# Whistle Time vs TPP Wormer

The clearest difference is in-app purchases: TPP Wormer at none against Whistle Time's 2. TPP Wormer also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Whistle Time sells 2 in-app purchases, starting at $1.99 per month. TPP Wormer asks for nothing beyond the download.

Whistle Time ships an update every 9 days, TPP Wormer every 10 days. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Whistle Time | TPP Wormer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 74 MB | 36 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Robbert Brackel](https://appshunter.io/developer/1747007311) | [Tennis Padel Pickleball Wormer](https://appshunter.io/developer/6804982598) |

## What reviewers say

### Whistle Time

[App page](https://appshunter.io/ios/app/whistle-time/id1593470779)

This sports timing app helps referees manage matches with customizable timers, card tracking, and real-time data syncing. It also offers post-match analysis and a unique heatmap feature to track on-field movement.

**Highlights:** Customizable match periods and warnings, Yellow/red card and penalty tracking, Cross-device syncing (watch, phone, TV), Live match data sharing, Post-match event overview, On-field movement heatmap analysis

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Without adds | $1.99 | per month |
| Without adds | $17.99 | per year |


### TPP Wormer

[App page](https://appshunter.io/ios/app/tpp-wormer/id6804982596)

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

**In-app purchases:** none


## Frequently asked questions

### Is Whistle Time free?

Whistle Time is free to download, with in-app purchases available.

### Is TPP Wormer free?

TPP Wormer is free to download, with no in-app purchases.

### Do Whistle Time or TPP Wormer have ads?

Whistle Time shows ads; TPP Wormer does not.

### Which is updated more often, Whistle Time or TPP Wormer?

Whistle Time ships an update every 9 days, and TPP Wormer every 10 days. Most recently, Whistle Time was updated on October 14, 2026 and TPP Wormer on October 13, 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.*