# TSI Quality Services vs FFI_app

The clearest difference is in-app purchases: FFI_app at none against TSI Quality Services's 18. FFI_app also leads on update cadence (weekly vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TSI Quality Services sells 18 one-off in-app purchases. FFI_app asks for nothing beyond the download.

TSI Quality Services ships an update every 2 weeks, FFI_app weekly. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TSI Quality Services | FFI_app |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 99 MB | 56 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [TSI Quality Services](https://appshunter.io/developer/1697084309) | [Mark Dickinson](https://appshunter.io/developer/1672119843) |

## What reviewers say

### TSI Quality Services

[App page](https://appshunter.io/ios/app/tsi-quality-services/id6451183381)

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Food Safety PIC Active Learner | $0.29 | one-time |
| Cookee | $2.99 | one-time |
| Discounted course 20% | $3.99 | one-time |
| Roles and Responsibilities | $4.99 | one-time |
| Escherichia coli in Food | $4.99 | one-time |
| Salmonella in Food | $4.99 | one-time |
| Vibrio parahaemolyticus (Food) | $4.99 | one-time |
| HACCP for professionals | $7.99 | one-time |
| 80aed Discounted price | $19.99 | one-time |
| Level 2 Award Legionella | $29.99 | one-time |
| Legionella Risk and Control e-book | $29.99 | one-time |
| Food Allergen Control | $29.99 | one-time |
| Food Safety Level 3 eBook | $49.99 | one-time |
| Advanced Food Safety Level 4 e-Book | $99.99 | one-time |
| Understanding Escherichia coli | $99.99 | one-time |
| Vibrio parahaemolyticus | $99.99 | one-time |
| Understanding Salmonella | $99.99 | one-time |
| HACCP for Professional e-book | $99.99 | one-time |


### FFI_app

[App page](https://appshunter.io/ios/app/ffi-app/id6738163703)

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

**In-app purchases:** none


## Frequently asked questions

### Is TSI Quality Services free?

TSI Quality Services is free to download, with in-app purchases available.

### Is FFI_app free?

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

### Do TSI Quality Services or FFI_app have ads?

Neither TSI Quality Services nor FFI_app shows ads.

### Which is updated more often, TSI Quality Services or FFI_app?

TSI Quality Services ships an update every 2 weeks, and FFI_app weekly. Most recently, TSI Quality Services was updated on October 18, 2026 and FFI_app on October 24, 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.*