# RSR Alignment App vs Mobileraker

The clearest difference is review sentiment: Mobileraker at 81% against RSR Alignment App's 0%. Mobileraker also leads on rating (4.9 vs 3.0) and ratings volume (890 vs 2). RSR Alignment App's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Mobileraker sells 10 in-app purchases, starting at $1.99 per month. RSR Alignment App asks for nothing beyond the download.

Mobileraker holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: Mobileraker has 890 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of RSR Alignment App's written reviews are positive against 81% of Mobileraker's.

RSR Alignment App ships an update every 3 months, Mobileraker every 5 weeks. The most recent releases landed on June 11, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | RSR Alignment App | Mobileraker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/rsr-alignment-app/id1503116170/reviews) | **[4.9 (890 ratings)](https://appshunter.io/ios/app/mobileraker-klipper-ui/id1581451248/reviews)** |
| Number of ratings | 2 | **890** |
| Positive reviews | 0.0% of reviews | **81.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 57 MB | 129 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TMC CO.,LTD](https://appshunter.io/developer/920283832) | [Patrick Schmidt](https://appshunter.io/developer/1624526745) |

## What reviewers say

### RSR Alignment App

[App page](https://appshunter.io/ios/app/rsr-alignment-app/id1503116170)

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.

**Highlights:** Measure camber angle, Measure toe angle, Display four-corner angles, Zero point adjustment, Store measurement data, Change measurement interval

**Features:** macOS Compatibility

**In-app purchases:** none


### Mobileraker

[App page](https://appshunter.io/ios/app/mobileraker-klipper-ui/id1581451248)

Control and monitor your Klipper 3D printer from your mobile device. Features include real-time print visualization, precision control, advanced monitoring, and file management.

**Highlights:** Real-time print visualization, Precision axis and temperature control, Advanced monitoring dashboard, Filament system management, Multi-printer fleet control, File management, Macro control

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Supporter | $1.99 | per month |
| Base | $4.99 | per month |
| Gold | $9.99 | per month |
| Yearly Supporter | $19.99 | per year |
| Tip the Dev | $2.00 | one-time |
| Tip the Dev | $4.00 | one-time |
| Tip the Dev | $9.00 | one-time |
| Tip the Dev | $22.00 | one-time |
| Lifetime Supporter Promotion | $29.99 | one-time |
| Lifetime Supporter | $39.99 | one-time |

**What reviewers like**

- 🚀 Responsive and fast
- 👍 Great user interface
- 💡 Excellent Klipper support
- 🔒 Secure remote access
- 👍 Versatile monitoring and control

**What reviewers complain about**

- 🐛 Occasional connectivity issues
- 💰 Ads in free version
- 🔒 Concerns about monetization

**Reported bugs**

- Webcam not working when printer is off
- Socket errors and timeouts

**Requested features**

- Customizable dashboard layout
- Persistent temperature/time prediction display
- Apple Watch integration
- Decimal support for temperature adjustments


## Frequently asked questions

### Is RSR Alignment App free?

RSR Alignment App is free to download, with no in-app purchases.

### Is Mobileraker free?

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

### Which has better reviews, RSR Alignment App or Mobileraker?

Mobileraker is rated higher. RSR Alignment App averages 3.0 out of 5 from 2 ratings, while Mobileraker averages 4.9 from 890 ratings.

### Do RSR Alignment App or Mobileraker have ads?

Mobileraker shows ads; RSR Alignment App does not.

### Which is updated more often, RSR Alignment App or Mobileraker?

RSR Alignment App ships an update every 3 months, and Mobileraker every 5 weeks. Most recently, RSR Alignment App was updated on June 11, 2026 and Mobileraker on September 27, 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.*