# Sprinters Speed Training vs Jacks

The clearest difference is review sentiment: Jacks at 100% against Sprinters Speed Training's 0%. Jacks also leads on rating (5.0 vs 3.0) and ads (none vs shown). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Sprinters Speed Training sells 11 in-app purchases, starting at $0.99 per month and Jacks sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Jacks holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Jacks has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Sprinters Speed Training's written reviews are positive against 100% of Jacks's.

Sprinters Speed Training ships an update every 5 weeks, Jacks every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sprinters Speed Training | Jacks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/sprinters-speed-training/id1006594013/reviews) | **[5.0 (13 ratings)](https://appshunter.io/ios/app/jacks/id6749694306/reviews)** |
| Number of ratings | 2 | **13** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 110 MB | 39 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Loyal Health & Fitness, Inc.](https://appshunter.io/developer/1088263310) | [Civil Saint LLC](https://appshunter.io/developer/1831767003) |

## What reviewers say

### Sprinters Speed Training

[App page](https://appshunter.io/ios/app/sprinters-speed-training/id1006594013)

Enhance your sprinting performance with tailored exercise programs. Optimize starts, strides, and leg turnover for race day. Features audio guidance, instructional videos, and offline workout options.

**Highlights:** Personalized weekly workouts, Audio guidance from digital trainer, HD instructional videos, Offline workout capability, DJ-mixed coaching sessions, Multiple speed training programs

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Fitivity Premium | $1.99 | per month |
| ad Free One Month | $1.99 | per month |
| Yearly Subscription | $5.99 | per year |
| Yearly Subscription | $9.49 | per year |
| Entire Program - Increase Sprint Speed Strength | $2.99 | one-time |
| Entire Program - Elite Sports Speed & Footwork | $2.99 | one-time |
| Entire Program - Runner Flexibility | $2.99 | one-time |
| Entire Program - Football Speed & Agility | $2.99 | one-time |
| Purchase levels of all programs | $7.99 | one-time |
| Lifetime Premium Subscription | $299.99 | one-time |


### Jacks

[App page](https://appshunter.io/ios/app/jacks/id6749694306)

Track and log your combat sports training, including sparring sessions and workouts. Connect with gyms and training partners, and monitor your progress over time. This app helps you stay accountable and grow as a fighter.

**Highlights:** Log sparring sessions, Track training history, Tag gym locations, Search for gyms and opponents, Build personal training record, Share workout data

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annual | $7.99 | per year |


## Frequently asked questions

### Is Sprinters Speed Training free?

Sprinters Speed Training is free to download, with in-app purchases available.

### Is Jacks free?

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

### Which has better reviews, Sprinters Speed Training or Jacks?

Jacks is rated higher. Sprinters Speed Training averages 3.0 out of 5 from 2 ratings, while Jacks averages 5.0 from 13 ratings.

### Do Sprinters Speed Training or Jacks have ads?

Sprinters Speed Training shows ads; Jacks does not.

### Which is updated more often, Sprinters Speed Training or Jacks?

Sprinters Speed Training ships an update every 5 weeks, and Jacks every 3 weeks. Most recently, Sprinters Speed Training was updated on October 24, 2026 and Jacks on October 28, 2026.

---

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