Comparison

Toolbox™ vs Ruler 2.0

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

Head to head
About

Toolbox™

This app provides a collection of 12 essential utility tools for your iPhone, including a flashlight, magnifier, unit converter, and more. It offers a versatile and functional solution for everyday tasks and measurements.

Highlights
  • Adjustable flashlight with compass
  • Magnifying glass with light
  • Unit converter with currency exchange
  • Tip calculator and bill splitter
  • Fraction calculator
  • Stopwatch with 1/100 second accuracy
  • Spirit and surface level
  • Ruler with sliders
  • Protractor
  • Battery information
Features
Read full description

iMetalBox is the most elegant and handy toolkit ever created for your iPhone. Get 12 professional tools for the price of one! -------------------------------- User reviews: • "Nicely done ! Clever design and a must have for all. " - Dr5000 • "Pretty much any useful utility you'll need." - kfduv • "Versatile, functional, and easy to use." - MuzikGawd • "I love how the flashlight can be turned on as the first thing and that the light can be dimmed." - Reitveld • "This is my go to device for flashlight, stopwatch, levels, and it even has a built-in ruler." - grailpuffin • "Best compact app ever. It is very useful apps for daily use" - tinymoon -------------------------------- • Flashlight The brightest, fastest and most advanced flashlight for iPhone. It contains a compass and the brightness is adjustable. • Magnifier Transforms your phone into a magnifying glass with light. It will help you to read small text when you forgot your glasses. • Unit Converter Elegant and powerful unit converter with 16 categories. It can convert most currencies in the world. The exchange rate is updated frequently. • Tip Calculator Offer quick and easy way to calculate tips and split the bill among friends. Cash rounding is included for convenient. • Fraction Calculator Helps you to solve fraction maths quickly and easily. For example feet and inch calculator. • Stopwatch Great for timing sport events and contest. It has a hybrid design that combine both mechanic and digital stopwatch. Accurate to 1/100 second. Records can be copied to the clipboard. • Spirit level Use this tool to measure angles of any object. You can use this tool for picture alignment and home decoration. • Surface level Measure the slope of any flat surface such as pool table and table tops. • Ruler Support both inches and centimeters. It contains sliders to help measure small objects. • Protractor Measure angles from 0 to 180 degrees. Support degree and radian mode. • Battery Info Displays remaining time for various type of tasks such as surfing the internet or playing games. • Features: - A mini compass is included with the flashlight - Flashlight brightness is adjustable (iOS6 and later) - Authentic looking mechanical stopwatch - Calibrate and lock buttons for levels - Ruler with sliders for precise measurement

About

Ruler 2.0

This app provides a precise on-screen measuring tool for your iPhone or iPad. Easily measure length and width in centimeters, millimeters, or inches, with options to save measurements as photos and customize the ruler's appearance. It's designed for accurate, user-friendly measurements.

Highlights
  • On-screen ruler
  • Measure length and width
  • Centimeters, millimeters, inches
  • Save measurements as photos
  • 3 ruler color options
  • Manual measurement adjustment
Features
Read full description

Ruler 2.0 - ruler app for high measurement accuracy on the iPhone and iPad. Accurate, exact, precise, precision, correct, true, easy to use and free - these are the words that can describe this ruler app the best way.   - Save the measurement as a photo   - 3 colors of the ruler for your comfort   - Centimeters, millimeters or inches   - Measure the length only or width and length at the same time Tap on the measurement result to change it manually. Pan with two fingers anywhere on the screen for even higher accuracy. Measure every length and width with precision on-screen Ruler 2.0. Choose your preferred units of measurement - inches (inch), centimeters (cm) or millimeters (mm). Metric and Imperial systems are supported. Use on-screen ruler as you wish. Tap "Save" button to save the result to the Camera Roll of your device.

Screenshots

Toolbox™4 screens
Ruler 2.04 screens

Verdict

The call

The clearest difference is review sentiment: Toolbox™ at 83% against Ruler 2.0's 30%. Toolbox™ also leads on rating (4.7 vs 3.9) and ratings volume (4.3K vs 205). Ruler 2.0's advantage is price (Free vs $1.99). On 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

Ruler 2.0 is free to download; Toolbox™ costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Toolbox™ holds the better App Store score, 4.7 against 3.9. That said, the two scores are not equally well evidenced: Toolbox™ has 4.3K ratings behind it against 205, so its average is the more settled of the two. Written reviews point the same way: 83% of Toolbox™'s written reviews are positive against 30% of Ruler 2.0's.

UpkeepUpdate frequency

Toolbox™ ships an update every 2 months, Ruler 2.0 every 5 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
Toolbox™ versus Ruler 2.0: the parameters behind the verdict, then further details
ParameterToolbox™Ruler 2.0
Price$1.99Free — better
Rating4.7 (4.3K ratings) — better3.9 (205 ratings)
Positive reviews82.5% of reviews — better29.6% of reviews
Number of ratings4.3K — better205
Update frequencyEvery 2 months — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.3 — better12.0
Further details — not scored
Size46 MB15 MB
Age rating4+4+
DeveloperTue Nguyen MinhOleg Osipov

Customer experience

Toolbox™

All ratings4,314 ratings
Positive92.7%
Neutral3.8%
Negative3.5%
Written reviews309 reviews
Positive82.5%
Neutral5.5%
Negative12.0%

Ruler 2.0

All ratings205 ratings
Positive71.2%
Neutral4.4%
Negative24.4%
Written reviews71 reviews
Positive29.6%
Neutral8.5%
Negative62.0%

User reviews

Toolbox™

From 4.3K App Store ratings

What we love

  • 👍 Useful collection of tools
  • 🚀 Efficient and easy to use
  • 💡 Innovative features like magnifier and flashlight
  • 🔍 Accurate measurement tools
  • ⚙️ Versatile utility app

Room to improve

  • 🐛 Ruler not calibrated for newer iPhone models
  • 🐛 Certain tools not functioning as expected
  • 🔒 Upgrade issues with locked features
  • 🔋 Battery drain issues with some tools
  • 🤔 Confusing or lacking instructions

Ruler 2.0

From 205 App Store ratings

What we love

  • 👍 Simple and easy to use
  • 💡 Precise measurements (when working)
  • ✨ Free with no ads
  • ✅ Lightweight and small size
  • 🎯 Good for small item measurements

Room to improve

  • 🐛 Frequent crashes
  • 📏 Inaccurate measurements on newer phones
  • 📱 Not optimized for high DPI screens
  • 📉 Scale is off by ~50% on newer models
  • ⚠️ Support link is shady

Bugs and requests

Toolbox™

Reported bugs

5 issues
  • Ruler measurements are inaccurate
  • Magnifier tool not working
  • Protractor not calibrating correctly
  • Flashlight and strobe mode issues
  • Currency converter not functioning

Requested features

5 requests
  • Add decimal point to calculator
  • Improve accuracy of ruler and measurement tools
  • Implement unit conversion for photo measurement
  • Add countdown timer feature
  • Optimize app for latest iPhone models

Ruler 2.0

Reported bugs

8 issues
  • Crashes after a few seconds
  • Keeps crashing
  • Wrong scale/dimension measurement on newer iPhones (13, 14, 15 series, SE 2022)
  • Inches are too small (e.g., 1cm shows as smaller than 4mm)
  • Measurements are off by about half
Show 3 more
  • Screen scale wrong (1cm showing smaller than 4mm)
  • Grid is shrunk on newer iPhones
  • App frequently corrects '20' to '2.0'

Requested features

7 requests
  • Update for newer iPhone displays (high DPI)
  • Manual adjustment for screen size/resolution
  • Add option to manually enter dimensions
  • Add inch fractions as measurement option
  • Allow adjustable text font size when saving
Show 2 more
  • Implement lighter background option (plain white)
  • Make the measuring line not reset based on finger position

In-app purchases

None

Toolbox™

No in-app purchases

None

Ruler 2.0

No in-app purchases

Questions

Is Toolbox™ free?
Toolbox™ costs $1.99, with no in-app purchases.
Is Ruler 2.0 free?
Ruler 2.0 is free to download, with no in-app purchases.
Which has better reviews, Toolbox™ or Ruler 2.0?
Toolbox™ is rated higher. Toolbox™ averages 4.7 out of 5 from 4.3K ratings, while Ruler 2.0 averages 3.9 from 205 ratings.
Do Toolbox™ or Ruler 2.0 have ads?
Neither Toolbox™ nor Ruler 2.0 shows ads.
Which is updated more often, Toolbox™ or Ruler 2.0?
Toolbox™ ships an update every 2 months, and Ruler 2.0 every 5 months. Most recently, Toolbox™ was updated on October 29, 2026 and Ruler 2.0 on October 24, 2026.

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