Comparison

CertLei Verifier vs Quick Timer

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

Head to head
About

CertLei Verifier

Features
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「CertLei Verifier」is a verifier app that used to verify the credentials of 「CertLei Wallet」Users. The account on 「CertLei Verifier」is pre-registered at the backend manually after approval, and is linked with a specific Organization that also pre-registered as a Verifier.

About

Quick Timer

Features
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Your timer should be running before you even think about it. Quick Timer does one thing and does it ruthlessly well: it gets a countdown on your screen in a single tap. No loading screens. No sign-up walls. No "are you sure?" confirmations. You open it, you tap it, it is already counting down. Done. ONE TAP. ZERO FRICTION. The main screen greets you with preset timers — 1 minute, 5 minutes, 10 minutes, 30 minutes — ready to fire. Tap once and the countdown starts instantly. Not in two steps. Not after a transition. Instantly. This is the fastest timer on your phone, and it is not even close. A COUNTDOWN YOU CAN READ FROM ACROSS THE ROOM Big, bold, high-contrast numbers fill the screen so you never have to squint, walk over, or pick up your phone. Whether you are across the kitchen with flour on your hands or halfway through a plank, you will always know exactly how much time is left. YOUR TIME, YOUR WAY Need something that is not on the preset list? Tap New, spin the minute and second dials, and confirm. That is it — your custom timer is saved permanently and waiting for you with a single tap next time. Build a collection for cooking, workouts, study sessions, meditation, or whatever your life demands. LIST VIEW. GRID VIEW. YOUR CALL. Switch between a clean list layout and a compact grid with one button. Organize your timers the way your brain works, not the way some designer decided you should. PICK YOUR ALARM SOUND Choose from multiple built-in tones so you actually notice when your timer goes off. Your selection is saved across sessions — set it once and forget it. IT WORKS EVEN WHEN YOU WALK AWAY Lock your phone. Switch to another app. Close the screen entirely. Quick Timer keeps counting in the background and delivers a push notification with your chosen alarm sound the moment time is up. No more burnt pasta because you forgot to check your phone. DARK MODE THAT ACTUALLY LOOKS GOOD Toggle between light and dark themes with a single tap. Your preference is remembered every time you open the app. Late-night timers never have to blind you again. RESTART IN ONE TAP Timer finished? Hit Restart and the same countdown begins immediately. Perfect for interval training, repetitive tasks, or back-to-back cooking steps. No scrolling back to find it. No re-entering the time. WHAT WE LEFT OUT ON PURPOSE No ads. No subscriptions. No accounts. No analytics pop-ups. No "rate this app" interruptions. No features you will never use. Quick Timer was built for people who are tired of apps that waste their time while pretending to save it. Open it. Tap it. Get on with your life.

Screenshots

CertLei Verifier4 screens
Quick Timer4 screens

Verdict

The call

The clearest difference is device support: CertLei Verifier at 3 against Quick Timer's 1. CertLei Verifier also leads on iOS requirement (15.6 vs 26.2). 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

CertLei Verifier ships an update every 9 days, Quick Timer weekly. The most recent releases landed on September 26, 2026 and September 7, 2026 respectively.

Scorecard2 real differences · 4 level
CertLei Verifier versus Quick Timer: the parameters behind the verdict, then further details
ParameterCertLei VerifierQuick Timer
PriceFreeFree
Update frequencyEvery 9 daysWeekly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better26.2
Further details — not scored
Size29 MB16 MB
Age rating17+4+
DeveloperCertizen Technology LimitedSEOK KI KWON

In-app purchases

None

CertLei Verifier

No in-app purchases

None

Quick Timer

No in-app purchases

Questions

Is CertLei Verifier free?
CertLei Verifier is free to download, with no in-app purchases.
Is Quick Timer free?
Quick Timer is free to download, with no in-app purchases.
Do CertLei Verifier or Quick Timer have ads?
Neither CertLei Verifier nor Quick Timer shows ads.
Which is updated more often, CertLei Verifier or Quick Timer?
CertLei Verifier ships an update every 9 days, and Quick Timer weekly. Most recently, CertLei Verifier was updated on September 26, 2026 and Quick Timer on September 7, 2026.

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