# ELink Invoice vs Guji App

The clearest difference is ads: Guji App at none against ELink Invoice's shown. Guji App also leads on update cadence (every 10 days vs every 4 weeks). ELink Invoice's advantage is iOS requirement (13.0 vs 18.5). On price, in-app purchases and device support there is nothing between them.

Both are free to download. ELink Invoice sells 2 one-off in-app purchases and Guji App sells 1 in-app purchase, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

ELink Invoice ships an update every 4 weeks, Guji App every 10 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ELink Invoice | Guji App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/elink-invoice/id523074619/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 38 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [著显 朱](https://appshunter.io/developer/509801283) | [diego armando gutierrez centeno](https://appshunter.io/developer/1844154228) |

## What reviewers say

### ELink Invoice

[App page](https://appshunter.io/ios/app/elink-invoice/id523074619)

Manage your business finances with this comprehensive invoicing and ERP solution. Track sales, inventory, purchases, and customer/supplier arrears. Supports cloud backup, wireless printing, and GPS tracking for sales staff.

**Highlights:** Invoicing, Sales Management, Inventory Management, Purchasing Management, Customer & Supplier Arrears Management, GPS Line Record, Wireless Printing

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ont month VIP User | $4.99 | one-time |
| One year VIP User | $47.99 | one-time |


### Guji App

[App page](https://appshunter.io/ios/app/guji-app/id6753640932)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Guji App Premium Anual | $9.99 | per year |


## Frequently asked questions

### Is ELink Invoice free?

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

### Is Guji App free?

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

### Do ELink Invoice or Guji App have ads?

ELink Invoice shows ads; Guji App does not.

### Which is updated more often, ELink Invoice or Guji App?

ELink Invoice ships an update every 4 weeks, and Guji App every 10 days. Most recently, ELink Invoice was updated on November 6, 2026 and Guji App on November 5, 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.*