# OLI vs CheckList Auto

The clearest difference is update cadence: OLI at every 2 weeks against CheckList Auto's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

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

OLI ships an update every 2 weeks, CheckList Auto every 5 months. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | OLI | CheckList Auto |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 26 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PecLub](https://appshunter.io/developer/1697013566) | [Sergio Silva](https://appshunter.io/developer/967225980) |

## What reviewers say

### OLI

[App page](https://appshunter.io/ios/app/oli/id6451156427)

This app provides a comprehensive video and text database for preventive maintenance of automatic vehicle transmissions. It guides technicians through fluid changes, filter replacements, and additive applications, ensuring efficiency and confidence in their work.

**Highlights:** Video and text database for maintenance procedures, Fluid change guidance by manufacturer, model, and year, Fluid and additive recommendations, Filter and oil pan indication, Maintenance interval and service time estimates, Step-by-step video tutorials

**Features:** Vision Pro support

**In-app purchases:** none


### CheckList Auto

[App page](https://appshunter.io/ios/app/checklist-auto/id6741070818)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OLI free?

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

### Is CheckList Auto free?

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

### Do OLI or CheckList Auto have ads?

Neither OLI nor CheckList Auto shows ads.

### Which is updated more often, OLI or CheckList Auto?

OLI ships an update every 2 weeks, and CheckList Auto every 5 months. Most recently, OLI was updated on September 20, 2026 and CheckList Auto on September 10, 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.*