Comparison

Invoice Simple App vs CollectKindness

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

Head to head
About

Invoice Simple App

Easily create and customize professional invoices, estimates, and receipts. Automatically generate documents from estimates with a single tap. Supports custom templates, company logos, and payment terms for efficient billing.

Highlights
  • Customizable invoice templates
  • Generate PDF invoices and estimates
  • Add company logo
  • Include payment terms
  • Create receipts
  • Discount and tax options
  • Client setup from contacts
Features
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Invoice Maker App is an easily customized Invoice app, automatically generate invoices from estimates with one tap. FEATURES: • Invoice and bill for product & service. • Customize your invoice template. • Customize invoice fields. • Customize your company logo. • Create a PDF invoice or estimate. • Sign your invoice. • Include invoice payment terms. • Generate receipts. • Discount on item or total, tax on item. • Quickly set up clients from your phone contact list. You can choose a weekly subscription or yearly subscription (3 days trial). – Payment will be charged to iTunes Account at confirmation of purchase (After free trial period if offered). – Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. – Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. – Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. – Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://sites.google.com/view/invoice-maker-app-policy/ Terms of Use: https://sites.google.com/view/invoice-maker-app-terms/

About

CollectKindness

Features
Read full description

Charity Flow is your go-to mobile app for managing donation box collection and drop-off tasks. Designed for field workers, it ensures smooth coordination and effective tracking. For Field Workers: • Access assigned collection tasks and routes anytime. • Update task statuses as Picked, Not Picked, or No More with ease. • Notify donors automatically about the amount collected from their address. • Streamline the collection process with clear and efficient workflows. Why Choose Charity Flow? • Simplifies task management for field workers. • Enables real-time status updates for accuracy. • Builds trust with automated donor notifications. • Empowers charities to focus on what matters most—helping others.

Screenshots

Invoice Simple App4 screens
CollectKindness4 screens

Verdict

The call

The clearest difference is in-app purchases: CollectKindness at none against Invoice Simple App's 3. CollectKindness also leads on ads (none vs shown) and update cadence (every 3 days vs every 4 weeks). On price 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. Invoice Simple App sells 3 in-app purchases, starting at $5.99 per 7 days. CollectKindness asks for nothing beyond the download.

UpkeepUpdate frequency

Invoice Simple App ships an update every 4 weeks, CollectKindness every 3 days. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

Scorecard4 real differences · 6 level
Invoice Simple App versus CollectKindness: the parameters behind the verdict, then further details
ParameterInvoice Simple AppCollectKindness
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 4 weeksEvery 3 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size85 MB22 MB
Age rating4+17+
DeveloperCaprinix LLCKNARKZ SOLUTIONS LIMITED

In-app purchases

3 purchases

Invoice Simple App

Subscriptions2
  • Unlock all features per week$5.997 Days
  • Manage All Invoices Per Year3 Days trial$49.991 Year
One-time1
  • Auto-manage & dispatch invoice$69.99
None

CollectKindness

No in-app purchases

Questions

Is Invoice Simple App free?
Invoice Simple App is free to download, with in-app purchases available.
Is CollectKindness free?
CollectKindness is free to download, with no in-app purchases.
Do Invoice Simple App or CollectKindness have ads?
Invoice Simple App shows ads; CollectKindness does not.
Which is updated more often, Invoice Simple App or CollectKindness?
Invoice Simple App ships an update every 4 weeks, and CollectKindness every 3 days. Most recently, Invoice Simple App was updated on September 10, 2026 and CollectKindness on September 18, 2026.

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