Comparison

SmartDocs Library vs DueKind Invoice Follow Up

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

Head to head
About

SmartDocs Library

Features
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Our Mission: Organize your documents, save you time. SmartDocs Library turns folders you choose into organized document libraries. An Inbox centered workflow let's you scan documents, import files, or share them from other apps. SmartDocs helps you review each document, extract searchable text, add dates, tags, move it into the right folder, and give it a reasonable filename. SmartDocs works around folders you control. Your documents stay in your selected locations, while SmartDocs adds the structure, metadata, search, and workflow you need to make them useful. Main Features: - Turn any folder into a managed document library with full control over your files - Quickly scan, import, and share files from other apps into a focused Inbox - Extract searchable text with OCR and text processing - Add titles, dates, tags, notes, and custom fields - Use folder policies for smart file naming, retention, archive, and trash - Follow-up on important documents with notifications - Organize multiple libraries - Automate scanning and imports with Shortcuts - Works across iPhone, iPad and Mac Built for personal admin, freelancers, and anyone who wants documents filed properly instead of scattered across downloads, messages, and random folders. -- End-User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

DueKind Invoice Follow Up

Features
Read full description

DueKind helps freelancers follow up on unpaid invoices without sounding pushy. Add an overdue invoice, paste client context, or attach a screenshot. DueKind turns the situation into a clear reminder sequence with warm, professional, direct, and firm draft options. Track what you sent, when to follow up next, and which clients still need attention. Built for freelancers, consultants, contractors, creators, and small studios who want to stay professional while protecting their cash flow. Features: - Generate polite payment reminder drafts - Create Day 1, Day 3, Day 7, and Day 14 follow-up sequences - Adapt tone for email, SMS, WhatsApp, and LinkedIn - Track late invoices and next actions - Add invoice or chat screenshots for context - Copy, share, and edit every draft - Keep case history stored on your device DueKind is a drafting and organization tool. It does not send messages automatically, collect payments, provide legal advice, or replace accounting software.

Screenshots

SmartDocs Library4 screens
DueKind Invoice Follow Up4 screens

Verdict

The call

The clearest difference is iOS requirement: DueKind Invoice Follow Up at 13.0 against SmartDocs Library's 17.0. On price, ads, in-app purchases and device support 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. SmartDocs Library sells 9 in-app purchases, starting at $2.99 per month and DueKind Invoice Follow Up sells 1 in-app purchase, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference ¡ 5 level
SmartDocs Library versus DueKind Invoice Follow Up: the parameters behind the verdict, then further details
ParameterSmartDocs LibraryDueKind Invoice Follow Up
PriceFreeFree
Update frequencyDaily—
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size17 MB36 MB
Age rating4+4+
DeveloperThies Harm LandsbergerAariz Rasheed

In-app purchases

9 purchases

SmartDocs Library

Subscriptions2
  • SmartDocs Library Pro Monthly7 Days trial$2.991 Month
  • Smart Docs Library Pro Yearly7 Days trial$17.991 Year
One-time7
  • Small Coffee$1.99
  • Medium Coffee$3.99
  • Large Coffee$5.99
Show 4 more
  • Small Meal$7.99
  • Healthy Meal$12.99
  • 1kg Coffee$22.99
  • SmartDocs Pro$49.99
1 purchases

DueKind Invoice Follow Up

Subscriptions1
  • DueKind Pro Monthly$5.991 Month

Questions

Is SmartDocs Library free?
SmartDocs Library is free to download, with in-app purchases available.
Is DueKind Invoice Follow Up free?
DueKind Invoice Follow Up is free to download, with in-app purchases available.
Do SmartDocs Library or DueKind Invoice Follow Up have ads?
Neither SmartDocs Library nor DueKind Invoice Follow Up shows ads.

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