Intervo vs Shift
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Intervo
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Intervo is a fast, focused interval timer for HIIT, Tabata, circuit training, boxing rounds, EMOM and stretching. Build any work/rest interval, then let Intervo run the whole session for you β hands-free. EVERYTHING IS FREE All features are unlocked at no cost: save unlimited presets, voice countdown, sound cues and color themes. No subscriptions, no in-app purchases. FULLY CUSTOMIZABLE β’ Set prepare, work and rest durations β’ Choose rounds per set and number of sets β’ Add a longer rest between sets β’ One-tap Tabata preset (20s work / 10s rest x 8) CLEAR, BIG DISPLAY β’ Huge color-coded countdown ring you can read across the room β’ Each phase has its own color: prepare, work, rest, set break β’ Round and set progress at a glance β’ A preview of what comes next AUDIO & HAPTICS β’ Beeps on every phase change and the final 3-second countdown β’ Vibration feedback β’ Optional spoken voice countdown (English / Japanese) β’ Keeps the screen awake during a workout SAVE YOUR ROUTINES Save any configuration as a named preset and start it again with one tap. Tabata, HIIT, EMOM and more are included to get you going. PRIVATE & OFFLINE Intervo generates time entirely on your device. It needs no account, no sign-in and no internet connection. Nothing about your workouts ever leaves your phone. β’ English and Japanese β’ Light and dark themes with multiple accent colors β’ Designed for one-handed use Whether you do quick Tabata sets at home or full HIIT circuits at the gym, Intervo keeps you moving. Download it free and start your first interval in seconds. Intervo is free and supported by ads.
Shift
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Shift is an interval timer made as simple as possible (but not any simpler). Set up in seconds: β’ Work β’ Rest β’ Repeat How long you exercise β how long you recover β how many rounds. Thatβs all. Tap Start and Shift takes it from there. Finished workouts stay in History, so your last workout can be your next preset. Load it and go. A few essentials: β’ Voice cues or simple tones that donβt lower your music β’ Keeps time in the background β’ A Live Activity on your Lock Screen and Dynamic Island β’ A workout display you can turn sideways β’ Made for iPhone and iPad Completely free. No ads, no paywall, no subscriptions. No accounts, analytics or tracking. Your workouts stay on your device.
Screenshots
Verdict
The clearest difference is update cadence: Shift at every 4 days against Intervo's every 8 days. Intervo's advantage is iOS requirement (17.0 vs 26). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Intervo ships an update every 8 days, Shift every 4 days. The most recent releases landed on September 20, 2026 and September 12, 2026 respectively.
| Parameter | Intervo | Shift |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 days | Every 4 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad β better |
| Requires iOS | 17.0 β better | 26 |
| Further details β not scored | ||
| Size | 23 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuki Okawa | Jorick van Meijeren |
In-app purchases
Intervo
No in-app purchases
Shift
No in-app purchases









