# TSD POS vs Invoice Assist

The clearest difference is in-app purchases: TSD POS at none against Invoice Assist's 6. TSD POS also leads on update cadence (every 3 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Invoice Assist sells 6 in-app purchases, starting at $2.99 per month. TSD POS asks for nothing beyond the download.

TSD POS ships an update every 3 days, Invoice Assist monthly. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | TSD POS | Invoice Assist |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Size | 67 MB | 72 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [TECHNOLOGY SOLUTION DEVELOPMENT TSD CO., LTD.](https://appshunter.io/developer/1547954509) | [Kudzai Sungai](https://appshunter.io/developer/1830036420) |

## What reviewers say

### TSD POS

[App page](https://appshunter.io/ios/app/tsd-pos/id6751882013)

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

**In-app purchases:** none


### Invoice Assist

[App page](https://appshunter.io/ios/app/invoice-assist/id6755180676)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| monthly | $2.99 | per month |
| Debtors Monthly | $4.99 | per month |
| Stock Monthly | $7.99 | per month |
| annual | $34.99 | per year |
| Debtors Annual | $49.99 | per year |
| Stock Annual | $79.99 | per year |


## Frequently asked questions

### Is TSD POS free?

TSD POS is free to download, with no in-app purchases.

### Is Invoice Assist free?

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

### Do TSD POS or Invoice Assist have ads?

Neither TSD POS nor Invoice Assist shows ads.

### Which is updated more often, TSD POS or Invoice Assist?

TSD POS ships an update every 3 days, and Invoice Assist monthly. Most recently, TSD POS was updated on October 30, 2026 and Invoice Assist on November 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.*