Comparison

Haptic Interval Timer vs Interval Chime

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

Head to head
About

Haptic Interval Timer

Features
Currently charting
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Feel time without watching the clock. Haptic Interval Timer taps your wrist with a silent vibration cue at the interval you choose, so your hands and eyes stay on what matters. Built for Apple Watch first: pick a preset, press Start, and lower your wrist. Cues keep arriving with the screen off and the iPhone away. WHAT IT DOES - Repeating haptic cues every few seconds, minutes, or hours - Countdown mode (pomodoros, presentations, workouts, breathwork) or count-up mode (stretching, pacing, rehabilitation) - Eight named cue patterns to choose from: single, double, and triple taps, rise, fall, alert, success, and warning - A Test Haptics screen that plays every pattern so you can pick one you can feel before you rely on it - Saved presets, ready in three taps or fewer from the Watch, plus a complication that starts your last preset instantly - Pause, resume, reset, and add five minutes without touching your phone - A Setup screen that checks notification permission and explains every condition that can weaken a cue: silent mode, Theater Mode, Water Lock, wrist detection, Focus, Low Power Mode, and haptic strength RELIABLE, AND HONEST ABOUT IT Cues are scheduled ahead of time as local notifications, which is what lets them fire with the display asleep. A distinct alert marks the end of a countdown. The Watch keeps a window of upcoming cues pending and refills it in the background and whenever you open the app. The running screen always shows how far the current window reaches, so you are never guessing whether the next cue is really coming. There is no sound. Not a quiet sound, none: cues are wrist taps only, so nothing you do here can interrupt a meeting, a class, or a patient. ACCESSIBLE BY DEFAULT Every control is VoiceOver labelled, the timer display scales with Dynamic Type, and the transport buttons are full-size tap targets. Cues are tactile, so the app works when sound is not an option, or not available to you. WHO IT IS FOR Anyone who needs a repeating silent cue: focus sessions and time blindness, interval workouts and stretching, presentations and teaching, breathwork and pacing exercises, and anyone who prefers or needs tactile rather than audible reminders. PRIVATE AND OFFLINE No account. No subscription. No tracking. No analytics. The app contains no networking code at all, so everything stays on your devices and works fully offline. The one-time purchase includes the complete app. The iPhone companion mirrors your presets to the Watch over the air when both are nearby, and the Watch keeps working entirely on its own. Note: haptic cues require an Apple Watch. The iPhone app configures presets and previews patterns using the iPhone's own haptics; the cues themselves play from the Watch.

About

Interval Chime

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Keep track of time with a chime while you study, work, or stretch. Interval Chime sounds at your chosen interval and stops automatically after the number of chimes you set. Create regular time markers without repeatedly checking your screen. For example, choose a 3-minute interval and 5 chimes, then tap Start for a 15-minute session. FREE FEATURES • Interval presets: 1, 3, 5, 10, or 15 minutes • Chime count presets: 1, 3, 5, 10, or 20 • Elapsed time, time until the next chime, and the number of chimes played • Pause, resume, and cancel • Four chime sounds and four color themes • An optional double chime at the end • Saved interval, count, sound, and theme settings • Notifications while your screen is locked or you use another app • Live Activities showing the timer status and your chosen settings PREMIUM — ONE-TIME IN-APP PURCHASE • Customize five interval presets from 1 to 60 minutes, in 1-minute steps • Customize five count presets from 1 to 60 chimes • Touch and hold a preset to edit it • Hide the banner linking to our other apps No subscription. See the price in the app's purchase screen. You can restore your purchase from the same screen. BEFORE YOU START Requires an iPhone with iOS 17.0 or later. Settings cannot be changed while a timer is running or paused. Notifications must be allowed for chimes while the app is in the background or the screen is locked. Notification sounds follow your silent mode, ringer/alert volume, Focus, and other system settings. Chimes while the app is on screen use media volume. Live Activity availability and display depend on your iPhone and system settings. Dynamic Island is available only on supported iPhones. LANGUAGES English, Japanese, and Korean. The app uses your preferred supported language. YOUR DATA Timer settings and session state are stored on your device. No app account is required. Purchases and restores use Apple's App Store, with RevenueCat managing purchase access. See the privacy policy for details.

Screenshots

Haptic Interval Timer4 screens
Interval Chime4 screens

Verdict

The call

The clearest difference is price: Interval Chime at Free against Haptic Interval Timer's $0.99. Haptic Interval Timer's advantage is in-app purchases (none vs 1) and chart position (#99 vs unranked). On ads, device support and iOS requirement there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Interval Chime is free to download; Haptic Interval Timer costs $0.99 up front. Interval Chime sells 1 one-off in-app purchase. Haptic Interval Timer asks for nothing beyond the download.

Scorecard3 real differences Ā· 4 level
Haptic Interval Timer versus Interval Chime: the parameters behind the verdict, then further details
ParameterHaptic Interval TimerInterval Chime
Price$0.99Free — better
Update frequency—Every 4 days
AdsNoNo
In-app purchasesNo — betterYes
Best chart rank#99 — better—
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size5 MB9 MB
Age rating4+4+
DeveloperFatCouple OÜNACHI KANEDA

In-app purchases

None

Haptic Interval Timer

No in-app purchases

1 purchases

Interval Chime

One-time1
  • ćƒ—ćƒ¬ćƒŸć‚¢ćƒ $2.99

Questions

Is Haptic Interval Timer free?
Haptic Interval Timer costs $0.99, with no in-app purchases.
Is Interval Chime free?
Interval Chime is free to download, with in-app purchases available.
Do Haptic Interval Timer or Interval Chime have ads?
Neither Haptic Interval Timer nor Interval Chime shows ads.

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