# Source Do vs Invoice Master Plus

The clearest difference is price: Source Do at Free against Invoice Master Plus's $7.99. Source Do also leads on iOS requirement (13.0 vs 17.0). Invoice Master Plus's advantage is update cadence (every 10 days vs every 5 weeks). On ads, in-app purchases and device support there is nothing between them.

Source Do is free to download; Invoice Master Plus costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Source Do ships an update every 5 weeks, Invoice Master Plus every 10 days. The most recent releases landed on September 12, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Source Do | Invoice Master Plus |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/invoice-master-plus/id6760714192/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | — | Paid |
| Size | 51 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Compaqhub](https://appshunter.io/developer/1818060632) | [New Creative Idea Studio](https://appshunter.io/developer/528520005) |

## What reviewers say

### Source Do

[App page](https://appshunter.io/ios/app/source-do/id6746798688)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Invoice Master Plus

[App page](https://appshunter.io/ios/app/invoice-master-plus/id6760714192)

Create, manage, and send professional PDF invoices and estimates quickly. Features include custom branding, digital signatures, client and product management, payment tracking, and financial insights. Securely back up your data and enjoy a modern dark mode interface.

**Highlights:** Professional PDF invoicing and estimates, Custom branding with company logo, Digital signature capture, Client and product database, Payment tracking (paid, unpaid, overdue), Financial insights and dashboards, Secure backup and restore

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

**In-app purchases:** none


## Frequently asked questions

### Is Source Do free?

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

### Is Invoice Master Plus free?

Invoice Master Plus costs $7.99, with no in-app purchases.

### Do Source Do or Invoice Master Plus have ads?

Neither Source Do nor Invoice Master Plus shows ads.

### Which is updated more often, Source Do or Invoice Master Plus?

Source Do ships an update every 5 weeks, and Invoice Master Plus every 10 days. Most recently, Source Do was updated on September 12, 2026 and Invoice Master Plus on September 23, 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.*