimited Customers | $9.99 | per month |
| Full History Access | $9.99 | per month |
| Unlimited Documents | $12.49 | per month |
| Unlimited Documents Monthly | $12.99 | per month |
| Unlimited Documents Monthly | $12.99 | per month |
| Unlimited Documents | $14.99 | per month |
| Unlimited Documents | $17.49 | per month |
| Unlimited Documents | $74.99 | per year |
| Unlimited Documents | $99.90 | per year |
| Unlimited Customers | $99.90 | per year |
| Remove Bookipi Branding | $99.90 | per year |
| Full History Access | $99.90 | per year |
| Unlimited Documents | $99.99 | per year |
| Unlimited Documents | $124.99 | per year |
| Unlimited Documents Yearly | $129.99 | per year |
| Unlimited Documents Yearly | $129.99 | per year |
| Unlimited Documents | $149.99 | per year |
| Unlimited Documents | $174.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Professional-looking invoices
- 💡 Customizable options
- 🚀 Convenient for small businesses
- 🚀 Saves time

**What reviewers complain about**

- 🐛 Bugs and glitches
- 🐛 Inconsistent performance
- 🐛 Inability to search invoices
- 🐛 Payment processing issues
- 🐛 Unreliable app stability

**Reported bugs**

- Invoices disappearing after editing
- Inability to change bank details
- Crashes when adding items to invoices
- Incorrect invoice numbering
- Compatibility issues with iOS 15

**Requested features**

- Inventory management feature
- Searchable job or PO field
- Ability to see overdue invoices easily
- Option to turn quotes into invoices
- Customizable logo and branding


### StringerPal

[App page](https://appshunter.io/ios/app/stringerpal/id6804604668)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StringerPal Pro Monthly | $2.99 | per month |
| StringerPal Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Invoice Maker & Estimate App free?

Invoice Maker & Estimate App is free to download, with in-app purchases available.

### Is StringerPal free?

StringerPal is free to download, with in-app purchases available.

### Do Invoice Maker & Estimate App or StringerPal have ads?

Neither Invoice Maker & Estimate App nor StringerPal shows ads.

### Which is updated more often, Invoice Maker & Estimate App or StringerPal?

Invoice Maker & Estimate App ships an update every 2 weeks, and StringerPal every 10 days. Most recently, Invoice Maker & Estimate App was updated on October 22, 2026 and StringerPal on October 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*