Comparison

Interval Timer vs Calculadora runner

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

Head to head
About

Interval Timer

This app provides a customizable timer for high-intensity interval training (HIIT), Tabata, and other workout styles. It offers clear visual cues and sound notifications to guide users through work and rest periods, allowing them to focus on their exercise. Users can save routines, set reminders, and integrate with music playback.

Highlights
  • Customizable work and rest intervals
  • Sound cues for phase transitions
  • Background operation
  • Landscape mode support
  • Save custom routines
  • Workout reminders
  • Clear phase color indicators
Features
Read full description

Set your work and rest intervals, press start, and focus on your workout. PureHIIT is a simple timer for HIIT, Tabata, EMOM, circuits, and boxing rounds. • Adjust work, rest, and round settings to suit your session. • Follow sound cues as you move from one phase to the next. • Keep listening to your music while you train. • Use the timer in the background or in landscape mode. • Start with a prebuilt routine or save your own. • Set workout reminders to help you keep a routine. Getting started is simple: choose a routine or set your intervals, check the number of rounds, and press start. Clear phase colors help you see when to work and when to rest. Free to download, with optional in-app purchases. Apple Watch features require Premium. On Apple Watch, the app integrates with Health to record heart rate and energy used. Make time for your next workout with PureHIIT. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Calculadora runner

Features
Read full description

Funciones: 1) Cálculo de ritmo (Pace). ¿A que ritmo debo correr para completar los 10K en 50 minutos? Cálculo de ritmo de carrera (pace) a partir del ingreso de una distancia y un tiempo. 2) Cálculo de tiempo a partir dado una distancia y un ritmo determinado. ¿Cuánto tardaré en completar los 21k si corro a un ritmo de 6' 35" el kilometro? Cálculo del tiempo que le tomará finalizar una carrera a partir del ingreso de una distancia y un ritmo. 3) Cálculo de distancia a partir de un ritmo y un tiempo específicos. ¿Que distancia recorreré si corro 1 Hora y 35 Minutos en un ritmo de 6:45 Min/Km? Cálculo de la distancia que recorrerá en un tiempo y ritmo específico. 4) Cálculo de tiempos parciales. Ingresando distancia, el tiempo esperado y el período (Cada 1 km, cada 5 km, etc) se mostrará el tiempo parcial objetivo de cada período. Por ejemplo, seleccionando Media Maratón, un tiempo esperado de 1:55:22 y parciales cada 5 KM, los resultados son: Ritmo: 5:27 min/km KM 5 : 00:27:18 KM 10 : 00:54:36 KM 15 : 01:21:53 KM 20 : 01:49:12 Final : 01:55:22 5) Pronosticador o predictivo. Permite obtener una estimación de tiempos partir de los tiempos obtenidos en carreras de menor distancia Esta app es gratuita y no posee restricciones en la cantidad de cálculos a realizar.

Screenshots

Interval Timer4 screens
Calculadora runner4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculadora runner at none against Interval Timer's 7. Calculadora runner also leads on ads (none vs shown). Interval Timer's advantage is update cadence (fortnightly vs every 42 months). On price, device support and iOS requirement 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 7 in-app purchases, starting at $3.99 per month. Calculadora runner asks for nothing beyond the download.

UpkeepUpdate frequency

Interval Timer ships an update fortnightly, Calculadora runner every 42 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Interval Timer versus Calculadora runner: the parameters behind the verdict, then further details
ParameterInterval TimerCalculadora runner
PriceFreeFree
Rating4.8 (297 ratings) — better—
Positive reviews73.3% of reviews—
Number of ratings297 — better—
Update frequencyFortnightly — betterEvery 42 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size45 MB23 MB
Age rating+417+
DeveloperMiklos PavelMarcos Ceresoli

Bugs and requests

Interval Timer

Reported bugs

2 issues
  • Advertisements still present after paying for removal
  • App requires premium to start timer (recent change)

Requested features

8 requests
  • Remove the cap on rounds
  • Add a background click feature (e.g., every second)
  • More sound options
  • Option for more than one workout
  • Add a halfway beep
Show 3 more
  • Add a countdown for the workout interval
  • Beep once at 15 seconds for a 30-second workout interval
  • Countdown the last 3 seconds of a workout interval

Calculadora runner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Interval Timer

Subscriptions2
  • Monthly$3.991 Month
  • Yearly7 Days trial$19.991 Year
One-time5
  • Remove Ads$1.99
  • Custom sounds$1.99
  • Premium features$4.99
Show 2 more
  • Premium features$9.99
  • Premium features$14.99
None

Calculadora runner

No in-app purchases

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is Calculadora runner free?
Calculadora runner is free to download, with no in-app purchases.
Do Interval Timer or Calculadora runner have ads?
Interval Timer shows ads; Calculadora runner does not.
Which is updated more often, Interval Timer or Calculadora runner?
Interval Timer ships an update fortnightly, and Calculadora runner every 42 months. Most recently, Interval Timer was updated on November 2, 2026 and Calculadora runner on November 3, 2026.

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