Postar vs Invoice Maker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Postar
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Postar is digital signage dedicated for small businesses. Easy and affordable. Make digital posters for product promotions, menus, specials, sales or offers. Display them in your shop on any TV or iPad. Save time and money on printers, designers and chalkboard. Grab customers’ attention and improve sales. * Your poster is ready in seconds Simply add your message to a pre-designed poster template. No design skills required. *Share online Reach your customers wherever they are – Facebook, Twitter, email and more. *Display on your iPad Put your iPad on the counter to entice customer to buy something extra. *Display on any TV Put your posters on a big screen so more people can see them. Plug in a Google Chromecast into your TV to get started. Requires subscription. *Unlimited posters Never run out of space. Create as many posters as you like and update them instantly from your mobile.
Invoice Maker
Quickly generate professional estimates and invoices for construction jobs using AI. Simply describe the work, upload photos, and answer a few questions to get a detailed, ready-to-send document in seconds. Ideal for tradespeople and contractors needing fast, accurate paperwork.
- AI-drafted estimates and invoices
- Describe jobs via text or voice
- Photo analysis for accurate line items
- Professional PDF output
- Email estimates and invoices directly
- Convert estimates to invoices
- Track document status
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Create a professional estimate in under a minute. Built for tradespeople, contractors, and construction workers who want fast, clean paperwork without the clutter. Describe the job — type it or just speak it — and the built-in AI drafts a complete, ready-to-send estimate or invoice in seconds. No blank page, no accounting jargon, no fiddling with line items by hand. Made for the people doing the work: electricians, plumbers, painters, builders, and solo freelancers on the tools every day. Estimates in a Minute • Describe a job in plain language — type it or speak it out loud • Snap a few job photos and let the AI read them for a sharper, more accurate estimate • Answer a few quick questions — only the ones that actually affect the price • Get a full line-item draft with labor hours and materials in seconds • Review, adjust, and send — done before you've left the driveway AI Features • Drafts both estimates and invoices from a plain description • Reads your job photos for accurate, realistic line items • Asks smart, price-relevant questions so nothing gets missed • Pricing adapts to your country, tax rates, and hourly rate Key Features • Create invoices and estimates in a few taps • Clean, professional PDF output • Email estimates and invoices directly to your customer from your phone • Client details with address, tax, and company info • Line items with quantity, price, and tax • Smart due dates and payment terms • Convert estimates to invoices • Track status at a glance Premium Features • AI-drafted estimates and invoices • Send and print documents • Unlimited invoices and estimates • Unlimited estimate conversions Privacy: Your data stays on your device unless you choose to share it. Job photos and descriptions are sent securely to our AI service only to draft your estimate — they are never stored. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is device support: Invoice Maker at 2 against Postar's —. Postar's advantage is iOS requirement (7.0 vs 15.1). On price and in-app purchases 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. Postar sells 2 one-off in-app purchases and Invoice Maker sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | Postar | Invoice Maker |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.2 (5 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | — | Every 11 days |
| Ads | — | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | — | iPhone, iPod — better |
| Requires iOS | 7.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 23 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | LITTLE VOICE (BYOD & DIY) LTD | Simon Jansen |
In-app purchases
Postar
- 1 Month subscription$19.99
- One year subscription$249.99
Invoice Maker
- Pro Weekly$4.997 Days
- Pro Monthly$9.991 Month
- Pro Yearly$99.991 Year
- Pro Unlimited$99.99






