# SimplePay vs Invoice Maker & Estimate

The clearest difference is in-app purchases: SimplePay at none against Invoice Maker & Estimate's 4. SimplePay also leads on iOS requirement (12.0 vs 16.0). Invoice Maker & Estimate's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Invoice Maker & Estimate sells 4 in-app purchases, starting at $2.99 per 7 days. SimplePay asks for nothing beyond the download.

SimplePay ships an update every 2 months, Invoice Maker & Estimate every 2 weeks. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | SimplePay | Invoice Maker & Estimate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/invoice-maker-and-estimate/id6741593450/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 51 MB | 32 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [STT Group de CR SA](https://appshunter.io/developer/1484936240) | [Vijay Kale](https://appshunter.io/developer/6799427475) |

## What reviewers say

### SimplePay

[App page](https://appshunter.io/ios/app/simplepay/id1571051029)

**Features:** macOS Compatibility

**In-app purchases:** none


### Invoice Maker & Estimate

[App page](https://appshunter.io/ios/app/invoice-maker-and-estimate/id6741593450)

Easily create and send professional invoices, estimates, and other financial documents. Customize templates with your logo, track payments, and manage business expenses on the go. Offers offline access and cross-device syncing.

**Highlights:** Create invoices, estimates, credit notes, receipts, 45+ customizable invoice templates, Add logo and business details, Convert estimates to invoices, Track payments and expenses, Send invoices via email/messaging, Offline access and cross-device sync

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (1 week) | $2.99 | per 7 days |
| Premium (1 month) | $9.99 | per month |
| Premium (1 year) | $29.99 | per year |
| Premium (Lifetime) | $99.99 | one-time |


## Frequently asked questions

### Is SimplePay free?

SimplePay is free to download, with no in-app purchases.

### Is Invoice Maker & Estimate free?

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

### Do SimplePay or Invoice Maker & Estimate have ads?

Neither SimplePay nor Invoice Maker & Estimate shows ads.

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

SimplePay ships an update every 2 months, and Invoice Maker & Estimate every 2 weeks. Most recently, SimplePay was updated on October 30, 2026 and Invoice Maker & Estimate on November 4, 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.*