Comparison

Letterbox Check vs Keevio2

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

Head to head

★ 4.65 ratingsView app →

About

Letterbox Check

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Achieve higher confidence with the Letterbox Check App, GPS-tracking and intelligent missed property reports. Connect with our Web solution to add Digital Maps, Property counts and sophisticated Dashboards to your distribution activities.

About

Keevio2

This softphone application connects to a communication platform, offering HD voice and video calls. It supports push notifications and enables free calling between its users.

Highlights

SIP softphone functionality
Push notifications
HD voice and video support
Free calling between app users

Read full description

Keevio2's accompanying softphone app to the Keevio2 platform. A SIP softphone app that supports push notifications, HD voice and video, and more. In addition to this, Keevio2's app provides • Free calling between app users

Screenshots

Letterbox Check4 screens

Keevio24 screens

Verdict

The call

The clearest difference is update cadence: Keevio2 at every 5 months against Letterbox Check's every 12 months. Letterbox Check's advantage is iOS requirement (12.0 vs 15.0). 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

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

UpkeepUpdate frequency

Letterbox Check ships an update every 12 months, Keevio2 every 5 months. The most recent releases landed on September 9, 2026 and July 7, 2026 respectively.

Scorecard2 real differences · 7 level

Letterbox Check versus Keevio2: the parameters behind the verdict, then further details
Parameter	Letterbox Check	Keevio2
Price	Free	Free
Rating	—	4.6 (5 ratings) — better
Number of ratings	—	5 — better
Update frequency	Every 12 months	Every 5 months — better
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	12.0 — better	15.0
Further details — not scored
Size	29 MB	93 MB
Age rating	4+	4+
Developer	Redburst Technologies AB	IP Cortex Ltd.

In-app purchases

None

Letterbox Check

No in-app purchases

None

Keevio2

No in-app purchases

Questions

Is Letterbox Check free?

Letterbox Check is free to download, with no in-app purchases.

Is Keevio2 free?

Keevio2 is free to download, with no in-app purchases.

Do Letterbox Check or Keevio2 have ads?

Neither Letterbox Check nor Keevio2 shows ads.

Which is updated more often, Letterbox Check or Keevio2?

Letterbox Check ships an update every 12 months, and Keevio2 every 5 months. Most recently, Letterbox Check was updated on September 9, 2026 and Keevio2 on July 7, 2026.