# Eram Ex vs Invoice Maker

The clearest difference is in-app purchases: Eram Ex at none against Invoice Maker's 2. Eram Ex also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.6). Invoice Maker's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. Invoice Maker sells 2 in-app purchases, starting at $9.99 per month. Eram Ex asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 12, 2026 and June 26, 2026 respectively.

## The numbers

| Metric | Eram Ex | Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/invoice-maker-estimate-pdf/id6763965182/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 98 MB | 4 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [ERAM GROUP FOR INVESTMENT COMPANY](https://appshunter.io/developer/1762172641) | [家宝 戴](https://appshunter.io/developer/1826395838) |

## What reviewers say

### Eram Ex

[App page](https://appshunter.io/ios/app/eram-ex/id6740029343)

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

**In-app purchases:** none


### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-estimate-pdf/id6763965182)

This app transforms your iPhone into a private billing tool for freelancers and small businesses. Quickly create professional invoices and estimates, track payments, and send polished PDF documents to clients, all stored securely on your device without needing an account.

**Highlights:** Create invoices and estimates quickly, Add logo and signature, Track paid, unpaid, and overdue invoices, Export as PDF, Manage clients and items, Offline functionality, Privacy-focused on-device storage

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InvoiceMarker Pro Monthly | $9.99 | per month |
| InvoiceMarker Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Eram Ex free?

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

### Is Invoice Maker free?

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

### Do Eram Ex or Invoice Maker have ads?

Eram Ex shows ads; Invoice Maker does not.

### Which is updated more often, Eram Ex or Invoice Maker?

Eram Ex ships an update every 3 weeks, and Invoice Maker every 3 weeks. Most recently, Eram Ex was updated on September 12, 2026 and Invoice Maker on June 26, 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.*