# Invoice Simple vs Sage Accounting

The clearest difference is review sentiment: Invoice Simple at 64% against Sage Accounting's 12%. Invoice Simple also leads on ads (none vs shown) and rating (4.9 vs 4.5). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Invoice Simple sells 9 in-app purchases, starting at $6.99 per month and Sage Accounting sells 5 in-app purchases, starting at $12.49 per month. Whichever you choose, the download price is not the number that matters.

Invoice Simple holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Invoice Simple has 123K ratings behind it against 1.6K, so its average is the more settled of the two. Written reviews point the same way: 64% of Invoice Simple's written reviews are positive against 12% of Sage Accounting's.

Invoice Simple ships an update every 2 weeks, Sage Accounting every 2 months. The most recent releases landed on November 4, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Invoice Simple | Sage Accounting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (123K ratings)](https://appshunter.io/ios/app/invoice-simple-invoice-maker/id694831622/reviews)** | [4.5 (1.6K ratings)](https://appshunter.io/ios/app/sage-accounting/id1341612411/reviews) |
| Number of ratings | **123K** | 1.6K |
| Positive reviews | **63.8% of reviews** | 11.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#9** | — |
| Size | 221 MB | 62 MB |
| Requires iOS | **16.4** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zenvoice Inc.](https://appshunter.io/developer/990870994) | [Sage Accounting](https://appshunter.io/developer/1847923694) |

## What reviewers say

### Invoice Simple

[App page](https://appshunter.io/ios/app/invoice-simple-invoice-maker/id694831622)

**Currently charting:** #9 Top Grossing · Business (US App Store)

Create and send professional invoices, estimates, and receipts quickly from your mobile device. This app helps individuals and growing businesses get organized, look professional, and get paid faster by accepting online payments.

**Highlights:** Create invoices, estimates, and receipts, Accept online payments, Customize invoices with logo and details, Organize client and product information, Send via email, text, or WhatsApp, Download as PDF, Get payment and opening alerts

**Features:** iPhone Duo support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Essentials Monthly | $6.99 | per month |
| Mobile subscription | $10.99 | per month |
| Monthly Side Business | $10.99 | per month |
| Monthly Business Sub | $11.99 | per month |
| Monthly Subscription | $11.99 | per month |
| Monthly subscription | $13.49 | per month |
| Plus Monthly | $14.99 | per month |
| Monthly Standard Subscription | $17.99 | per month |
| Premium Monthly | $21.99 | per month |

**What reviewers like**

- 🚀 Easy to use
- 👍 Professional-looking invoices
- 🚀 Quick and simple
- 👍 Saves time
- 👍 Convenient mobile access

**What reviewers complain about**

- 💰 Expensive subscription
- 🐛 Glitches and bugs
- 🔀 Inconsistent features across platforms
- 🔀 Confusing navigation
- 🔀 Limited customization options

**Reported bugs**

- Invoices not sending properly
- App crashing or freezing
- Inability to recover deleted invoices
- Syncing issues between mobile and desktop

**Requested features**

- Add ability to rearrange line items
- Improve search and filtering capabilities
- Integrate with accounting software
- Add option to track expenses and profitability
- Allow multiple business profiles in one account


### Sage Accounting

[App page](https://appshunter.io/ios/app/sage-accounting/id1341612411)

Manage your business finances on the go with this app. Create and send invoices and quotes, track expenses, record transactions, and view your business performance. It's designed for small businesses that need to manage finances away from the office.

**Highlights:** Create and send invoices, Generate and send quotes, Capture and track expenses, Record and categorize transactions, Manage customer contacts, View business performance reports, Sync data across devices

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sage Accounting Start IE | $12.49 | per month |
| Sage Accounting Start UK | $16.49 | per month |
| Sage Accounting IE | $29.99 | per month |
| Sage Accounting Standard UK | $34.99 | per month |
| Sage Accounting Plus UK | $43.99 | per month |

**What reviewers like**

- 👍 Easy to use and navigate interface
- 📱 Convenient mobile access for on-the-go invoicing
- 📊 Clear financial reports and profit/loss tracking
- 💰 Simple invoicing and expense tracking
- 📦 Inventory tracking capabilities

**What reviewers complain about**

- 🐛 Frequent app crashes and freezing
- 🔐 Persistent login and authentication issues
- ⏱️ Extremely slow data loading times
- 🌍 Geographic restrictions (UK/Ireland/Canada only)
- 📸 Photo upload functionality broken or unreliable

**Reported bugs**

- App crashes when entering invoice amounts
- Login loops and authentication failures
- Session timeout issues despite 'keep me signed in' option
- Data not loading or displaying correctly
- Contacts disappearing after updates

**Requested features**

- Bank reconciliation on mobile app
- P&L statements and balance sheets in app
- Custom pricing options for customers
- Better search functionality for contacts
- Ability to switch between multiple businesses


## Frequently asked questions

### Is Invoice Simple free?

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

### Is Sage Accounting free?

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

### Which has better reviews, Invoice Simple or Sage Accounting?

Invoice Simple is rated higher. Invoice Simple averages 4.9 out of 5 from 123K ratings, while Sage Accounting averages 4.5 from 1.6K ratings.

### Do Invoice Simple or Sage Accounting have ads?

Sage Accounting shows ads; Invoice Simple does not.

### Which is updated more often, Invoice Simple or Sage Accounting?

Invoice Simple ships an update every 2 weeks, and Sage Accounting every 2 months. Most recently, Invoice Simple was updated on November 4, 2026 and Sage Accounting on November 2, 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.*