Smart Tools! vs PDF Slim
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Tools!
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Smart Tools brings the measurement and construction utilities you reach for on a job site into one clean, easy-to-use app. Whether you are hanging a picture, checking a surface, estimating materials, or reading sensor levels, Smart Tools helps you get accurate results without switching between multiple apps. Built for contractors, tradespeople, DIY homeowners, and anyone who works with their hands, Smart Tools combines leveling, outdoor navigation, measurement, construction math, and sensor tools in a single toolkit you can carry in your pocket. What you can do with Smart Tools • Level surfaces with a responsive bubble level and angle readout • Find direction with a digital compass and declination support • View GPS coordinates, altitude, and speed for outdoor work • Measure with an on-screen ruler in metric and imperial units • Estimate real-world distance and height using AR surface detection • Check angles with a sensor-based and camera protractor • Convert length, area, volume, mass, pressure, and speed units • Calculate paint, tile, flooring, concrete, and pipe quantities • Read sound levels, light intensity, magnetic fields, and vibration • Save favorites and search tools quickly from the home screen • Switch between light, dark, and system appearance • Calibrate sensor tools and reset calibration when needed Designed for real-world use Smart Tools is made for practical tasks: leveling a shelf, checking a wall angle, confirming coordinates on site, estimating how much paint or tile you need, or taking a quick sound or light reading. Tools are organized by category so you can open what you need in seconds. AR measurement tools use your device camera to detect surfaces and estimate distance and height in the environment around you. Sensor tools use your phone’s built-in hardware to display live readings on screen. Construction calculators help you plan material quantities with clear inputs and useful results you can share. Privacy and your data No account is required. Measurements, calculator entries, favorites, and settings are stored locally on your device. Smart Tools requests camera, location, microphone, and motion permissions only when a specific tool needs them. You can manage permissions anytime in iOS Settings. Smart Tools is free to download and supported by ads. We do not require you to create a profile or sign in to use the app. Download Smart Tools today and keep leveling, measuring, calculating, and sensing tools ready whenever you need them.
PDF Slim
Reduce the size of your PDF files with adjustable quality settings. Save or share compressed documents directly from the application. Access detailed information about each PDF.
- Compress PDF files
- Adjustable quality levels
- Save compressed PDFs
- Share instantly
- View PDF details
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Compress the file size of your PDF documents with ease Choose from different PDF quality levels to control the compression rate Save compressed PDFs or share them instantly from the app View detailed PDF information, including the file name, creation date, and file size
Screenshots
Verdict
The clearest difference is ads: Smart Tools! at none against PDF Slim's shown. PDF Slim's advantage is update cadence (daily vs weekly). On price, in-app purchases, device support and iOS requirement 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Smart Tools! ships an update weekly, PDF Slim daily. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.
| Parameter | Smart Tools! | PDF Slim |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Weekly | Daily — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 66 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | VENUSAPPS PRIVATE LIMITED | GwanRyel Lee |
In-app purchases
Smart Tools!
No in-app purchases
PDF Slim
No in-app purchases
Questions
Is Smart Tools! free?
Is PDF Slim free?
Do Smart Tools! or PDF Slim have ads?
Which is updated more often, Smart Tools! or PDF Slim?
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