Comparison

Vibration Timer vs PetriMail

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

Head to head
About

Vibration Timer

This utility app provides a silent timer that relies solely on vibration for notifications. It offers unlimited preset timers with customizable labels and colors, and can send strong vibration alerts even when the app is in the background. The interface supports dark mode and displays an icon badge when a timer is active.

Highlights
  • Silent vibration-only notifications
  • Unlimited preset timers
  • Customizable timer labels and colors
  • Background vibration alerts
  • Icon badge display
  • Dark mode support
Features
Read full description

It's a timer app with no sound & only vibration. All features are completely free to use. - Unlimited preset timers - Timer can be specified up to the number of seconds - Set labels and colors for timers - Notification with strong vibration while the app is running - Vibrate notification up to 60 times even in the background - Icon badge display while timer is running - dark mode URL scheme: vibrationtimer://

About

PetriMail

Features
Read full description

Organize seus e-mail e configure com facilidade para você usuário da Petri Tecnologia

Screenshots

Vibration Timer4 screens
PetriMail3 screens

Verdict

The call

The clearest difference is ads: PetriMail at none against Vibration Timer's shown. PetriMail also leads on update cadence (every 3 weeks vs every 11 months) and device support (4 vs 2). On price 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

Vibration Timer ships an update every 11 months, PetriMail every 3 weeks. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 6 level
Vibration Timer versus PetriMail: the parameters behind the verdict, then further details
ParameterVibration TimerPetriMail
PriceFreeFree
Rating4.4 (16 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings16 — better—
Update frequencyEvery 11 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPadiPhone, iPad, iPod, Mac — better
Requires iOS26.015.6 — better
Further details — not scored
Size10 MB25 MB
Age rating4+12+
DeveloperFugaPiyo Inc.Petri Tecnologia

In-app purchases

None

Vibration Timer

No in-app purchases

None

PetriMail

No in-app purchases

Questions

Is Vibration Timer free?
Vibration Timer is free to download, with no in-app purchases.
Is PetriMail free?
PetriMail is free to download, with no in-app purchases.
Do Vibration Timer or PetriMail have ads?
Vibration Timer shows ads; PetriMail does not.
Which is updated more often, Vibration Timer or PetriMail?
Vibration Timer ships an update every 11 months, and PetriMail every 3 weeks. Most recently, Vibration Timer was updated on November 3, 2026 and PetriMail on October 28, 2026.

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