# Rymax Lubricants vs CoTech.ai

The clearest difference is update cadence: CoTech.ai at every 2 months against Rymax Lubricants's every 19 months. Rymax Lubricants's advantage is iOS requirement (9.0 vs 17.0). 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.

Rymax Lubricants ships an update every 19 months, CoTech.ai every 2 months. The most recent releases landed on October 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Rymax Lubricants | CoTech.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rymax-lubricants/id1166881325/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 45 MB | 22 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [a&m impact internetdiensten b.v.](https://appshunter.io/developer/960322720) | [iBoson Innovations](https://appshunter.io/developer/1449586655) |

## What reviewers say

### Rymax Lubricants

[App page](https://appshunter.io/ios/app/rymax-lubricants/id1166881325)

Find the correct lubricants and fluids for your vehicle in seconds. This app guides consumers and professionals to the exact oil or fluids needed for any car. It also provides specifications and Technical Datasheets for the full range of products.

**Highlights:** Vehicle lubricant advisor, Finds correct fluids for cars, Product specifications, Technical Datasheet access, Suitable for consumers and professionals

**Features:** macOS Compatibility

**In-app purchases:** none


### CoTech.ai

[App page](https://appshunter.io/ios/app/cotechai/id6470251357)

**In-app purchases:** none


## Frequently asked questions

### Is Rymax Lubricants free?

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

### Is CoTech.ai free?

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

### Do Rymax Lubricants or CoTech.ai have ads?

Neither Rymax Lubricants nor CoTech.ai shows ads.

### Which is updated more often, Rymax Lubricants or CoTech.ai?

Rymax Lubricants ships an update every 19 months, and CoTech.ai every 2 months. Most recently, Rymax Lubricants was updated on October 2, 2026 and CoTech.ai on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*