Invoice Maker | Bill Estimator vs GEST Ops
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Invoice Maker | Bill Estimator
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Create stunning professional invoices and estimates in seconds. Smart Invoice Maker gives freelancers, contractors, and small business owners everything they need to bill clients, track payments, and get paid faster — right from their phone. No account required. Your data stays on your device. 20 PROFESSIONAL INVOICE TEMPLATES Choose from 20 beautifully designed templates — sleek modern, bold corporate, and creative styles. Every template generates a crisp PDF ready to send instantly. CREATE INVOICES & ESTIMATES • Build invoices and estimates with an intuitive step-by-step form • Add your logo, stamp, and signature for a polished finish • Set invoice numbers, dates, due dates, and payment terms • Convert estimates to invoices with one tap • Add delivery charges, discounts (fixed or %), and tax MANAGE CLIENTS & PRODUCTS • Save unlimited customer profiles with contact details • Build a reusable product and service catalog • Multiple business profiles for more than one brand • Import clients directly from your phone contacts SMART INVENTORY TRACKING • Track stock levels for each product or service • Low-stock alerts when items fall below 5 units • Automatic stock deduction when invoices are issued • Stock restoration if invoices are deleted or modified • Dedicated inventory screen with add/remove/set adjustment modes • Prevent selection of out-of-stock items at checkout TRACK PAYMENTS & STAY ORGANISED • View all invoices — Paid, Pending, Overdue, and Draft • Revenue summary and payment analytics on your home screen • Automatic overdue detection when payment dates pass • Record partial payments and track outstanding balances SHARE & GET PAID FAST • Generate high-quality PDFs instantly — no internet needed • Share via email, WhatsApp, Messages, or any app • Save to Files or print directly from your phone • Multiple payment method templates (bank, card, PayPal, and more) MAKE IT YOURS • 12 accent color themes to match your brand • Dark mode, light mode, or follow system setting • 5 currency formats, 5 date styles, 5 paper sizes (A4, Letter, Legal, A3, A5) • PDF font options: Helvetica, Times, Courier PRIVATE & SECURE • Data stored locally — zero cloud accounts or sign-ups required • Biometric app lock with Face ID and Fingerprint support GO PRO Upgrade to PRO for the full experience: Remove all ads 10 additional accent color themes Light mode and system display mode Priority support Available weekly, monthly, or yearly. Cancel any time. PERFECT FOR Freelancers · Contractors · Small business owners · Photographers · Designers · Consultants · Tradespeople · Anyone who invoices clients professionally Smart Invoice Maker is the fastest way to create, send, and manage professional invoices on your phone. No complicated setup. No monthly fees to get started. Open the app and send your first invoice in under two minutes. Download free and start getting paid professionally today. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: http://codstars.com/policy.html Customer Support: Have questions or feedback? Contact us at codewizardservices@gmail.com — we read every message and typically respond within 24 hours.
GEST Ops
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The GEST app is a powerful tool designed to streamline and simplify inventory replenishment processes. With a user-friendly interface, the app allows users to effortlessly manage stock levels, track inventory movements, and ensure optimal product availability. Enhance your inventory management with GEST, making replenishment faster and more efficient than ever.
Screenshots
Verdict
The clearest difference is in-app purchases: GEST Ops at none against Invoice Maker | Bill Estimator's 4. GEST Ops also leads on ads (none vs shown). On price, update cadence, 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. Invoice Maker | Bill Estimator sells 4 in-app purchases, starting at $1.99 per 7 days. GEST Ops asks for nothing beyond the download.
Invoice Maker | Bill Estimator ships an update monthly, GEST Ops every 3 weeks. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.
| Parameter | Invoice Maker | Bill Estimator | GEST Ops |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 72 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Code Stars | Vigtech |
In-app purchases
Invoice Maker | Bill Estimator
- Weekly Premium Subscription$1.997 Days
- Monthly Premium Subscription$4.991 Month
- Quarterly Premium Subscription$12.993 Months
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- Yearly Premium Subscription$29.991 Year
GEST Ops
No in-app purchases
Questions
Is Invoice Maker | Bill Estimator free?
Is GEST Ops free?
Do Invoice Maker | Bill Estimator or GEST Ops have ads?
Which is updated more often, Invoice Maker | Bill Estimator or GEST Ops?
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