# JamTimer vs Jam Timer

The clearest difference is rating: JamTimer at 5.0 against Jam Timer's 1.0. JamTimer also leads on chart position (#185 vs unranked) and ratings volume (9 vs 1). On ads, in-app purchases, monetization model and device support there is nothing between them.

JamTimer costs $1.99 and Jam Timer $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JamTimer holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: JamTimer has 9 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | JamTimer | Jam Timer |
| --- | --- | --- |
| Price | **$1.99** | $3.99 |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/jamtimer-for-roller-derby/id435346062/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/jam-timer-roller-derby-timer/id6747149650/reviews) |
| Number of ratings | **9** | 1 |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Paid | Paid |
| Best chart rank | **#185** | — |
| Size | 1 MB | 19 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fearless Code](https://appshunter.io/developer/312416741) | [DLY](https://appshunter.io/developer/1627865311) |

## What reviewers say

### JamTimer

[App page](https://appshunter.io/ios/app/jamtimer-for-roller-derby/id435346062)

**Currently charting:** #185 Top Paid · Sports (US App Store)

This app is a dedicated tool for roller derby jam-timers, replacing traditional stopwatches. It offers pre-set configurations for major leagues and allows for custom settings for any game scenario. Large buttons and vibration alerts ensure easy operation during fast-paced matches.

**Highlights:** Roller derby jam-timing, WFTDA, RDCL, OSDA configurations, Custom game settings, One-hand operation, Vibrate warnings

**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)

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 JamTimer free?

JamTimer costs $1.99, with no in-app purchases.

### Is Jam Timer free?

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

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

JamTimer is rated higher. JamTimer averages 5.0 out of 5 from 9 ratings, while Jam Timer averages 1.0 from 1 ratings.

### Do JamTimer or Jam Timer have ads?

Neither JamTimer nor Jam Timer shows ads.

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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.*