Comparison

Yollo vs Workout Timer Interval & HIIT

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

Head to head
About

Yollo

This app helps you create custom interval running routines with adjustable voice guidance. It also features social connections, appointment scheduling for runs, and integration with health data.

Highlights
  • Customizable interval running courses
  • Adjustable voice guidance frequency
  • Music playback without interruption
  • Run appointment scheduling
  • Follow nearby runners
  • Direct messaging with connections
Features
Read full description

*The best interval running timer app Yollo that provides you with the best running experience! - An app that allows you to set up the optimal interval running courses and adjust the frequency of voice guidance for your needs. *Clean Voice Coaching Running App - A running app with a no-frills voice coach that allows you to run while listening to music uninterrupted. *Appointments - A way to not procrastinate running! - Make appointments to run at the same time at your respective locations. *Social - Follow nearby runners and stimulate your running instincts. *Dating - If you follow each other, you can chat. Yollo Subscription • Get customized interval runs even after free use of 1 month. • Unlimited access to view runner profiles. • Unlimited access to view distance/rankings on the ranking list. • Create appointments with others without restriction. • Create clubs without restriction. • Invite club members without restriction. Yollo uses HealthKit to export your Yollo activities to the Health app and read heart rate and biometric data. You can subscribe and pay through your iTunes account. Payment will be charged to your iTunes account at confirmation of purchase. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. Subscriptions may be managed by the user and auto-renew may be turned off after purchase by going to the 'Manage Subscription' page in settings. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. The subscription will renew at the same cost. Terms of Service: https://support.yolloapp.com/terms Privacy Policy: https://support.yolloapp.com/

About

Workout Timer Interval & HIIT

This app offers customizable interval timers for various training styles like HIIT, Tabata, and Crossfit. Track your progress, enjoy background music, and switch between light and dark modes to enhance your fitness routine.

Highlights
  • Customizable interval timers
  • Supports HIIT, Tabata, WOD, Crossfit, EMOM, AMRAP
  • Historical workout tracking
  • Background music playback
  • Light and dark mode themes
  • Intuitive interface
Features
Read full description

The simplest way to time any workout. Set your intervals, hit start, and go. Free forever - no trials, no expiry, no catch. Whether you're doing HIIT, Tabata, boxing rounds, running intervals, circuit training, or just need a reliable stopwatch, Interval Trainer gets out of your way and lets you focus on the work. FREE - FOREVER - Unlimited interval timers with custom rounds, work, and rest periods - Segment-based timing with Warm-up, Prep, Work, Rest, and Cool-down phases - Color and sound cues so you never miss a transition - Runs in the background while your music keeps playing - 6 themes and light/dark mode PREMIUM - Workout history - track progress and stay consistent - Custom workout builder - save and reuse your favourite sessions - Ad-free experience Download free and start your first session in under a minute. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.termsfeed.com/live/6125dabf-a638-49d7-b81e-118dfbb88572

Screenshots

Yollo4 screens
Workout Timer Interval & HIIT4 screens

Verdict

The call

The clearest difference is rating: Yollo at 5.0 against Workout Timer Interval & HIIT's 4.5. Yollo also leads on review sentiment (74% vs 53%) and iOS requirement (14.0 vs 16.1). Workout Timer Interval & HIIT's advantage is ratings volume (145 vs 15). 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. Yollo sells 2 in-app purchases, starting at $39.99 per year and Workout Timer Interval & HIIT sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Yollo holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Workout Timer Interval & HIIT has 145 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 74% of Yollo's written reviews are positive against 53% of Workout Timer Interval & HIIT's.

UpkeepUpdate frequency

Yollo ships an update every 4 weeks, Workout Timer Interval & HIIT fortnightly. Both last shipped on October 12, 2026.

Scorecard4 real differences · 6 level
Yollo versus Workout Timer Interval & HIIT: the parameters behind the verdict, then further details
ParameterYolloWorkout Timer Interval & HIIT
PriceFreeFree
Rating5.0 (15 ratings) — better4.5 (145 ratings)
Positive reviews74.2% of reviews — better53.2% of reviews
Number of ratings15145 — better
Update frequencyEvery 4 weeksFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPod, Apple Watch — betteriPhone, Apple Watch
Requires iOS14.0 — better16.1
Further details — not scored
Size203 MB29 MB
Age rating4+4+
DeveloperStudio Y Inc.Simon Jansen

Customer experience

Yollo

All ratings15 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews31 reviews
Positive74.2%
Neutral9.7%
Negative16.1%

Workout Timer Interval & HIIT

All ratings145 ratings
Positive86.9%
Neutral5.5%
Negative7.6%
Written reviews47 reviews
Positive53.2%
Neutral14.9%
Negative31.9%

In-app purchases

2 purchases

Yollo

Subscriptions1
  • Yearly Subscription$39.991 Year
One-time1
  • Coach$1.99
3 purchases

Workout Timer Interval & HIIT

Subscriptions2
  • Monthly subscription$2.991 Month
  • Premium Yearly$14.991 Year
One-time1
  • Premium$29.99

Questions

Is Yollo free?
Yollo is free to download, with in-app purchases available.
Is Workout Timer Interval & HIIT free?
Workout Timer Interval & HIIT is free to download, with in-app purchases available.
Which has better reviews, Yollo or Workout Timer Interval & HIIT?
Yollo is rated higher. Yollo averages 5.0 out of 5 from 15 ratings, while Workout Timer Interval & HIIT averages 4.5 from 145 ratings.
Do Yollo or Workout Timer Interval & HIIT have ads?
Neither Yollo nor Workout Timer Interval & HIIT shows ads.
Which is updated more often, Yollo or Workout Timer Interval & HIIT?
Yollo ships an update every 4 weeks, and Workout Timer Interval & HIIT fortnightly. Most recently, Yollo was updated on October 12, 2026 and Workout Timer Interval & HIIT on October 12, 2026.

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