Comparison

Sky Systemz vs UniqInvoice

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

Head to head
About

Sky Systemz

This app provides a comprehensive suite of tools for businesses to manage sales, inventory, customers, and staff. It allows for seamless payment processing, invoice creation, and real-time sales analytics. Businesses can also build a free custom online store and receive next-day funding.

Highlights
  • Cloud-based Point-of-Sale (POS)
  • Payment processing
  • Invoice creation and sending
  • Customer and staff management
  • Inventory management
  • Sales dashboard and analytics
  • Free custom online store
Read full description

Sky Systemz is a free business management and point-of-sale application that gives you everything needed to process payments, efficiently run and grow your business. Sky Systemz is your complete payment solution, which integrates seamlessly with your existing business systems. Sky Systemz can be used on desktop and mobile devices. As a merchant, you will receive funds the next business day. No hidden fees or contracts. The Sky Systemz Cloud offers the most affordable, complete business solutions the flagship features of which are: CLOUD POS Run your business with an advanced and versatile cloud-based point-of-sale with product, inventory, customer, and staff management. PAYMENTS Accept Payments from Visa, MasterCard, Discover, American Express, send receipts via email, text message, or print, and apply discounts and issue refunds. INVOICES Create and send custom invoices with instant pay links to emails or text. REQUESTS Request payments from your customers via email or text. DASHBOARD A powerful tool that syncs with your POS! View live sales data, manage items, track employee activity and monitor analytics for your business. COMPATIBLE HARDWARE Cash drawers, printers, hand scanners, tablets, display stands, and supplies are available in our webstore. CLOUD SERVICES Sky will generate a completely custom online store for your business that is 100% free. SUCCESS & SUPPORT TEAM Enjoy personalized customer service with a U.S. based support team. Our mission is to streamline your business for a competitive advantage. We are focused on building a state-of-the-art system to improve your operational efficiency, reduce costs, and increase profitability.

About

UniqInvoice

Create professional invoices and estimates quickly, track income and expenses, and get paid faster with secure online payments. Automate recurring billing and reminders, and gain clear financial insights with detailed reports. Enjoy a user-friendly interface with Dark Mode.

Highlights
  • Create professional invoices and estimates
  • Secure online payments
  • Track income and expenses
  • Multi-currency support
  • Automate recurring billing
  • Detailed financial reports
  • Dark Mode interface
Features
Read full description

UniqInvoice helps freelancers and small businesses send invoices, get paid, and stay on top of their money, all from your phone. Make an invoice in a minute Add your logo, taxes and discounts, then send a clean PDF. Need to quote a job first? Send an estimate and turn it into an invoice with one tap. Get paid without chasing people Add a payment link so clients can pay by card, and see the moment an invoice is opened or paid. Keep receipts and expenses in one place Snap a photo of a receipt, note what you spent, and check how the business is doing without opening a spreadsheet. Built for real work Set up recurring invoices and automatic reminders, bill in other currencies, and open a simple report whenever you want one. Dark Mode is there when you need it. SUBSCRIPTION AND PRICING Upgrade to Business Plus for unlimited invoices, multi-currency support, full expense tracking, and all future features. Try every premium tool free for one week. • Weekly: $3.99 • Monthly: $9.99 (one-week free trial) • Annual: $99.99 (one-week free trial) Terms of Use: https://www.uniqinvoice.com/terms-and-conditions Privacy Policy: https://www.uniqinvoice.com/privacy-policy Download UniqInvoice today, start your free trial, and see how simple invoicing and accounting can be.

Screenshots

Sky Systemz4 screens
UniqInvoice4 screens

Verdict

The call

The clearest difference is in-app purchases: Sky Systemz at none against UniqInvoice's 3. Sky Systemz also leads on ratings volume (337 vs 2) and device support (3 vs 1). UniqInvoice's advantage is rating (5.0 vs 4.7). On price, review sentiment, update cadence and ads 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. UniqInvoice sells 3 in-app purchases, starting at $3.99 per 7 days. Sky Systemz asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

UniqInvoice holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Sky Systemz has 337 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 97% of Sky Systemz's written reviews are positive against 100% of UniqInvoice's.

UpkeepUpdate frequency

Sky Systemz ships an update every 6 weeks, UniqInvoice every 5 weeks. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

Scorecard6 real differences · 4 level
Sky Systemz versus UniqInvoice: the parameters behind the verdict, then further details
ParameterSky SystemzUniqInvoice
PriceFreeFree
Rating4.7 (337 ratings)5.0 (2 ratings) — better
Positive reviews97.1% of reviews100.0% of reviews — better
Number of ratings337 — better2
Update frequencyEvery 6 weeksEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better17.6
Further details — not scored
Size108 MB43 MB
Age rating4+4+
DeveloperODP Solutions, IncAVACONN LLC

Customer experience

Sky Systemz

All ratings332 ratings
Positive92.5%
Neutral2.7%
Negative4.8%
Written reviews68 reviews
Positive97.1%
Neutral1.5%
Negative1.5%

UniqInvoice

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Sky Systemz

Reported bugs

4 issues
  • Cash transactions won't record properly
  • No check number input option available
  • Receipt formatting cannot be customized as desired
  • Various bugs preventing regular use despite available features

Requested features

3 requests
  • Check number field option for check payments
  • Enhanced receipt customization options
  • Improved cash transaction handling

UniqInvoice

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Sky Systemz

No in-app purchases

3 purchases

UniqInvoice

Subscriptions3
  • Unlimited access$3.997 Days
  • Unlimited access7 Days trial$9.991 Month
  • Unlimited access7 Days trial$99.991 Year

Questions

Is Sky Systemz free?
Sky Systemz is free to download, with no in-app purchases.
Is UniqInvoice free?
UniqInvoice is free to download, with in-app purchases available.
Which has better reviews, Sky Systemz or UniqInvoice?
UniqInvoice is rated higher. Sky Systemz averages 4.7 out of 5 from 337 ratings, while UniqInvoice averages 5.0 from 2 ratings.
Do Sky Systemz or UniqInvoice have ads?
Neither Sky Systemz nor UniqInvoice shows ads.
Which is updated more often, Sky Systemz or UniqInvoice?
Sky Systemz ships an update every 6 weeks, and UniqInvoice every 5 weeks. Most recently, Sky Systemz was updated on October 25, 2026 and UniqInvoice on October 9, 2026.

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