Comparison

Invoice Maker vs When to Post AI

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

Head to head
About

Invoice Maker

Create professional invoices and estimates quickly with customizable templates. Manage clients and projects, track payments, and gain business insights with smart reports. Enhance your brand with custom logos and colors.

Highlights
  • Professional invoice and estimate creation
  • Client and project management
  • Customizable templates with branding
  • Flexible payment options
  • Smart revenue and expense reports
  • Unlimited invoices and estimates
Read full description

Effortless Client & Project Management Keep all client and project information organized in one place. Track progress, store key data, and boost productivity—without the hassle. Streamline Your Billing with Professional Invoices & Estimates Create polished invoices and estimates in minutes—customize templates, add details, and send to clients for a seamless billing experience. Flexible Payment Options Get paid faster with secure, convenient methods—credit cards, bank transfers, and digital wallets. Smart Reports for Better Insights Track revenue, expenses, and payments with detailed reports. Use data-driven analytics to optimize your business performance. Branded Invoices That Stand Out Impress clients with customized invoices featuring your logo, colors, and branding—enhance professionalism and reinforce your brand. Simplify workflows, delight clients, and grow your business—all in one place! --- Discover More Benefits: Unlimited Invoices & Estimates Customizable Templates Expense Tracking & Reports Choose Your Plan: - Weekly Pro - Monthly Pro - Annual Pro Start with a 3-day free trial on any plan. Your iTunes account will be charged after confirmation. Subscriptions auto-renew unless canceled 24 hours before the period ends. Manage subscriptions in Account Settings. --- Privacy & Support Privacy Policy: https://sites.google.com/view/invoice-maker---smart-estimate/privacy-policy Terms of Use: https://sites.google.com/view/invoice-maker---smart-estimate/termsconditions Need help? Contact us: john.paley.twentythree@zohomail.com Download now and enjoy!

About

When to Post AI

This app helps Instagram and TikTok creators optimize their posting times for maximum engagement. It uses AI to analyze audience activity and provides personalized schedules and reminders, eliminating guesswork.

Highlights
  • AI-driven audience activity analysis
  • Personalized weekly posting schedule
  • Push reminders for peak engagement
  • Clear reasoning for time recommendations
  • Privacy-first approach, no logins required
  • Today and Week view for posting windows
Features
Read full description

Stop guessing when to post. When to Post AI is your calm coach for Instagram and TikTok creators who want peak engagement without the stress. HOW IT WORKS - Pro features require a paid subscription • Add your Instagram or TikTok handle — no logins, no password • Our AI analyzes when your audience is actually active • Get a personalized weekly posting schedule (Pro users only) • Receive push reminders at peak engagement windows (Pro users only) • See clear reasoning for every recommended time (Pro users only) WHY CREATORS LOVE IT • Posting at the right time can lift engagement dramatically • Privacy-first — we never store follower data or track you across apps • Works for everyone: micro-influencers, small businesses, hobby accounts • One-tap to set your plan and forget the guesswork YOUR PLAN AT A GLANCE (Pro feature) • Today tab — tonight's next posting window with a countdown • Week tab — every window, every day, at a glance • AI Coach — explains why this time, in plain English Stop guessing. Start posting smarter. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://when-to-post-99cents.web.app/privacy.html

Screenshots

Invoice Maker4 screens
When to Post AI4 screens

Verdict

The call

The clearest difference is ads: When to Post AI at none against Invoice Maker's shown. When to Post AI also leads on update cadence (daily vs every 3 days). On price, rating, ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Invoice Maker sells 4 in-app purchases, starting at $8.99 per 7 days and When to Post AI sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Invoice Maker against 4.8 for When to Post AI. Both are backed by a comparable volume of ratings — 7 and 6 respectively.

UpkeepUpdate frequency

Invoice Maker ships an update every 3 days, When to Post AI daily. The most recent releases landed on October 1, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 8 level
Invoice Maker versus When to Post AI: the parameters behind the verdict, then further details
ParameterInvoice MakerWhen to Post AI
PriceFreeFree
Rating4.9 (7 ratings) — better4.8 (6 ratings)
Positive reviews—100.0% of reviews
Number of ratings7 — better6
Update frequencyEvery 3 daysDaily — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhoneiPhone
Requires iOS16.0 — better17.1
Further details — not scored
Size31 MB21 MB
Age rating4+4+
DeveloperJohn PaleyJack Solomon

Customer experience

Invoice Maker

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

When to Post AI

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Invoice Maker

Subscriptions4
  • accessWeeklySubscription$8.997 Days
  • Invoice Maker: Bill Generator.3 Days trial$8.997 Days
  • accessMonthlySubscription$14.991 Month
Show 1 more
  • accessMonthlyTrialSubscription3 Days trial$15.991 Month
2 purchases

When to Post AI

Subscriptions2
  • Pro Monthly$7.991 Month
  • Pro Yearly7 Days trial$29.991 Year

Questions

Is Invoice Maker free?
Invoice Maker is free to download, with in-app purchases available.
Is When to Post AI free?
When to Post AI is free to download, with in-app purchases available.
Which has better reviews, Invoice Maker or When to Post AI?
Invoice Maker is rated higher. Invoice Maker averages 4.9 out of 5 from 7 ratings, while When to Post AI averages 4.8 from 6 ratings.
Do Invoice Maker or When to Post AI have ads?
Invoice Maker shows ads; When to Post AI does not.
Which is updated more often, Invoice Maker or When to Post AI?
Invoice Maker ships an update every 3 days, and When to Post AI daily. Most recently, Invoice Maker was updated on October 1, 2026 and When to Post AI on October 3, 2026.

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