# Penalty Timer vs Jam Timer

Penalty Timer and Jam Timer are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Penalty Timer costs $3.99 and Jam Timer $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 1.0 for Penalty Timer against 1.0 for Jam Timer. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | Penalty Timer | Jam Timer |
| --- | --- | --- |
| Price | $3.99 | $3.99 |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/penalty-timer-roller-derby/id6747129159/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/jam-timer-roller-derby-timer/id6747149650/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Paid | Paid |
| Best chart rank | #200 | **#188** |
| Size | 18 MB | 19 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sebastin Michael](https://appshunter.io/developer/1224523462) | [DLY](https://appshunter.io/developer/1627865311) |

## What reviewers say

### Penalty Timer

[App page](https://appshunter.io/ios/app/penalty-timer-roller-derby/id6747129159)

**Currently charting:** #200 Top Paid · Sports (US App Store)

This app provides precise penalty timing for roller derby officials and coaches. It features WFTDA rule compliance, offline functionality, and customizable settings for various game scenarios. Designed by derby enthusiasts, it ensures reliable timing without internet or ads.

**Highlights:** WFTDA rule-compliant penalty codes, Offline functionality, One-tap timer management, Customizable team colors, Flexible timer configurations, 10-second warning alerts

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

**In-app purchases:** none


### Jam Timer

[App page](https://appshunter.io/ios/app/jam-timer-roller-derby-timer/id6747149650)

**Currently charting:** #188 Top Paid · Sports (US App Store)

This app provides precise timing control for roller derby officials, offering built-in configurations for various leagues and professional timing features. It's designed for one-handed operation with a clear display and haptic feedback, working completely offline.

**Highlights:** Built-in game configurations, Professional timing control, Designed for officials, Game management features, Offline operation

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

**In-app purchases:** none


## Frequently asked questions

### Is Penalty Timer free?

Penalty Timer costs $3.99, with no in-app purchases.

### Is Jam Timer free?

Jam Timer costs $3.99, with no in-app purchases.

### Which has better reviews, Penalty Timer or Jam Timer?

Penalty Timer and Jam Timer are both rated 1.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Penalty Timer or Jam Timer have ads?

Neither Penalty Timer nor Jam Timer shows ads.

### Which is more popular, Penalty Timer or Jam Timer?

Penalty Timer currently peaks at #200 in the App Store charts, and Jam Timer at #188. Chart position reflects recent download velocity rather than total install base.

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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.*