About this app
If you aren't tracking every penny, you're losing money. Period. CostHammer isn't just a tool — it's your entire office, your project manager, and your CPA in your pocket. **NEW: AI THAT BUILDS THE ESTIMATE FOR YOU** Just describe the job in plain words — "kitchen remodel, 12 cabinets, 40 sq ft of counters, new sink" — and CostHammer drafts the whole estimate. Review it, adjust the numbers, done. Runs right on your iPhone: private and works offline. **ESTIMATES YOUR WAY** Tap items from your price catalog, or just type the work and your price — "Tile install, $2,000." No catalog needed. Build a full estimate in under a minute. **ESTIMATE-TO-CONTRACT PIPELINE** Turn a lead into an estimate, then convert it to a professional contract in one tap. Scope, payment schedule, and terms auto-filled. **ON-GLASS SIGNATURES** Get the contract signed right on your iPhone. No printers, no "I'll email it later." Change orders get signed on the spot too. **THE DIGITAL JOB TRAILER** Before/after/progress photos, blueprints, permits, and receipts — every project's files organized in one folder, 24/7. **REAL-TIME PROFIT TRACKER** Track every dollar in and out — material buys to sub payments — and see your exact margin on the fly. **3D ROOM SCANNER** Walk a room, scan it in seconds, keep the 3D model in the project folder. Measurements done before you leave the site. **TAX SEASON MADE EASY** Pull a full archive of any project — every expense, receipt, and payment in one clean report. Your accountant will love you. **TRY IT FREE FOR 7 DAYS** — everything unlocked, no card required. Don't leave your margins to chance. If you aren't tracking, you're losing. Download CostHammer and nail your numbers. Privacy Policy: https://www.gbgconstructioninc.com/costhammer/privacy-policy Terms of Use: https://www.gbgconstructioninc.com/costhammer/terms-of-use
Latest release
What’s New
Big update, CostHammer now builds estimates FOR you. AI ESTIMATING (NEW) Describe the job in plain words, "bathroom remodel, tile 60 sq ft, new vanity, paint" and CostHammer drafts the entire estimate. Review the lines, tweak quantities, add to your quote. Runs on your iPhone, so it's private and works offline. TYPE-YOUR-OWN ITEMS (NEW) Already know the job and the price? Just type it in "Tile install, $2,000" no catalog required. Or price by quantity like always. START FROM SCRATCH New "Start Estimate" button takes you from blank to signed contract without ever opening the catalog. NOW FREE TO TRY Every feature unlocked free for 7 days, no card needed. After that, keep working on the free plan or go Pro for unlimited estimates, contracts, and 3D scans — monthly or annual. SIGN & APPROVE CHANGE ORDERS Extra work mid-job? Document it and have the client sign right on your phone. NEW WELCOME TOUR A quick, skippable walkthrough shows you everything the app can do. Replay it anytime from Settings. Plus faster performance, more reliable photo and document storage, and a batch of behind-the-scenes fixes. Don't leave your margins to chance. Nail your numbers.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 4, 2026 · 4:59 AM Free
Screenshots
