# JAWKU vs Line It Up 40

The clearest difference is rating: Line It Up 40 at 5.0 against JAWKU's 4.0. Line It Up 40 also leads on update cadence (daily vs every 2 months). JAWKU's advantage is ratings volume (257 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Line It Up 40 holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: JAWKU has 257 ratings behind it against 2, so its average is the more settled of the two.

JAWKU ships an update every 2 months, Line It Up 40 daily. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | JAWKU | Line It Up 40 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (257 ratings)](https://appshunter.io/ios/app/jawku/id1184083672/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/line-it-up-40/id6803956592/reviews)** |
| Number of ratings | **257** | 2 |
| Positive reviews | 67.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | Free |
| Size | 31 MB | 45 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brian Frohlich](https://appshunter.io/developer/1529541549) | [Emmanuel Matadi](https://appshunter.io/developer/6803956594) |

## What reviewers say

### JAWKU

[App page](https://appshunter.io/ios/app/jawku/id1184083672)

This app measures athletic performance metrics like speed, agility, and reaction time with a wearable sensor. It allows athletes to track progress, visualize improvements, and access training content to enhance their performance.

**Highlights:** Measure sprint speed, Measure agility drills, Measure vertical jump height, Measure reaction time, Track performance history, Visualize personal records, Access training content

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Portable and easy to set up
- 📊 Accurate timing comparable to expensive laser gates
- 💰 Cost-effective alternative to multi-thousand dollar systems
- 📱 Requires only phone and sensor
- 🎯 Versatile for multiple drill types (40yd dash, 5-10-5, vertical jump)

**What reviewers complain about**

- 🐛 Unreliable recording of times
- 📡 Bluetooth connectivity issues at longer ranges
- ❌ Fails on distances beyond 40 yards
- 🚫 Interference from people walking in front of camera
- ⚙️ Clunky and unintuitive interface

**Reported bugs**

- Sensor disconnects at longer ranges (100+ meters)
- Times not recorded despite successful setup
- Audible mode not working on iPhone 13
- Jump clip registration fails
- Device won't charge or pair

**Requested features**

- Multi-athlete simultaneous timing capability
- Continuous video recording with manual time selection
- Better documentation and instructional videos
- Improved app updates and maintenance
- Better Bluetooth range extension


### Line It Up 40

[App page](https://appshunter.io/ios/app/line-it-up-40/id6803956592)

Participate in 40-yard dash tournaments by filming your runs and submitting them for official review. Compete head-to-head in live brackets to earn a verified 40-yard dash time for your athlete profile.

**Highlights:** Film and submit 40-yard dash runs, Official review and verification of times, Live head-to-head bracket competition, Athlete profile with run history, Register for tournaments, View race schedules and results

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

**In-app purchases:** none


## Frequently asked questions

### Is JAWKU free?

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

### Is Line It Up 40 free?

Line It Up 40 is free to download, with no in-app purchases.

### Which has better reviews, JAWKU or Line It Up 40?

Line It Up 40 is rated higher. JAWKU averages 4.0 out of 5 from 257 ratings, while Line It Up 40 averages 5.0 from 2 ratings.

### Do JAWKU or Line It Up 40 have ads?

Neither JAWKU nor Line It Up 40 shows ads.

### Which is updated more often, JAWKU or Line It Up 40?

JAWKU ships an update every 2 months, and Line It Up 40 daily. Most recently, JAWKU was updated on October 22, 2026 and Line It Up 40 on October 20, 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.*