Comparison

Mailinblack vs Celec IoT

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

Head to head
About

Mailinblack

Read full description

Your passwords and email, together on mobile Your data deserves protection that is simple, comprehensive, and always within reach. That is why My Sikker and My Protect are now available in the Mailinblack mobile app: your password manager and protected email, wherever you are. My Sikker supports you every day and gives you peace of mind. Mailinblack makes strong passwords the standard for all your needs. Every password is securely protected yet instantly accessible through a simple, intuitive interface that never compromises your security. My Protect gives you control over your email directly from your phone: review quarantined emails, take action in seconds, and manage your approved or blocked senders wherever you are. With the Mailinblack mobile app, your passwords and email are always within reach, so you remain in control of your security wherever you are, at any time. To use the mobile app, you must have a Mailinblack professional licence. Don’t have a licence? Discover Mailinblack: https://www.mailinblack.com/demo/

About

Celec IoT

Features
Read full description

Celec IoT is used to manage Celec IoT devices parameters over BLE.

Screenshots

Mailinblack4 screens
Celec IoT4 screens

Verdict

The call

The clearest difference is iOS requirement: Celec IoT at 15.0 against Mailinblack's 18.0. On price, update cadence, ads and in-app purchases 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

Mailinblack ships an update every 3 weeks, Celec IoT fortnightly. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 5 level
Mailinblack versus Celec IoT: the parameters behind the verdict, then further details
ParameterMailinblackCelec IoT
PriceFreeFree
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size102 MB138 MB
Age rating17+17+
DeveloperMailinblackCelec

In-app purchases

None

Mailinblack

No in-app purchases

None

Celec IoT

No in-app purchases

Questions

Is Mailinblack free?
Mailinblack is free to download, with no in-app purchases.
Is Celec IoT free?
Celec IoT is free to download, with no in-app purchases.
Do Mailinblack or Celec IoT have ads?
Neither Mailinblack nor Celec IoT shows ads.
Which is updated more often, Mailinblack or Celec IoT?
Mailinblack ships an update every 3 weeks, and Celec IoT fortnightly. Most recently, Mailinblack was updated on October 25, 2026 and Celec IoT on October 30, 2026.

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