# Invoice Better vs Flatren

The clearest difference is ads: Invoice Better at none against Flatren's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Invoice Better sells 3 in-app purchases, starting at $4.99 per month and Flatren sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Invoice Better ships an update every 9 days, Flatren weekly. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Invoice Better | Flatren |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 46 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Big Screen Entertainment Pty Ltd](https://appshunter.io/developer/317051604) | [Fines Software Consulting SRL](https://appshunter.io/developer/1710135836) |

## What reviewers say

### Invoice Better

[App page](https://appshunter.io/ios/app/invoice-better-estimate-maker/id6757212675)

Create professional invoices quickly and privately. This offline app keeps all your data local, offering lightning-fast billing for freelancers and small businesses. Generate invoices, track payments, and export PDFs without needing an internet connection or worrying about data tracking.

**Highlights:** Create invoices in under 60 seconds, 100% offline operation, no cloud, Zero data tracking or accounts required, Professional invoice templates, Automatic tax calculations, PDF export and sharing options, Track outstanding payments

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly: Unlimited | $4.99 | per month |
| Premium Yearly: Unlimited | $39.99 | per year |
| Premium Lifetime: Pay Once | $49.99 | one-time |


### Flatren

[App page](https://appshunter.io/ios/app/flatren-rent-tracker/id6762054941)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flatren Pro Monthly | $1.99 | per month |
| Flatren Pro Yearly | $17.99 | per year |


## Frequently asked questions

### Is Invoice Better free?

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

### Is Flatren free?

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

### Do Invoice Better or Flatren have ads?

Flatren shows ads; Invoice Better does not.

### Which is updated more often, Invoice Better or Flatren?

Invoice Better ships an update every 9 days, and Flatren weekly. Most recently, Invoice Better was updated on November 2, 2026 and Flatren on October 28, 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.*