Comparison

Toolbox vs Ring Sizer & Ruler

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

Head to head
About

Toolbox

Features
Read full description

Your phone is more powerful than you think. Magic Tools turns your iPhone into 20 precision instruments: - Compass β€” magnetic & true north heading, GPS coordinates, bearing lock - Ruler β€” real-size cm & inch ruler with credit card calibration - Level β€” bubble level, inclinometer, dual-axis tilt measurement - Sound Meter β€” real-time decibel meter with VU gauge and history graph - Magnifier β€” camera zoom up to 10x with flash, freeze & save - Metal Detector β€” magnetometer-based detector with audio feedback - Flashlight β€” adjustable brightness, strobe mode, SOS morse signal - Protractor β€” gyroscope angle measurement with zero reference - Unit Converter β€” length, weight, temperature, speed, volume & more - QR Scanner β€” scan QR codes, barcodes, EAN, auto-detect links, Wi-Fi, contacts - Speedometer β€” GPS speed, max, average, distance & elapsed time - Heart Rate β€” pulse measurement via camera with waveform display - Color Picker β€” identify any color from camera in HEX, RGB, HSL - Night Vision β€” real-time camera amplification with green/amber/red tints - Sound Recognition β€” identify ambient sounds around you - Frequency Generator β€” generate any audio frequency - Wi-Fi Scanner β€” discover devices on your network - Echo Distance β€” measure distance using sound echo - Star Map β€” identify stars and constellations with AR - Exercise Counter β€” count reps with camera-based motion tracking No internet required. No ads. No tracking. No data collected. Everything runs 100% on your device.

About

Ring Sizer & Ruler

Features
Read full description

Mesurix finds your ring size right on your screen. No plastic sizers, no printable guesswork charts, no waiting for a kit in the mail β€” measure a ring or a finger in under a minute and get the size in every major standard. RING SIZER β€” TWO WAYS TO MEASURE β€’ Place a ring: lay any well-fitting ring flat on the screen and scale the circle until it matches the inside edge. The most accurate at-home method. β€’ Measure a finger: rest your finger on the screen and fit the circle to the widest part of the base, just past the knuckle. β€’ Fine-tune in 0.1 mm steps β€” one full ring size is only about 0.8 mm, so precision is everything. β€’ Between sizes? Mesurix tells you which one to choose, so the ring always passes the knuckle. EVERY SIZE STANDARD AT ONCE β€’ Instant conversion chart: US/CA, UK/AU, EU/ISO millimetres and Japan β€” side by side. β€’ Pick your preferred standard in settings; switch anytime. β€’ See the exact inner diameter in mm behind every size. ON-SCREEN RULER β€’ A real calibrated ruler in mm, cm and inches, with a draggable guide line. β€’ Calibrate once for your exact display β€” re-calibrate anytime for any device. β€’ Copy the measured value with one tap. BUBBLE LEVEL β€’ Surface mode: lay the phone flat and level anything with a live x/y bubble. β€’ Edge mode: rest the phone on its edge and read the angle in degrees β€” hang shelves and frames straight. β€’ Set zero on any known-flat surface to cancel sensor bias. SAVE, SHARE, PRINT β€’ Save sizes β€” yours and the people you choose gifts for. β€’ Share a size in seconds when you order a ring online or at the jeweler. β€’ Print a paper ring sizer to double-check before a lifetime moment β€” engagement, wedding, anniversary. PRIVATE BY DESIGN Mesurix works entirely on your device. No account, no sign-up β€” your measurements stay with you. Whether you are choosing an engagement ring, ordering jewelry online, sizing a gift without spoiling the surprise, hanging a shelf straight, or just need a quick ruler in your pocket β€” Mesurix gives you the right measurement the first time. By using this app, you agree to the Apple Standard End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Toolbox4 screens
Ring Sizer & Ruler4 screens

Verdict

The call

The clearest difference is price: Ring Sizer & Ruler at Free against Toolbox's $3.99. Ring Sizer & Ruler also leads on iOS requirement (15.6 vs 17.6). Toolbox's advantage is in-app purchases (none vs 4). On update cadence, ads and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Ring Sizer & Ruler is free to download; Toolbox costs $3.99 up front. Ring Sizer & Ruler sells 4 in-app purchases, starting at $9.99 per 7 days. Toolbox asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

Scorecard3 real differences Β· 3 level
Toolbox versus Ring Sizer & Ruler: the parameters behind the verdict, then further details
ParameterToolboxRing Sizer & Ruler
Price$3.99Free β€” better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.615.6 β€” better
Further details β€” not scored
Size23 MB46 MB
Age rating4+4+
DeveloperVladimir RodzaevskiyVAST FLOW, TOO

In-app purchases

None

Toolbox

No in-app purchases

4 purchases

Ring Sizer & Ruler

Subscriptions2
  • Weekly | Mesurix Pro$9.997 Days
  • Yearly | Mesurix Pro$39.991 Year
One-time2
  • Lifetime Access$14.99
  • Mesurix Pro Lifetime$29.99

Questions

Is Toolbox free?
Toolbox costs $3.99, with no in-app purchases.
Is Ring Sizer & Ruler free?
Ring Sizer & Ruler is free to download, with in-app purchases available.
Do Toolbox or Ring Sizer & Ruler have ads?
Neither Toolbox nor Ring Sizer & Ruler shows ads.
Which is updated more often, Toolbox or Ring Sizer & Ruler?
Toolbox ships an update every 2 months, and Ring Sizer & Ruler every 2 months. Most recently, Toolbox was updated on November 9, 2026 and Ring Sizer & Ruler on November 10, 2026.

Other comparisons