Comparison

HIIT Timer vs 1

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

Head to head
About

HIIT Timer

Features
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A simple timer app, perfect for HIIT training With an ultra-large full-screen timer display, you can instantly see your remaining time even in the middle of your workout. No complicated features—just the essential functions you need to keep your training smooth and focused. Main Features • Large, easy-to-read full-screen timer display • Automatic alternation between work and rest intervals • 3-second countdown before each start so you’re ready • Clear color coding: blue for work, orange for rest • Simple controls for pause, resume, and skip • Banner ads displayed on the home and timer screens Customization Options • Work time: freely set from 1 second to 15 minutes • Rest time: freely set from 1 second to 15 minutes • Sets: up to 99 sets supported • Dark mode & light mode • Available in both Japanese and English Training Records • Automatically saves completed sessions to history • Check up to your last 100 records • Stay motivated with visible training progress Designed for Usability • Runs in the background without interruption • Accurate timekeeping even with screen lock • Full accessibility support • User-friendly design to prevent misoperation Recommended for everyone—from beginners to advanced athletes—who wants to start HIIT training. No complex setup required. Download now and start your workout today! Privacy First All data is stored locally on your device and never shared externally.

About

1

Features
Read full description

An easy-to-use timer app that eliminates the hassle of starting a timer to the absolute minimum. 【Key Features】 One-Tap Start: Just press once and the countdown for the time on the preset button starts immediately! Buttons can be freely deleted or their times edited, and the size can be adjusted to your liking with a slider. Auto Start: Turn this ON, and the countdown with your "previously set time" will start the moment you open the app next time! The ultimate hassle-free feature! Swipe & Numpad Input: For times not available on the buttons, simply tap the time display to enter them directly. Choose your preferred method: swipe or numpad! Furthermore, the entered time is automatically added as a "Recently set time" one-tap button, saving you the trouble of repeatedly entering your frequently used times! Alarm Feature: The zero-count notification visually alerts you by turning the screen red. A reliable design that automatically switches between sound and vibration depending on your device's silent mode settings.

Screenshots

HIIT Timer4 screens
14 screens

Verdict

The call

The clearest difference is update cadence: 1 at every 2 weeks against HIIT Timer's every 5 weeks. 1 also leads on iOS requirement (17.0 vs 26.0). 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

HIIT Timer ships an update every 5 weeks, 1 every 2 weeks. The most recent releases landed on September 16, 2026 and August 17, 2026 respectively.

Scorecard2 real differences · 4 level
HIIT Timer versus 1: the parameters behind the verdict, then further details
ParameterHIIT Timer1
PriceFreeFree
Update frequencyEvery 5 weeksEvery 2 weeks — better
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.017.0 — better
Further details — not scored
Size36 MB14 MB
Age rating4+4+
DeveloperCaprio LabSatoshi Yamakawa

In-app purchases

None

HIIT Timer

No in-app purchases

None

1

No in-app purchases

Questions

Is HIIT Timer free?
HIIT Timer is free to download, with no in-app purchases.
Is 1 free?
1 is free to download, with no in-app purchases.
Do HIIT Timer or 1 have ads?
Both HIIT Timer and 1 show ads.
Which is updated more often, HIIT Timer or 1?
HIIT Timer ships an update every 5 weeks, and 1 every 2 weeks. Most recently, HIIT Timer was updated on September 16, 2026 and 1 on August 17, 2026.

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