Comparison

Call Checker vs Invoice Suite

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

Head to head
About

Call Checker

Easily track the local times of your international contacts to avoid calling at inconvenient hours. Quickly see who is available and initiate calls directly from the app.

Highlights
  • Track contact local times
  • Avoid bad calling hours
  • Check contact availability
  • Initiate calls directly (iPhone)
Features
Read full description

In a global world it becomes more and more difficult to keep track of the local times of all your important contacts. If you want to avoid to call them at a bad time this application is for you. A quick check tells you whether it's the right time to call or not and who is available at the moment. If you enter the phone number a simple tap on the name is enough to initiate the call (iPhone only).

About

Invoice Suite

Create and send professional invoices and estimates quickly from your mobile device. The app automates tax and total calculations, offers various invoice styles, and allows instant email delivery to clients for faster payments.

Highlights
  • Create invoices and estimates
  • Manage invoices on the go
  • Professional invoice styles
  • Automatic tax and total calculation
  • Instant email delivery to clients
  • Save and reuse invoices
Features
Read full description

If you're a business owner or manager, who wants to send invoices while you're on the job, Invoice Suite is an easy to use app for you. Invoice Suite allows you to manage and send estimates and invoices on the go. The intuitive interface allows you to produce invoices in just a minute wherever you may be. Further, the app provides you with a range of professional invoice styles to choose from. Simply tab on the style and choose the one you like. Taxes and totals are automatically calculated for you. So there's no extra work. Just add your invoice items and Invoice Suite does the rest. You also get paid faster. Simply tap e-mail, to send your invoice to clients instantly and get paid faster. Alternatively, you can email the invoice to yourself. You can print the invoice on your printer. You can also locally save the invoice as a file, and re-use it with minimal changes. Choosing a small business invoice app has never been easier.

Screenshots

Call Checker4 screens
Invoice Suite4 screens

Verdict

The call

The clearest difference is update cadence: Invoice Suite at monthly against Call Checker's every 23 months. Invoice Suite also leads on review sentiment (14% vs 0%) and monetization model (free with in-app purchases vs paid). On price, ads, in-app purchases 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

Call Checker costs $0.99 and Invoice Suite $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Call Checker ships an update every 23 months, Invoice Suite monthly. Both last shipped on November 6, 2026.

Scorecard3 real differences · 7 level
Call Checker versus Invoice Suite: the parameters behind the verdict, then further details
ParameterCall CheckerInvoice Suite
Price$0.99$0.99
Rating—5.0 (1 ratings) — better
Positive reviews0.0% of reviews14.0% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 23 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size2 MB64 MB
Age rating4+4+
DeveloperPiet JonasManu Gupta

Customer experience

Call Checker

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Invoice Suite

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews43 reviews
Positive14.0%
Neutral20.9%
Negative65.1%

In-app purchases

None

Call Checker

No in-app purchases

None

Invoice Suite

No in-app purchases

Questions

Is Call Checker free?
Call Checker costs $0.99, with no in-app purchases.
Is Invoice Suite free?
Invoice Suite costs $0.99, with no in-app purchases.
Do Call Checker or Invoice Suite have ads?
Neither Call Checker nor Invoice Suite shows ads.
Which is updated more often, Call Checker or Invoice Suite?
Call Checker ships an update every 23 months, and Invoice Suite monthly. Most recently, Call Checker was updated on November 6, 2026 and Invoice Suite on November 6, 2026.

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