Comparison

BS vs Interval Timer

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

Head to head
About

BS

A straightforward workout timer designed for focus, offering customizable rounds, intervals, and start delays without any advertisements. Adjust sound effects to suit your training style for a distraction-free experience.

Highlights
  • Customizable number of rounds
  • Adjustable time per round
  • Configurable rest intervals
  • Pre-workout countdown
  • Adjustable sound effects
  • Ad-free experience
Read full description

Focus on your workout, not on ads. This BS Free Interval Timer satisfies your basic timer needs without any mid-workout distractions. Freely select the number of rounds, time per round, time in between rounds, or time before starting. Adjust any sound effects to your personal preference. If you are looking for a basic timer, this one is simple, effective and absolutely BS free.

About

Interval Timer

This app is a versatile interval timer designed for various training styles like Tabata and HIIT. It offers customizable workout parameters, voice guidance, and music ducking for an enhanced training experience. Save your custom workouts and track your progress.

Highlights
  • Customizable interval settings
  • Voice assistant with text-to-speech
  • Music ducking for audio integration
  • Save custom workouts
  • Tabata, Rounds, Stopwatch modes
  • Apple Health integration
Features
Read full description

Special timer for interval training. This Interval Timer offers: • Very intuitive interface. After installing this timer you need to press one button to start a tabata workout with classic settings. • Ability to set up prepare, work, rest, rest between sets, cool down time, number of cycles and sets. • Intervals can be configured individually. With this interval training timer you can create any interval workout with any sequence of intervals. • Voice assistant with text-to-speech. • Add descriptions to intervals that will be displayed on the timer screen and will be voiced. • Bright and nice colors. • Ability to lower the volume in your music player while playing the timer sounds (ducking). • List of your saved workouts. • NEW! Quick workout - setup your workout with fast and ease. The opportunity to display mode: - Tabata Protocol. - Rounds. - Stopwatch. - Intervals. Tabata is a form of high-intensity interval training (HIIT): • Workout hard for 20 seconds • Rest for 10 seconds • Complete 8 rounds It's time to train, good luck! Application supports Apple Health to track activity during workout. You can download the app for free. Further use requires a subscription. At our discretion, we may decide to offer you a free trial per the terms displayed in the app. Please note that: When opting for a subscription, you pay the fixed price for your country, which is displayed in the app. Payment will be charged to your Apple ID Account upon confirmation of purchase. Subscription automatically renews and free trial automatically converts into subscription unless auto-renewal is turned off 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 subscription period. You can manage your subscriptions and turn off auto-renewal by going to Account Settings after purchase. When canceling a subscription or a free trial, your subscription/free trial will stay active until the end of the current period. Auto-renewal will be disabled, but the current subscription will not be refunded. Terms of Use and Privacy Policy: https://docs.google.com/document/d/1FMzBsd_mSO69xuzkpOKljPPtxRMWMTzt2iGs6wJIhik

Screenshots

BS3 screens
Interval Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: BS at none against Interval Timer's 12. BS also leads on review sentiment (92% vs 67%) and device support (3 vs 1). On price, update cadence and ads 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. Interval Timer sells 12 in-app purchases, starting at $1.99 per month. BS asks for nothing beyond the download.

UpkeepUpdate frequency

BS ships an update every 2 weeks, Interval Timer every 4 weeks. The most recent releases landed on July 19, 2026 and September 29, 2026 respectively.

Scorecard5 real differences · 5 level
BS versus Interval Timer: the parameters behind the verdict, then further details
ParameterBSInterval Timer
PriceFreeFree
Rating—4.7 (3.5K ratings) — better
Positive reviews91.7% of reviews — better67.3% of reviews
Number of ratings—3.5K — better
Update frequencyEvery 2 weeks — betterEvery 4 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.0
Further details — not scored
Size2 MB243 MB
Age rating4+4+
DeveloperSimon PlovytHIIT Apps Sp. z o.o.

Customer experience

BS

All ratings19 ratings
Positive89.5%
Neutral0.0%
Negative10.5%
Written reviews12 reviews
Positive91.7%
Neutral8.3%
Negative0.0%

Interval Timer

All ratings3,466 ratings
Positive92.1%
Neutral2.3%
Negative5.6%
Written reviews395 reviews
Positive67.3%
Neutral7.8%
Negative24.8%

Bugs and requests

BS

Not enough reviews yet to summarise bugs or requests.

Interval Timer

Reported bugs

3 issues
  • Workouts disappearing
  • App crashes and freezes
  • Timing issues with intervals

Requested features

4 requests
  • Apple Watch integration
  • More customization options
  • Additional audio cues and prompts
  • Improved workout tracking and history

In-app purchases

None

BS

No in-app purchases

12 purchases

Interval Timer

Subscriptions8
  • Intervals: monthly membership7 Days trial$1.991 Month
  • Intervals: membership7 Days trial$3.993 Months
  • Intervals: monthly membership$4.991 Month
Show 5 more
  • Intervals: yearly membership$6.991 Year
  • Intervals: yearly membership1 Year trial$9.991 Year
  • Intervals: yearly membership7 Days trial$19.991 Year
  • Intervals: yearly membership7 Days trial$24.991 Year
  • Intervals: membership7 Days trial$24.991 Year
One-time4
  • Intervals | PRO version$14.99
  • Intervals | Membership$14.99
  • Intervals | Membership$34.99
Show 1 more
  • Intervals | Membership$39.99

Questions

Is BS free?
BS is free to download, with no in-app purchases.
Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Do BS or Interval Timer have ads?
Neither BS nor Interval Timer shows ads.
Which is updated more often, BS or Interval Timer?
BS ships an update every 2 weeks, and Interval Timer every 4 weeks. Most recently, BS was updated on July 19, 2026 and Interval Timer on September 29, 2026.

Other comparisons