STYM vs PreventivOk
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
STYM
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Are you a contractor, freelancer, plumber, electrician, or small business owner? Your time is valuable, and spending it in front of a PC to create an estimate... well, itβs not ideal. What if you could manage everything right from your smartphone, wherever you are on the job site? Welcome to STYM - Smart Estimates, the management and estimating software that turns your phone into your best business partner. Stop wasting time with complicated layouts in Word or Excel: with our new integrated AI Assistant, you can not only create perfect PDFs and clean invoices in under a minute, but also make smarter pricing decisions to grow your business and retain your clients. WHAT YOU CAN DO WITH STYM - Smart Estimates! CREATE PROFESSIONAL PDFs IN ONE TAP: Forget messy documents. Enter the client and line items, and the app instantly generates a clean, neatly formatted PDF estimate or invoice ready to be sent. THE AI ASSISTANT WRITES FOR YOU: Stuck for words? Enter a few keywords and the AI will transform them into detailed, professional text. Save time and impress your clients. SMART PRICING ADVICE: Unsure what markup to apply? The AI analyzes your estimate, suggests line items you might have forgotten, and provides a quick profitability analysis to help you win the job. GENERATE READY-TO-SEND EMAILS AND MESSAGES: Don't waste time thinking about what to write. The app automatically creates drafts to accompany your estimate via WhatsApp, Telegram, or Email. Just hit send! CUSTOMIZE WITH YOUR BRAND: Add your company logo, details, and signature for a unique, professional, and recognizable look. SHARE ANYWHERE: Print wirelessly or share the document instantly. Your client will receive the offer in seconds. TRY BEFORE YOU DECIDE (No time limits!) We believe so strongly in the power of the app that we give you your first 3 complete estimates for FREE, with all features active, including AI Assistant advice. Download it today and use it to close your next deals! UNLOCK YOUR BUSINESS POTENTIAL Convinced by the software? With a small annual subscription, you unlock unlimited estimates and advanced invoicing features. A tiny investment to save dozens of hours of bureaucracy, present yourself impeccably, and increase your profit margins. Stop working harder, start working smarter. Download Smart Estimates today and grow your business! NOTA DI TRASPARENZA SUL MARCHIO: Privacy Policy: https://stym.pro/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
PreventivOk
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Create professional quotes, customize your PDF and share it with your clients. PreventivOk helps tradespeople, freelancers and small businesses manage quotes, clients and costs in one app, with support from Poki, the built-in AI assistant available with the Premium plan. FROM JOB DETAILS TO A QUOTE β’ Add services, tasks, quantities and prices. β’ Use suggestions and reuse saved items. β’ Calculate totals automatically. β’ Save, edit and duplicate quotes for your next jobs. β’ Track quote status and find previous quotes. PROFESSIONAL PDFS TO SHARE Present your clients with a clear, well-organized document. Export your quote as a PDF and share it directly from the app. With the Premium plan, you can customize the PDF template and fields, and add a signature. POKI: YOUR AI ASSISTANT, WITH VOICE INPUT Type or dictate your request: Poki helps you find information and prepare client records and quotes. Provide client details, job items and prices, then review the draft and confirm the action. Dictation lets you compose requests without typing everything, even when youβre working away from the office. Poki requires an active Premium plan and is subject to the planβs usage limits. CLIENTS AND HISTORY AT YOUR FINGERTIPS Organize your contacts and view the quotes associated with each client. Find the information you need when preparing a new proposal or returning to a previous job. TRACK COSTS AND BUSINESS PERFORMANCE Record business expenses and view statistics and summaries to track costs, earnings and how your business is doing. BUILT FOR YOUR WORK PreventivOk is designed for plumbers, electricians, painters, carpenters, construction businesses, technicians, consultants and other professionals who prepare quotes for their clients. GET STARTED WITH THE FREE PLAN Create your first quote and discover tools to organize your work. Available features and usage limits depend on your chosen plan; some features require a subscription. Terms of Use: https://www.preventivok.com/termsOfUse Privacy Policy: https://www.preventivok.com/privacyPolicy
Screenshots
Verdict
The clearest difference is update cadence: STYM at every 4 days against PreventivOk's fortnightly. On price, ads, in-app purchases 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
Both are free to download. STYM sells 3 in-app purchases, starting at $12.99 per month and PreventivOk sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
STYM ships an update every 4 days, PreventivOk fortnightly. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.
| Parameter | STYM | PreventivOk |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days β better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 β better | 16.6 |
| Further details β not scored | ||
| Size | 86 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Geoplan s.r.l. | Antonio Augello |
In-app purchases
STYM
- Premium$12.991 Month
- Premium Annual7 Days trial$89.991 Year
- Annuale$89.991 Year
PreventivOk
- Advanced$2.991 Month
- Premium$4.991 Month







