# Quest SAM vs Function Fitter

The clearest difference is iOS requirement: Quest SAM at 15.6 against Function Fitter's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Quest SAM | Function Fitter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | — |
| Size | 6 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Quest Diagnostics, Inc.](https://appshunter.io/developer/300300771) | [29Apps LLC](https://appshunter.io/developer/1817021563) |

## What reviewers say

### Quest SAM

[App page](https://appshunter.io/ios/app/quest-sam/id1277804244)

This application provides individuals with self-service access to Quest assets. It allows users to manage their access to various resources. The app is designed for convenient and independent management of Quest-related information.

**Highlights:** Self-service access, Manage Quest assets, Independent resource management

**Features:** macOS Compatibility

**In-app purchases:** none


### Function Fitter

[App page](https://appshunter.io/ios/app/function-fitter/id6748284369)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quest SAM free?

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

### Is Function Fitter free?

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

### Do Quest SAM or Function Fitter have ads?

Neither Quest SAM nor Function Fitter shows ads.

### Which is updated more often, Quest SAM or Function Fitter?

Quest SAM ships an update monthly, and Function Fitter monthly. Most recently, Quest SAM was updated on September 25, 2026 and Function Fitter 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.*