# Schaeffer vs Pulsarlube BT

The clearest difference is update cadence: Pulsarlube BT at every 5 weeks against Schaeffer's every 4 months. Pulsarlube BT also leads on device support (3 vs 1) and iOS requirement (12.0 vs 14.1). On price, 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.

Schaeffer ships an update every 4 months, Pulsarlube BT every 5 weeks. The most recent releases landed on September 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Schaeffer | Pulsarlube BT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/schaeffer/id1116140778/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 149 MB | 117 MB |
| Requires iOS | 14.1 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Feature Group USA LLP](https://appshunter.io/developer/466528203) | [KLT Co., Ltd.](https://appshunter.io/developer/1319624770) |

## What reviewers say

### Schaeffer

[App page](https://appshunter.io/ios/app/schaeffer/id1116140778)

This app serves as a comprehensive sales tool for lubricant sales representatives. It provides access to sales presentations, promotional materials, and a specialized calculator for field use. The application is designed to streamline the sales process and will receive ongoing updates with new features.

**Highlights:** Sales Presentations, BLCA calculator, Sales Videos, Promotional Materials, Field sales tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Pulsarlube BT

[App page](https://appshunter.io/ios/app/pulsarlube-bt/id1319624921)

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

**In-app purchases:** none


## Frequently asked questions

### Is Schaeffer free?

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

### Is Pulsarlube BT free?

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

### Do Schaeffer or Pulsarlube BT have ads?

Neither Schaeffer nor Pulsarlube BT shows ads.

### Which is updated more often, Schaeffer or Pulsarlube BT?

Schaeffer ships an update every 4 months, and Pulsarlube BT every 5 weeks. Most recently, Schaeffer was updated on September 15, 2026 and Pulsarlube BT 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.*