Comparison

Rul3r vs ToolBox

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

Head to head
About

Rul3r

This utility app provides a portable ruler for on-the-go measurements. It also includes a suite of additional tools like a protractor, spirit level, and various meters for diverse measurement needs.

Highlights
  • Portable ruler
  • Protractor
  • Spirit level
  • Altimeter
  • Decibel meter
  • Plumb line
Features
Read full description

Did you ever want to measure the length of something but you had no ruler at hand? Rul3r was created exactly for situations like this, so that a portable ruler is always available to you on your phone, whenever you need it. What's more, Rul3r provides a lot more tools: * Protractor * Plumb Line * Spirit Level * Elevation, Air Pressure and Location meter * Decibel Meter * Ordinal Date Converter

About

ToolBox

This app provides a suite of essential measurement tools for various projects. It includes a bubble level, bullseye level, protractor, plumb bob, and an AR ruler for precise measurements and alignment.

Highlights
  • Bubble level
  • Bullseye level
  • Protractor for angle measurement
  • Plumb bob for verticality
  • AR Ruler for crafts and DIY
  • 5-in-1 multi-tool
Features
Read full description

With this super easy-to-use toolbox in your pocket, you will be ready to face the world. This simple app packs a quite punch, and is ideal for builders, amateur DIY’ers, pro handyman hubbies, or anyone with an awesome new project in mind. Includes a 5-in-1 everyday multi-tool perfect for getting your next project done properly, with all the right tools. ToolBox comes in handy with: - Bubble level for tasks such as picture frame, mirror and shelf alignment or measuring the inclination of an aircraft, ship, car or mountain - Bullseye level for balancing snooker tables, fish tanks, and more - Protractor for measuring angles and slopes, or tasks such as calculating the pitch of a roof - Plumb bob for checking the verticality of walls and furniture - AR Ruler for art and crafts, home decoration and DIY - And much more... Please feel free to contact us with any questions, problems or ideas via e-mail support@dbmeterpro.com. Terms of Use: https://www.iubenda.com/terms-and-conditions/68289316 Privacy Policy: https://www.iubenda.com/privacy-policy/68289316 App offers an optional monthly subscription: Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions will automatically renew unless autorenew is turned off at least 24-hours before the end of the current period. Your account will be charged for renewal in accordance with your plan, within 24-hours prior to the end of the current period. You can manage or turn off auto-renew in your Apple ID account settings any time after purchase. Please note, any unused portion of a free trial period will be forfeited when making a purchase of an auto-renewing subscription.

Screenshots

Rul3r4 screens
ToolBox4 screens

Verdict

The call

The clearest difference is monetization model: Rul3r at free with in-app purchases against ToolBox's subscription. Rul3r also leads on review sentiment (45% vs 32%). ToolBox's advantage is ads (none vs shown) and update cadence (every 9 days vs every 2 months). On price, rating, ratings volume and in-app purchases 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

Both are free to download. Rul3r sells 1 one-off in-app purchase and ToolBox sells 6 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Rul3r against 4.4 for ToolBox. Both are backed by a comparable volume of ratings — 1K and 1K respectively. Written reviews are what separate them: 45% of Rul3r's written reviews are positive against 32% of ToolBox's.

UpkeepUpdate frequency

Rul3r ships an update every 2 months, ToolBox every 9 days. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 5 level
Rul3r versus ToolBox: the parameters behind the verdict, then further details
ParameterRul3rToolBox
PriceFreeFree
Rating4.5 (1K ratings) — better4.4 (1K ratings)
Positive reviews44.8% of reviews — better32.0% of reviews
Number of ratings1K — better1K
Update frequencyEvery 2 monthsEvery 9 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.011.3 — better
Further details — not scored
Size6 MB112 MB
Age rating4+4+
DeveloperYOYASOFT LLCVlad Polyanskiy

Customer experience

Rul3r

All ratings1,027 ratings
Positive85.7%
Neutral3.9%
Negative10.4%
Written reviews87 reviews
Positive44.8%
Neutral13.8%
Negative41.4%

ToolBox

All ratings1,015 ratings
Positive83.6%
Neutral5.7%
Negative10.6%
Written reviews178 reviews
Positive32.0%
Neutral5.1%
Negative62.9%

Bugs and requests

Rul3r

Not enough reviews yet to summarise bugs or requests.

ToolBox

Reported bugs

3 issues
  • Ruler feature not working
  • App crashes when accessing certain tools
  • Inconsistent angle measurements

Requested features

3 requests
  • Light projection for leveling
  • Rafter span calculations
  • Clear instructions and user guide

In-app purchases

1 purchases

Rul3r

One-time1
  • Remove Ads$2.99
6 purchases

ToolBox

Subscriptions1
  • Premium Access3 Days trial$0.991 Month
One-time5
  • Ruler$0.99
  • 2D Level Tool$1.99
  • Plumb Bob$1.99
Show 2 more
  • Protractor$1.99
  • Pro Pack$7.99

Questions

Is Rul3r free?
Rul3r is free to download, with in-app purchases available.
Is ToolBox free?
ToolBox is free to download, with in-app purchases available.
Which has better reviews, Rul3r or ToolBox?
Rul3r is rated higher. Rul3r averages 4.5 out of 5 from 1K ratings, while ToolBox averages 4.4 from 1K ratings.
Do Rul3r or ToolBox have ads?
Rul3r shows ads; ToolBox does not.
Which is updated more often, Rul3r or ToolBox?
Rul3r ships an update every 2 months, and ToolBox every 9 days. Most recently, Rul3r was updated on September 22, 2026 and ToolBox on September 21, 2026.

Other comparisons