Gretio vs RSR Alignment App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gretio
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.
- Advanced diagnostic functions
- Analyze thousands of data points
- Look up diagnostic trouble codes
- Perform advanced service functions
- Exclusive for General Motors vehicles
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Use Gretio with an OBDLINK MX+ to perform advanced diagnostic functions on your diesel, gas, electric, or hybrid vehicle. Analyze thousands of different data points at high speeds. Look up diagnostic trouble codes for all modules including the Engine Control Module, Chassis Control Module, Drive Motor Control Modules, Battery Energy Control modules, Body Control Module, Radio, and many more. Perform advanced service functions such as diesel particulate filter service regenerations, selective catalytic reduction tests, power relay tests, and even program some features. Gretio is an advanced tool made for the DIY market. All procedures must be used in accordance with the vehicle's service manual or other OEM approved literature. Gretio is made exclusively for General Motors vehicles. Additional models will be supported in the future.
RSR Alignment App
Measure camber and toe angles using your smartphone. The app displays angles for all four corners, allows zero point adjustment, and stores measurement data for later reference. It also lets you change the measurement interval.
- Measure camber angle
- Measure toe angle
- Display four-corner angles
- Zero point adjustment
- Store measurement data
- Change measurement interval
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You can measure camber angle and toe in with your smart phone. 【Function】 （When adjusting the camber) ・Display the angles of four corners. ・Zero point adjustment ・Store the measurement data and refer to it. ・Change the measurement interval (When adjusting the toe) ・Store the data and refer to it. 【Operating system】 Measurement accuracy may differ depending on performance of the sensor equipped on the smart phone.
Screenshots
Verdict
The clearest difference is review sentiment: Gretio at 72% against RSR Alignment App's 0%. Gretio also leads on rating (3.9 vs 3.0) and update cadence (every 3 weeks vs every 3 months). RSR Alignment App's advantage is in-app purchases (none vs 4) and iOS requirement (11.0 vs 18.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Gretio sells 4 in-app purchases, starting at $19.99 per year. RSR Alignment App asks for nothing beyond the download.
Gretio holds the better App Store score, 3.9 against 3.0. That said, the two scores are not equally well evidenced: Gretio has 22 ratings behind it against 2, 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 0% of RSR Alignment App's.
Gretio ships an update every 3 weeks, RSR Alignment App every 3 months. The most recent releases landed on August 15, 2026 and June 11, 2026 respectively.
| Parameter | Gretio | RSR Alignment App |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (22 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 72.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 22 — better | 2 |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 40 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Surreal Development LLC | TMC CO.,LTD |
Customer experience
Gretio
RSR Alignment App
In-app purchases
Gretio
- Gretio All Access$19.991 Year
- Gretio RPO Pack 1$29.99
- Gretio RPO Pack 2$29.99
- RPO Pack 3$29.99
RSR Alignment App
No in-app purchases
Questions
Is Gretio free?
Is RSR Alignment App free?
Which has better reviews, Gretio or RSR Alignment App?
Do Gretio or RSR Alignment App have ads?
Which is updated more often, Gretio or RSR Alignment App?
Other comparisons
