# Lets HIIT vs Poop Tracker

Lets HIIT and Poop Tracker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Lets HIIT sells 2 in-app purchases, starting at $2.49 per month and Poop Tracker sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Lets HIIT ships an update monthly, Poop Tracker every 2 months. The most recent releases landed on October 2, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Lets HIIT | Poop Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Size | 35 MB | 49 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BTS Software Development Company Limited](https://appshunter.io/developer/1754895889) | [Tianjin Illuso Information Technology Co., Ltd.](https://appshunter.io/developer/1864792206) |

## What reviewers say

### Lets HIIT

[App page](https://appshunter.io/ios/app/lets-hiit-tabata-timer/id6505046723)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free Monthly | $2.49 | per month |
| Ad-free Annual | $12.99 | per year |


### Poop Tracker

[App page](https://appshunter.io/ios/app/poop-tracker-stool-diary/id6767535786)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Weekly) | $2.99 | per 7 days |
| Pro (Yearly) | $29.99 | per year |


## Frequently asked questions

### Is Lets HIIT free?

Lets HIIT is free to download, with in-app purchases available.

### Is Poop Tracker free?

Poop Tracker is free to download, with in-app purchases available.

### Do Lets HIIT or Poop Tracker have ads?

Both Lets HIIT and Poop Tracker show ads.

### Which is updated more often, Lets HIIT or Poop Tracker?

Lets HIIT ships an update monthly, and Poop Tracker every 2 months. Most recently, Lets HIIT was updated on October 2, 2026 and Poop Tracker on September 28, 2026.

---

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