Comparison

Invoice One vs CircleCal

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

Head to head
About

Invoice One

Features
Read full description

SIMPLE - only the features you need with every action no further than a single tap away. FREE - lots of customizable templates and more are unlocked for free! Create / Edit / Remove invoices with ease, choose from multiple templates and share as a PDF with a single tap. Track your monthly and yearly invoices in a clearly laid out Reports page. Mark your invoices as paid to make sure nothing gets lost. Safety and privacy is a key aspect to our app development, so all of your data stays on your device and never leaves!

About

CircleCal

Features
Read full description

CIRCLECAL: THE SIMPLEST BOOKING CALENDAR APP Have the power of a desktop booking system in the palm of your hand! Either on an Iphone or Ipad, this booking calendar app will allow for you to have access to all your appointments with your clients, scheduling/booking details, and have control of your own schedule on the fly. Have access to almost all features and functionality of the desktop version as well as mobile notifications to let you know what has updated in your schedule. FEATURES INCLUDE: - Easy Establishment of your Personal Business: This app will automatically take you through Stripe's onboarding process when registering to use CircleCal. This will allow for you to establish your business and be able to provide multiple payment options for your clients right out of the gate! - Simple User-Interface: For an easy and better experience as well as advanced features and functionality - Booking Calendar System: Have control of a robust calendar system by setting your default weekly availability and have the ability to manually override certain days and times for maximum control and flexibility of your schedule - Dedicated Bookings Screen: An organized screen to all bookings made. This will allow for you to be able to control and view booked appointments and details as well as produce booking PDF audits to view total earnings and appointments. - Creating/Editing Services: Organize and control the services you provide to your clients and separate them throughout your overall schedule - Implement Staff: Invite your employees, control and manage their schedule along with yours, and assign them to services that clients will sign up for - Exclusive Profile: This is a dedicated page for you to be able to control certain settings and preferences such as Email/Mobile Notifications as well as implementing Two-Factor Authentication for extra security to your account. In addition to that, you can customize your profile image that will not only be displayed on your account when you login, but it will also be displayed in Email Notifications that are sent to clients when they book you! AND MUCH MORE This app was specially made and designed for those with small businesses or those that want to get started on their business with clients. Download now to jumpstart your personal business! Privacy Policy: https://circlecal.app/privacy/ Terms of Service: https://circlecal.app/terms/

Screenshots

Invoice One4 screens
CircleCal4 screens

Verdict

The call

The clearest difference is iOS requirement: Invoice One at 13.0 against CircleCal's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Invoice One ships an update weekly, CircleCal fortnightly. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

Scorecard1 real difference ยท 5 level
Invoice One versus CircleCal: the parameters behind the verdict, then further details
ParameterInvoice OneCircleCal
PriceFreeFree
Update frequencyWeekly โ€” betterFortnightly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 โ€” better15.1
Further details โ€” not scored
Size8 MB29 MB
Age rating4+4+
Developer11 APPSIsaiah Alvarez

In-app purchases

None

Invoice One

No in-app purchases

None

CircleCal

No in-app purchases

Questions

Is Invoice One free?
Invoice One is free to download, with no in-app purchases.
Is CircleCal free?
CircleCal is free to download, with no in-app purchases.
Do Invoice One or CircleCal have ads?
Neither Invoice One nor CircleCal shows ads.
Which is updated more often, Invoice One or CircleCal?
Invoice One ships an update weekly, and CircleCal fortnightly. Most recently, Invoice One was updated on October 9, 2026 and CircleCal on October 1, 2026.

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