# EI Classic Invoice Maker vs Trustlink Care Services

The clearest difference is in-app purchases: Trustlink Care Services at none against EI Classic Invoice Maker's 2. EI Classic Invoice Maker's advantage is iOS requirement (11.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. EI Classic Invoice Maker sells 2 one-off in-app purchases. Trustlink Care Services asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 22, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | EI Classic Invoice Maker | Trustlink Care Services |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (255 ratings)](https://appshunter.io/ios/app/ei-classic-invoice-maker/id1535481541/reviews)** | — |
| Number of ratings | **255** | — |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 32 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marla International Limited](https://appshunter.io/developer/345338913) | [Logezy](https://appshunter.io/developer/1316632590) |

## What reviewers say

### EI Classic Invoice Maker

[App page](https://appshunter.io/ios/app/ei-classic-invoice-maker/id1535481541)

This application serves legacy customers who prefer the classic version of a popular invoicing tool. It allows for the generation of PDF invoices, providing a familiar interface for long-time users.

**Highlights:** PDF invoice generation, Legacy customer support, Classic user interface

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Steel Plan - 1 Month | $6.99 | one-time |
| Steel Plan - 6 months | $33.99 | one-time |


### Trustlink Care Services

[App page](https://appshunter.io/ios/app/trustlink-care-services/id1589190825)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EI Classic Invoice Maker free?

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

### Is Trustlink Care Services free?

Trustlink Care Services is free to download, with no in-app purchases.

### Do EI Classic Invoice Maker or Trustlink Care Services have ads?

Neither EI Classic Invoice Maker nor Trustlink Care Services shows ads.

### Which is updated more often, EI Classic Invoice Maker or Trustlink Care Services?

EI Classic Invoice Maker ships an update every 3 months, and Trustlink Care Services every 3 months. Most recently, EI Classic Invoice Maker was updated on September 22, 2026 and Trustlink Care Services on September 9, 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.*