Comparison

Kain vs Invoice Maker and Estimates ⁺

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Kain

Features
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Découvrez une nouvelle façon de faire du shopping avec Kain ! Notre application vous permet de parcourir facilement des milliers de produits disponibles chez vos commerçants locaux préférés, le tout depuis le confort de votre domicile. Grâce à notre fonctionnalité de recherche audio intuitive, il vous suffit de prononcer ce que vous recherchez et notre application vous présentera instantanément une sélection de produits correspondant à vos besoins.

About

Invoice Maker and Estimates ⁺

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Our app is a convenient tool for quickly creating professional invoices and documents directly from your smartphone. It's perfect for freelancers, consultants, designers, coaches, and small business owners who need to quickly issue invoices and collect payments without unnecessary complications. Create stylish PDF invoices in just a few steps: add products and services, taxes, client information, payment methods, and send the finished document instantly. Personalize the appearance by changing colors, currencies, and adding your company logo to ensure your invoices match your brand. Monitor the status of your documents in a convenient dashboard: view paid and outstanding invoices in real time. Export files to PDF, send them by email, or save them to your device. Some features are available with a subscription, including: • unlimited invoice creation • adding a company logo • client retention • premium PDF themes and design The app offers paid subscriptions with automatic renewal. You can manage or cancel your subscription at any time through your Apple ID account settings. Privacy Policy: https://docs.google.com/document/d/1nCNOb9RKxsu2Gx58NovITyImkGnl5zzLa-Fv6kTkshg/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1PE9q2TSdp5Jx7mmUUca79LHP1lxx49YKaxkh40HGuxw/edit?usp=sharing"

Screenshots

Kain4 screens
Invoice Maker and Estimates ⁺4 screens

Verdict

The call

The clearest difference is in-app purchases: Kain at none against Invoice Maker and Estimates ⁺'s 2. Kain also leads on device support (3 vs 1). Invoice Maker and Estimates ⁺'s advantage is update cadence (every 4 days vs every 3 months). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Invoice Maker and Estimates ⁺ sells 2 in-app purchases, starting at $4.99 per 7 days. Kain asks for nothing beyond the download.

UpkeepUpdate frequency

Kain ships an update every 3 months, Invoice Maker and Estimates ⁺ every 4 days. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 3 level
Kain versus Invoice Maker and Estimates ⁺: the parameters behind the verdict, then further details
ParameterKainInvoice Maker and Estimates ⁺
PriceFreeFree
Update frequencyEvery 3 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better16.0
Further details — not scored
Size74 MB7 MB
Age rating17+4+
DeveloperICAMOBAPPALACHIAN INDUSTRIAL SERVICES LLC

In-app purchases

None

Kain

No in-app purchases

2 purchases

Invoice Maker and Estimates ⁺

Subscriptions2
  • Weekly$4.997 Days
  • Weekly Trial3 Days trial$4.997 Days

Questions

Is Kain free?
Kain is free to download, with no in-app purchases.
Is Invoice Maker and Estimates ⁺ free?
Invoice Maker and Estimates ⁺ is free to download, with in-app purchases available.
Do Kain or Invoice Maker and Estimates ⁺ have ads?
Neither Kain nor Invoice Maker and Estimates ⁺ shows ads.
Which is updated more often, Kain or Invoice Maker and Estimates ⁺?
Kain ships an update every 3 months, and Invoice Maker and Estimates ⁺ every 4 days. Most recently, Kain was updated on October 14, 2026 and Invoice Maker and Estimates ⁺ on October 9, 2026.

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