# Interval Timer vs Fever Track

The clearest difference is rating: Interval Timer at 4.5 against Fever Track's 3.9. Interval Timer also leads on ratings volume (39 vs 13). Fever Track's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Interval Timer sells 4 in-app purchases, starting at $3.99 per 7 days and Fever Track sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Interval Timer holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 39 and 13 respectively.

Interval Timer ships an update every 6 weeks, Fever Track every 2 weeks. Both last shipped on October 15, 2026.

## The numbers

| Metric | Interval Timer | Fever Track |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (39 ratings)](https://appshunter.io/ios/app/interval-timer-workout-timer/id6740899335/reviews)** | [3.9 (13 ratings)](https://appshunter.io/ios/app/fever-track-body-thermometer/id6752243052/reviews) |
| Number of ratings | **39** | 13 |
| Positive reviews | 85.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 43 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Vipul Prajapati](https://appshunter.io/developer/1737800971) | [AHMAD MECHANICAL PRODUCTION PRIVATE LIMITED](https://appshunter.io/developer/1859603509) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-workout-timer/id6740899335)

This app provides a versatile interval timer for various fitness activities, including Tabata, HIIT, and running. Customize work and rest periods, set multiple rounds, and utilize voice prompts for seamless training. It functions as a stopwatch and countdown timer for diverse workout needs.

**Highlights:** Customizable interval timer, Tabata and HIIT workout support, Running and cardio intervals, Stopwatch and countdown timer, Voice prompts and loud alerts, Background mode, Screen stays awake

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer For Workouts | $3.99 | per 7 days |
| Workouts Timer, Interval Timer | $9.99 | per month |
| Interval Timer, Tabata, HIIT | $19.99 | per year |
| Workouts Tabata Interval Timer Pro | $19.99 | one-time |


### Fever Track

[App page](https://appshunter.io/ios/app/fever-track-body-thermometer/id6752243052)

Monitor your health with this app, which allows you to log body temperature, symptoms, and mood. It provides calendar views, statistics, and reminders to help you track your well-being and identify health trends.

**Highlights:** Manual temperature logging (°C/°F), Symptom and mood tracking, Calendar and historical views, Temperature statistics and charts, Customizable reminders, Medication reminders

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Temp Monitor Premium | $4.99 | per 7 days |
| Fever Track Premium | $4.99 | per 7 days |
| Fever Track Lifetime | $119.99 | one-time |


## Frequently asked questions

### Is Interval Timer free?

Interval Timer is free to download, with in-app purchases available.

### Is Fever Track free?

Fever Track is free to download, with in-app purchases available.

### Which has better reviews, Interval Timer or Fever Track?

Interval Timer is rated higher. Interval Timer averages 4.5 out of 5 from 39 ratings, while Fever Track averages 3.9 from 13 ratings.

### Do Interval Timer or Fever Track have ads?

Neither Interval Timer nor Fever Track shows ads.

### Which is updated more often, Interval Timer or Fever Track?

Interval Timer ships an update every 6 weeks, and Fever Track every 2 weeks. Most recently, Interval Timer was updated on October 15, 2026 and Fever Track on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*