# Gretio vs Elevator Rescue App

The clearest difference is rating: Elevator Rescue App at 5.0 against Gretio's 3.9. Elevator Rescue App also leads on in-app purchases (none vs 4) and review sentiment (100% vs 72%). Gretio's advantage is update cadence (fortnightly vs every 5 months) and ratings volume (22 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Gretio sells 4 in-app purchases, starting at $19.99 per year. Elevator Rescue App asks for nothing beyond the download.

Elevator Rescue App holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Gretio has 22 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 72% of Gretio's written reviews are positive against 100% of Elevator Rescue App's.

Gretio ships an update fortnightly, Elevator Rescue App every 5 months. The most recent releases landed on October 10, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Gretio | Elevator Rescue App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (22 ratings)](https://appshunter.io/ios/app/gretio/id1498320180/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/elevator-rescue-app/id6756289926/reviews)** |
| Number of ratings | **22** | 1 |
| Positive reviews | 72.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 41 MB | 36 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Surreal Development LLC](https://appshunter.io/developer/1498320179) | [Terry Tuzzolino](https://appshunter.io/developer/1859884165) |

## What reviewers say

### Gretio

[App page](https://appshunter.io/ios/app/gretio/id1498320180)

This app enables advanced vehicle diagnostics and service functions for General Motors vehicles using an OBDLINK MX+ device. It analyzes data points, looks up trouble codes, and performs service procedures like DPF regenerations.

**Highlights:** Advanced diagnostic functions, Analyze thousands of data points, Look up diagnostic trouble codes, Perform advanced service functions, Exclusive for General Motors vehicles

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gretio All Access | $19.99 | per year |
| Gretio RPO Pack 1 | $29.99 | one-time |
| Gretio RPO Pack 2 | $29.99 | one-time |
| RPO Pack 3 | $29.99 | one-time |


### Elevator Rescue App

[App page](https://appshunter.io/ios/app/elevator-rescue-app/id6756289926)

Access a comprehensive video library for unlocking elevator doors across major manufacturers. Quickly find guides by brand, save favorites, and utilize offline access for field work. Designed for elevator technicians and maintenance professionals.

**Highlights:** Video guides for elevator door locks, Search by manufacturer, Offline video access, Favorites and recent videos, Chromecast support, Professional interface

**In-app purchases:** none


## Frequently asked questions

### Is Gretio free?

Gretio is free to download, with in-app purchases available.

### Is Elevator Rescue App free?

Elevator Rescue App is free to download, with no in-app purchases.

### Which has better reviews, Gretio or Elevator Rescue App?

Elevator Rescue App is rated higher. Gretio averages 3.9 out of 5 from 22 ratings, while Elevator Rescue App averages 5.0 from 1 ratings.

### Do Gretio or Elevator Rescue App have ads?

Neither Gretio nor Elevator Rescue App shows ads.

### Which is updated more often, Gretio or Elevator Rescue App?

Gretio ships an update fortnightly, and Elevator Rescue App every 5 months. Most recently, Gretio was updated on October 10, 2026 and Elevator Rescue App on September 24, 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.*