Comparison

Leveler Plus vs ROS Robot

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Leveler Plus

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
Read full description

Turn your iPhone into a precision digital spirit level. Leveler uses your device's built-in gyroscope and accelerometer to measure tilt angles in real time — perfect for construction, woodworking, DIY projects, and everyday tasks. BUBBLE LEVEL A realistic bubble moves within a circular level, just like a traditional spirit level. When the surface is perfectly level, the bubble snaps to center and glows green with haptic feedback confirmation. DIGITAL LEVEL View precise X and Y angle readings with large, easy-to-read numbers. Horizontal and vertical bar indicators give you a quick visual reference for alignment. KEY FEATURES • Real-time angle measurement updated 60 times per second • Bubble and digital display modes • Calibration system — set any surface as your zero reference • Save and organize unlimited angle readings with notes • Haptic feedback when level is achieved • Works in portrait and landscape orientation • Grid overlay for enhanced visual precision • Dark interface designed for job site visibility SAVE & ORGANIZE Tap to save any reading with automatic timestamps. Add custom names and notes to keep your measurements organized. Review, rename, or delete saved records anytime. CALIBRATE WITH CONFIDENCE One-tap calibration lets you set your current position as the zero reference point. Calibrate on a known level surface for maximum accuracy. Reset calibration anytime to return to factory defaults. BUILT FOR PROFESSIONALS & DIY Whether you're hanging picture frames, leveling furniture, checking floor slopes, aligning shelves, or working on a construction site — Leveler gives you the precision you need, right in your pocket. No ads. No subscriptions. No internet required. Thank you for your support! Visit nitrio.com for more apps for your iOS devices.

About

ROS Robot

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
Read full description

主要功能:ros2机器人产品,移动端展示激光建图的图像;可以通过移动端控制机器人行走;可以通过移动端设置导航点。 兼容ros1机器人产品的建图,导航,可以在移动端控制机器人,也可以显示机器人摄像头图像。

Screenshots

Leveler Plus4 screens
ROS Robot4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Leveler Plus versus ROS Robot: the parameters behind the verdict, then further details
ParameterLeveler PlusROS Robot
Price$2.99Free — better
Rating5.0 (1 ratings) — better1.0 (2 ratings)
Positive reviews—0.0% of reviews
Number of ratings12 — better
Update frequencyEvery 17 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS17.69.0 — better
Further details — not scored
Size1 MB23 MB
Age rating4+17+
DeveloperHeng Jia Liang少佳 朱

Customer experience

Leveler Plus

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

ROS Robot

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Leveler Plus

No in-app purchases

None

ROS Robot

No in-app purchases

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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