# JEGS Perfect Start vs SGMP

The clearest difference is review sentiment: JEGS Perfect Start at 51% against SGMP's 0%. JEGS Perfect Start also leads on in-app purchases (none vs 2) and ratings volume (34 vs 2). SGMP's advantage is price (Free vs $0.99) and rating (4.0 vs 2.8). On ads and device support there is nothing between them.

SGMP is free to download; JEGS Perfect Start costs $0.99 up front. SGMP sells 2 in-app purchases, starting at $4.99 per month. JEGS Perfect Start asks for nothing beyond the download.

SGMP holds the better App Store score, 4.0 against 2.8. That said, the two scores are not equally well evidenced: JEGS Perfect Start has 34 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 51% of JEGS Perfect Start's written reviews are positive against 0% of SGMP's, so the app with the better star average is not the one people write more warmly about.

JEGS Perfect Start ships an update every 22 months, SGMP every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | JEGS Perfect Start | SGMP |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.8 (34 ratings)](https://appshunter.io/ios/app/jegs-perfect-start/id379258576/reviews) | **[4.0 (2 ratings)](https://appshunter.io/ios/app/sgmp/id1472954577/reviews)** |
| Number of ratings | **34** | 2 |
| Positive reviews | **51.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#31** | — |
| Size | 22 MB | 17 MB |
| Requires iOS | **6.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Horizons  Companies](https://appshunter.io/developer/379258579) | [Stephan Monette](https://appshunter.io/developer/1299469285) |

## What reviewers say

### JEGS Perfect Start

[App page](https://appshunter.io/ios/app/jegs-perfect-start/id379258576)

**Currently charting:** #31 Top Paid · Sports (US App Store)

This app is a reaction time game designed to improve your speed and competitiveness. Test your reflexes by trying to achieve a perfect start or challenge friends to beat your best times. It offers different modes and adjustable settings to simulate various scenarios.

**Highlights:** Reaction time game, Sportsman practice tree, Pro practice tree settings, Adjustable reaction time delay, Challenge friends, Practice perfect starts

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

**In-app purchases:** none

**What reviewers like**

- 👍 Helpful for practice
- 🏁 Simulates drag racing tree
- 💰 Free to use
- 🏎️ Good for racers
- 💡 Useful in staging lanes

**What reviewers complain about**

- 🐛 Inconsistent timing
- 🐛 Predictable patterns
- 🐛 Lack of customization
- 🐛 Outdated app
- 🐛 Poor representation of real tree

**Reported bugs**

- App doesn't work anymore
- Cannot get reaction time
- Stage to start time is always the same
- Tree drops too fast
- Lights are patterned, predictable

**Requested features**

- Add customization options
- Update the app
- Fix the tree timing
- Add delay box option
- Add variation to pro tree


### SGMP

[App page](https://appshunter.io/ios/app/sgmp/id1472954577)

Access real-time drag racing time slips and detailed race data directly on your phone. Enhance your track experience with weather information and automatic density altitude calculations to help tune your engine and strategize for bracket races.

**Highlights:** Real-time time slip data, Detailed race information, Weather station data, Automatic density altitude calculation, Engine tuning assistance, Dial-in calculation for bracket racing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SGMP Sharing Premium | $4.99 | per month |
| Annual Premium Access | $8.99 | per year |


## Frequently asked questions

### Is JEGS Perfect Start free?

JEGS Perfect Start costs $0.99, with no in-app purchases.

### Is SGMP free?

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

### Which has better reviews, JEGS Perfect Start or SGMP?

SGMP is rated higher. JEGS Perfect Start averages 2.8 out of 5 from 34 ratings, while SGMP averages 4.0 from 2 ratings.

### Do JEGS Perfect Start or SGMP have ads?

Neither JEGS Perfect Start nor SGMP shows ads.

### Which is updated more often, JEGS Perfect Start or SGMP?

JEGS Perfect Start ships an update every 22 months, and SGMP every 2 months. Most recently, JEGS Perfect Start was updated on October 26, 2026 and SGMP on October 24, 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.*