# FEI Rental Manager vs SampleServe Field App

The clearest difference is ads: SampleServe Field App at none against FEI Rental Manager's shown. SampleServe Field App also leads on update cadence (every 2 months vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

FEI Rental Manager ships an update every 4 months, SampleServe Field App every 2 months. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | FEI Rental Manager | SampleServe Field App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/fei-rental-manager/id1528779671/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 18 MB | 64 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Field Environmental Instruments Inc.](https://appshunter.io/developer/1528779670) | [SampleServe Inc.](https://appshunter.io/developer/1639620266) |

## What reviewers say

### FEI Rental Manager

[App page](https://appshunter.io/ios/app/fei-rental-manager/id1528779671)

Manage your environmental monitoring equipment rentals efficiently. This app allows active customers to schedule pickups, find equipment, locate branches, and access support resources easily.

**Highlights:** Schedule equipment pickups and returns, Browse instrument and supply catalog, Find nearest branch locations, Communicate with staff, Access project support resources

**Features:** macOS Compatibility

**In-app purchases:** none


### SampleServe Field App

[App page](https://appshunter.io/ios/app/sampleserve-field-app/id1639620264)

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

**In-app purchases:** none


## Frequently asked questions

### Is FEI Rental Manager free?

FEI Rental Manager is free to download, with no in-app purchases.

### Is SampleServe Field App free?

SampleServe Field App is free to download, with no in-app purchases.

### Do FEI Rental Manager or SampleServe Field App have ads?

FEI Rental Manager shows ads; SampleServe Field App does not.

### Which is updated more often, FEI Rental Manager or SampleServe Field App?

FEI Rental Manager ships an update every 4 months, and SampleServe Field App every 2 months. Most recently, FEI Rental Manager was updated on October 9, 2026 and SampleServe Field App on October 4, 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.*