# Warmup HIIT Interval Timer vs Exerscroll Screen Time Control

The clearest difference is monetization model: Warmup HIIT Interval Timer at free with in-app purchases against Exerscroll Screen Time Control's subscription. Warmup HIIT Interval Timer also leads on update cadence (every 8 days vs every 3 weeks) and device support (3 vs 1). Exerscroll Screen Time Control's advantage is ads (none vs shown). On price, review sentiment and in-app purchases there is nothing between them.

Both are free to download. Warmup HIIT Interval Timer sells 3 one-off in-app purchases and Exerscroll Screen Time Control sells 5 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

Warmup HIIT Interval Timer ships an update every 8 days, Exerscroll Screen Time Control every 3 weeks. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Warmup HIIT Interval Timer | Exerscroll Screen Time Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (11 ratings)](https://appshunter.io/ios/app/exerscroll-screen-time-control/id6759187664/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 6 MB | 205 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Whizbang](https://appshunter.io/developer/478553656) | [Ty Switzer](https://appshunter.io/developer/1843533076) |

## What reviewers say

### Warmup HIIT Interval Timer

[App page](https://appshunter.io/ios/app/warmup-hiit-interval-timer/id1509032368)

This application provides a free, simple interval timer for HIIT workouts and a countdown timer. It also features a quick workout mode that generates daily exercise challenges.

**Highlights:** HIIT interval timer, Countdown timer, Quick workout feature, Daily exercise challenges, Simple and easy to use

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $5.99 | one-time |


### Exerscroll Screen Time Control

[App page](https://appshunter.io/ios/app/exerscroll-screen-time-control/id6759187664)

This app transforms phone usage by requiring physical exercise to unlock app minutes. Instead of mindless scrolling, users perform exercises like push-ups and squats to earn back their phone time, promoting both fitness and reduced screen addiction.

**Highlights:** Exercise-based app unlocks, Smart blocker for chosen apps, Customizable reps-to-minutes conversion, Progress tracking for minutes and streaks, Gamified levels and badges, Integrates with iOS Screen Time

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Exerscroll Screen Time Monthly | $14.99 | per month |
| Exerscroll Quarterly | $24.99 | per 3 months |
| Exerscroll Screen Time Yearly | $29.99 | per year |
| Exerscroll Screen Time Yearly | $39.99 | per year |
| Exerscroll Screen Time Yearly | $59.99 | per year |


## Frequently asked questions

### Is Warmup HIIT Interval Timer free?

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

### Is Exerscroll Screen Time Control free?

Exerscroll Screen Time Control is free to download, with in-app purchases available.

### Do Warmup HIIT Interval Timer or Exerscroll Screen Time Control have ads?

Warmup HIIT Interval Timer shows ads; Exerscroll Screen Time Control does not.

### Which is updated more often, Warmup HIIT Interval Timer or Exerscroll Screen Time Control?

Warmup HIIT Interval Timer ships an update every 8 days, and Exerscroll Screen Time Control every 3 weeks. Most recently, Warmup HIIT Interval Timer was updated on October 3, 2026 and Exerscroll Screen Time Control on October 7, 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.*