Comparison

Periodic Timer + vs Interval Timer for the Gym

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

Head to head
About

Periodic Timer +

This app provides a simple, repeating interval timer that works in the background. It offers customizable sounds, vibration, and flexible output modes for various activities like fitness, cooking, and learning. The interface is designed to be minimalist and distraction-free.

Highlights
  • Repeating interval timer
  • Customizable sounds and vibration
  • Works in the background
  • Long intervals up to 99 hours
  • Multiple timer output modes
  • Shake to start functionality
Features
Read full description

Keep track of time without being distracted by the device! Simple and easy timer that repeats at your chosen interval. FEATURES - Many sounds to select + the ability to add custom ones. - Up to 4 pinned and up to 5 recent Quick Start items. - Long intervals - up to 99 hours! - Vibration, if the sound is off. - Works in the background. - 3 timer output modes: intervals, total time, countdown. - You can cancel or pause the timer with help of a notification. - Flexibility and minimalism. - Shake To Start - can be enabled in settings. - Prevent Lockscreen - another useful setting, the screen will not lock, while the timer is running. USE CASES Here is a list of use cases based on the real feedback: Fitness and health: - Stretching - Stationary bicycle (interval training) - On a treadmill - For HIIT - Jogging - Timed medication - Boxing Cooking - While frying potatoes - Roasting steaks - Checking an oven or a grill to prevent burning Learning & science - Foreign language learning - As a lab timer - Periodic data collection - Speech training - Presentation timing Other - Mindfulness - Communication - To have a sense of time flying away :) HELP Q: Why the timer doesn't work in the background? A: You should allow notifications. Q: How to turn off the sound and turn on the vibration? A: On the device, turn the Silent Mode on. (Side Switch) Q: How can I add a custom sound? A: There are four ways. Choose one depending where is the sound file located. * If the sound on your Mac or PC: 1. Connect the device. 2. Open Finder and select the device. 3. Select Files in the menu. There you'll find 'Periodic +' folder. 4. Drug and drop the sound file there. * From Files app on iPhone: 1. Copy the required file. 2. Open Periodic + folder and paste it. * From another app on iPhone (like Mail): 1. Open the app where the file is located. 2. Find and touch Share button (it may have different name, for example Export). 3. In the appearing Share Sheet find the list of apps. If there is no Periodic +, touch More and enable it. 4. Now select Periodic + in the Share dialog and the sound will be imported. * And the most convenient "+" button! 1. Open Sounds tab. 2. Hit the "+" button in the "Folder" section and pick your file. Q: Alert is limited for 5 seconds! A: Go to Settings app, then Periodic + > Notifications > Banner Style > Persistent. Q: How to switch the Timer Output Mode? A: To switch the Output Mode touch the timer display at the top of the screen. Q: What is Shake To Start for? A: Shake To Start setting allows to start/cancel the timer by shaking the device. Thus, you don't touch the screen, what can be useful while cooking, for example. For this mode, in order to work, the app should be open. This app has a free version with limited features. If you still have questions or suggestions, you can visit the support page (https://goo.gl/forms/pggVBcaBxdW85EGE3), the Facebook group (http://www.facebook.com/groups/PeriodicTimer/) or you can email me (periodictimer.sup@gmail.com). If you like the app - please, rate it!

About

Interval Timer for the Gym

Features
Read full description

**Transform Your Workouts with Precision Interval Training** Take your fitness to the next level with Interval Timer - the ultimate Apple Watch companion for high-intensity interval training (HIIT), circuit workouts, and structured exercise routines. **PERFECT FOR:** • High-Intensity Interval Training (HIIT) • Tabata workouts • Circuit training • Boxing/MMA rounds • Strength training rest periods • Custom workout routines **KEY FEATURES:** • **Fully Customizable Intervals** - Set work periods from 5 seconds to 1 hour, rest periods from 5 seconds to 30 minutes, and up to 50 rounds • **Real-Time Heart Rate Monitoring** - Track your current and average heart rate throughout your workout using Apple Watch sensors • **Always-On Display Optimized** - Special interface that works perfectly with Apple Watch's always-on display for continuous workout monitoring • **Audio & Haptic Feedback** - Clear sound alerts and haptic feedback to signal phase changes without looking at your watch • **Visual Progress Tracking** - See your workout progress with intuitive round indicators and phase displays • **Digital Crown Control** - Easily adjust settings using the Digital Crown for precise control • **Runs Independently** - No iPhone required - works completely standalone on Apple Watch **SMART DESIGN:** • Clean, easy-to-read interface optimized for quick glances during intense workouts • Large, bold timers visible even during high-intensity exercise • Automatic phase switching with clear visual and audio cues • Battery-efficient always-on display support for extended workout sessions **WORKOUT EXAMPLES:** • **Tabata**: 20 seconds work, 10 seconds rest, 8 rounds • **HIIT Classic**: 45 seconds work, 15 seconds rest, 10 rounds • **Boxing Rounds**: 3 minutes work, 1 minute rest, 5 rounds • **Custom Strength**: 60 seconds work, 90 seconds rest, 6 rounds **WHY CHOOSE WORKOUT INTERVAL TIMER:** Whether you're a fitness beginner or an experienced athlete, this app provides the precise timing and motivation you need to maximize your workout efficiency. The combination of heart rate monitoring, customizable intervals, and seamless Apple Watch integration makes it the perfect training companion.

Screenshots

Periodic Timer +4 screens
Interval Timer for the Gym4 screens

Verdict

The call

The clearest difference is in-app purchases: Interval Timer for the Gym at none against Periodic Timer +'s 3. Interval Timer for the Gym also leads on price ($0.99 vs $4.99). Periodic Timer +'s advantage is chart position (#98 vs unranked) and iOS requirement (17.0 vs 26.5). On update cadence, ads 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

Periodic Timer + costs $4.99 and Interval Timer for the Gym $0.99 up front. Periodic Timer + sells 3 one-off in-app purchases. Interval Timer for the Gym asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 16, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 7 level
Periodic Timer + versus Interval Timer for the Gym: the parameters behind the verdict, then further details
ParameterPeriodic Timer +Interval Timer for the Gym
Price$4.99$0.99 — better
Rating3.9 (74 ratings) — better—
Positive reviews53.6% of reviews—
Number of ratings74 — better—
Update frequencyEvery 4 monthsEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
Best chart rank#98 — better—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, Apple Watch
Requires iOS17.0 — better26.5
Further details — not scored
Size12 MB6 MB
Age rating4+4+
DeveloperVladimir KelinCurtis Netterville

Bugs and requests

Periodic Timer +

Reported bugs

14 issues
  • Doesn't work in background
  • Timer doesn't work for over 59 minutes on watch
  • Custom alert audio not working
  • Alarm not working after payment
  • App doesn't open
Show 9 more
  • Timer restarts automatically
  • External speaker volume lower
  • Battery drain on Apple Watch
  • Timer stops going off after a certain number of reps
  • App crashes
  • Sound uses sound effect volume on iPad
  • Heart rate sensor stays on when running in background
  • Timer restarts automatically
  • Volume barely audible

Requested features

23 requests
  • More sound options
  • Ability to set alarm for a time of day
  • Explanation for changing display mode
  • Simultaneous timers
  • Ability to set start/end times and weekdays
Show 18 more
  • Customizable notification text
  • Apple Watch complication
  • Widget support
  • Longer vibration duration
  • Lap count and current lap time display
  • Ability to set custom alert audio
  • Option to set alarm for a specific time of day
  • Ability to set multiple timers simultaneously
  • Ability to specify number of loop cycles
  • Option to use custom MP3 files for alerts
  • Control vibration duration
  • Synchronize with iOS clock
  • More diverse vibration modes
  • Ability to add custom notification sounds
  • Turn off Apple Watch function
  • Fix iPad sound volume control
  • Add more timers
  • Make timer not restart automatically

Interval Timer for the Gym

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Periodic Timer +

One-time3
  • Tip a Banana$0.99
  • Tip a Coffee$3.99
  • Donate: Bust the project!$9.99
None

Interval Timer for the Gym

No in-app purchases

Questions

Is Periodic Timer + free?
Periodic Timer + costs $4.99, and also offers in-app purchases.
Is Interval Timer for the Gym free?
Interval Timer for the Gym costs $0.99, with no in-app purchases.
Do Periodic Timer + or Interval Timer for the Gym have ads?
Neither Periodic Timer + nor Interval Timer for the Gym shows ads.
Which is updated more often, Periodic Timer + or Interval Timer for the Gym?
Periodic Timer + ships an update every 4 months, and Interval Timer for the Gym every 4 months. Most recently, Periodic Timer + was updated on October 16, 2026 and Interval Timer for the Gym on September 23, 2026.

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