Comparison

OAK POS vs Invoicebillity

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

Head to head
About

OAK POS

This multi-channel point-of-sale system helps rental businesses manage in-store and online orders. It offers cloud-based pricing and availability management, supporting multiple locations and users. The system integrates with existing merchant accounts for seamless transactions.

Highlights
  • Multi-channel order taking (in-store & online)
  • Cloud-based pricing and availability management
  • Supports multiple store locations
  • Unlimited user accounts
  • Seamless online order synchronization
  • Discount and coupon management
Features
Read full description

OAK is complete rental business management with a point of sale built for how rental stores actually work — at the counter, out on the floor, and online. Take orders in-store on iPhone or iPad, and let customers book themselves through your own web store. Pricing, availability, and inventory live in the cloud, so every channel stays in sync automatically. BUILT FOR RENTALS - Reservations and availability across multiple locations - Rentals and retail in a single order - Customer records with rental history - Discounts, coupons, and affiliate campaigns PAYMENTS - Accept cards in person with a Stripe card reader - Save cards on file for damages and late returns - Online bookings paid up front, synced instantly RUNS YOUR WAY - Unlimited users on every plan - Switch between locations without logging out - No booking fees for your customers — the price they see is the price they pay

About

Invoicebillity

Manage your business finances with ease. Create professional invoices and estimates, track sales, purchases, expenses, and inventory. Get paid faster with automated reminders and gain insights with informative dashboards and reports.

Highlights
  • Professional invoice and estimate creation
  • Inventory and stock tracking
  • Expense and receipt management
  • Automated payment reminders
  • Informative business dashboard
  • Various business reports
  • Cloud-based access across devices
Features
Read full description

Send customized, professional invoices and estimates to your customers anytime, anywhere. Invoicebillity also helps small business owners to manage their sales, purchases, expenses, and inventory. Save your precious time! Invoicebillity is very easy to use, designed carefully for small business owners so you spend less time on paperwork and more time running your business. == The features that small business owners love == * SEND PROFESSIONAL INVOICES & ESTIMATES Impress your clients with great-looking estimates and invoices. Select from available templates, and brand them with your business logo and color. It just takes seconds with Invoicebillity. * MANAGE YOUR BILLS Organize and manage your bills with confidence, and avoid getting penalty from your missed payment. When you record your bill the inventory tracking system will also help you calculate the stocks you have. * ORGANIZED EXPENSES AND RECEIPTS Record and organize your expenses in Invoicebility is super easy. Categorize your expenses and save your paper receipt digitally so you will never lose it again. * TRACK YOUR INVENTORY EFFORTLESSLY When you create sales or purchase transactions, Invoicebillity helps you calculate and track your stocks so you know how much stock you have, who ordered it, and when to restock. * AUTO PAYMENT REMINDER Invoicebillity helps you get paid on time by sending a friendly reminder to your clients to pay their due invoices. The reminders can be scheduled before due date, on due date, and after due date. * INFORMATIVE DASHBOARD View your business performance at a glance visually. You will have an overview of how well your business in no time. * NOTIFICATIONS PUSH TO YOU Get notified when your clients viewed invoices, estimates, or payment reminders that you sent. All you need to do is just install Invoicebillity mobile app in your device. * VARIOUS REPORTS FOR YOUR BUSINESS Get overview of your business performance or get into details of it with built-in easy to understand reports. Balance Sheet and Account Statement (Profit & Loss) are also available for your accounting needs. * ANYWHERE ON ANY DEVICE Invoicebillity is running in secure cloud services, so you can work from anywhere you want and from any device. ---- SUBSCRIPTION INFO Invoicebillity comes with 14 days trial. After trial period ended you may purchase an auto-renewing subscription through an In-App Purchase. Available subscriptions plans: - Starter Plan - Pro Plan - Unlimited Plan * You can choose either monthly or yearly period Subscriptions will be charged to your credit card through your iTunes account. Your subscriptions will automatically renew unless canceled within 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, at the cost of the chosen plan. You can cancel anytime with your iTunes account settings. Any unused portion of a free trial will be forfeited if you purchase a subscription. Subscription may be manage and turned off by going to the user's Account Settings after purchase Term of service: https://www.invoicebillity.com/terms-of-service Privacy policy: https://www.invoicebillity.com/privacy-policy

Screenshots

OAK POS4 screens
Invoicebillity4 screens

Verdict

The call

The clearest difference is rating: OAK POS at 5.0 against Invoicebillity's 4.0. OAK POS also leads on in-app purchases (none vs 6). Invoicebillity's advantage is iOS requirement (10.0 vs 15.0). On price, review sentiment, ratings volume and update cadence 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. Invoicebillity sells 6 in-app purchases, starting at $5.99 per month. OAK POS asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OAK POS holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

OAK POS ships an update every 6 weeks, Invoicebillity every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
OAK POS versus Invoicebillity: the parameters behind the verdict, then further details
ParameterOAK POSInvoicebillity
PriceFreeFree
Rating5.0 (1 ratings) — better4.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings11
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.010.0 — better
Further details — not scored
Size71 MB30 MB
Age rating4+4+
DeveloperOak, Inc.AverSys Mobile

Customer experience

OAK POS

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Invoicebillity

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

OAK POS

No in-app purchases

6 purchases

Invoicebillity

Subscriptions6
  • Invoicebillity Starter Monthly$5.991 Month
  • Invoicebillity Pro - Monthly$8.991 Month
  • Unlimited Monthly$11.991 Month
Show 3 more
  • Invoicebillity Starter1 Year trial$59.991 Year
  • Invoicebillity - Pro1 Year trial$89.991 Year
  • Invoicebillity Unlimited1 Year trial$119.991 Year

Questions

Is OAK POS free?
OAK POS is free to download, with no in-app purchases.
Is Invoicebillity free?
Invoicebillity is free to download, with in-app purchases available.
Which has better reviews, OAK POS or Invoicebillity?
OAK POS is rated higher. OAK POS averages 5.0 out of 5 from 1 ratings, while Invoicebillity averages 4.0 from 1 ratings.
Do OAK POS or Invoicebillity have ads?
Neither OAK POS nor Invoicebillity shows ads.
Which is updated more often, OAK POS or Invoicebillity?
OAK POS ships an update every 6 weeks, and Invoicebillity every 3 weeks. Most recently, OAK POS was updated on October 23, 2026 and Invoicebillity on October 24, 2026.

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