# SGMP vs HowFast

The clearest difference is review sentiment: HowFast at 100% against SGMP's 0%. HowFast also leads on rating (5.0 vs 4.0) and update cadence (every 3 weeks vs every 2 months). SGMP's advantage is ads (none vs shown) and iOS requirement (15.6 vs 26.2). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. SGMP sells 2 in-app purchases, starting at $4.99 per month and HowFast sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

HowFast holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 0% of SGMP's written reviews are positive against 100% of HowFast's.

SGMP ships an update every 2 months, HowFast every 3 weeks. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | SGMP | HowFast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/sgmp/id1472954577/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/howfast-drag-race-predictor/id6762416113/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 17 MB | 15 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 12+ |
| Developer | [Stephan Monette](https://appshunter.io/developer/1299469285) | [DtimesTwo Technologies LLC](https://appshunter.io/developer/1894087614) |

## What reviewers say

### 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 |


### HowFast

[App page](https://appshunter.io/ios/app/howfast-drag-race-predictor/id6762416113)

Predict your drag race elapsed times with real vehicle specs and atmospheric conditions. The app learns from your runs to improve accuracy and logs every pass for detailed analysis. Upgrade for advanced features like OBD-II connectivity and multi-run comparisons.

**Highlights:** Elapsed time prediction, Real-time density altitude correction, Automatic run detection, Run history logbook, Export to DynoLog, OBD-II connectivity (Pro), Multi-run comparison (Pro)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HowFast Pro | $7.99 | one-time |


## Frequently asked questions

### Is SGMP free?

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

### Is HowFast free?

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

### Which has better reviews, SGMP or HowFast?

HowFast is rated higher. SGMP averages 4.0 out of 5 from 2 ratings, while HowFast averages 5.0 from 3 ratings.

### Do SGMP or HowFast have ads?

HowFast shows ads; SGMP does not.

### Which is updated more often, SGMP or HowFast?

SGMP ships an update every 2 months, and HowFast every 3 weeks. Most recently, SGMP was updated on October 10, 2026 and HowFast on October 12, 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.*