# Leveler Plus vs ROS Robot

The clearest difference is price: ROS Robot at Free against Leveler Plus's $2.99. ROS Robot also leads on update cadence (every 10 days vs every 17 months) and iOS requirement (9.0 vs 17.6). Leveler Plus's advantage is rating (5.0 vs 1.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

ROS Robot is free to download; Leveler Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Leveler Plus holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Leveler Plus ships an update every 17 months, ROS Robot every 10 days. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Leveler Plus | ROS Robot |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/leveler-plus/id1578213867/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/ros-robot/id6449279706/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 10 days** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 23 MB |
| Requires iOS | 17.6 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [少佳 朱](https://appshunter.io/developer/1479266035) |

## What reviewers say

### Leveler Plus

[App page](https://appshunter.io/ios/app/leveler-plus/id1578213867)

Transform your device into a precise digital spirit level. Measure tilt angles in real-time with realistic bubble and digital displays. Features calibration, saved readings with notes, and haptic feedback for perfect alignment.

**Highlights:** Real-time angle measurement, Bubble and digital display modes, Calibration system, Save and organize angle readings, Haptic feedback, Portrait and landscape orientation, Grid overlay

**In-app purchases:** none


### ROS Robot

[App page](https://appshunter.io/ios/app/ros-robot/id6449279706)

Control and visualize ROS robots from your mobile device. View laser scan maps, direct robot movement, and set navigation points. Compatible with both ROS1 and ROS2 systems.

**Highlights:** Laser scan map visualization, Robot movement control, Navigation point setting, ROS1 and ROS2 compatibility, Camera image display

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

**In-app purchases:** none


## Frequently asked questions

### Is Leveler Plus free?

Leveler Plus costs $2.99, with no in-app purchases.

### Is ROS Robot free?

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

### Which has better reviews, Leveler Plus or ROS Robot?

Leveler Plus is rated higher. Leveler Plus averages 5.0 out of 5 from 1 ratings, while ROS Robot averages 1.0 from 2 ratings.

### Do Leveler Plus or ROS Robot have ads?

Neither Leveler Plus nor ROS Robot shows ads.

### Which is updated more often, Leveler Plus or ROS Robot?

Leveler Plus ships an update every 17 months, and ROS Robot every 10 days. Most recently, Leveler Plus was updated on September 24, 2026 and ROS Robot on September 20, 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.*