# Gravity Math vs FDStreetDrill

The clearest difference is price: FDStreetDrill at Free against Gravity Math's $2.99. Gravity Math's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 26.0). On update cadence, ads and device support there is nothing between them.

FDStreetDrill is free to download; Gravity Math costs $2.99 up front. FDStreetDrill sells 2 in-app purchases, starting at $3.99 per month. Gravity Math asks for nothing beyond the download.

Gravity Math ships an update every 7 months, FDStreetDrill every 6 months. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Gravity Math | FDStreetDrill |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 months** |
| Size | 17 MB | 20 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Malugin](https://appshunter.io/developer/562782409) | [LifeLine EMS Training and Consulting LLC](https://appshunter.io/developer/1862662486) |

## What reviewers say

### Gravity Math

[App page](https://appshunter.io/ios/app/gravity-math/id1453330374)

**Features:** macOS Compatibility

**In-app purchases:** none


### FDStreetDrill

[App page](https://appshunter.io/ios/app/fdstreetdrill/id6756759862)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FDStreetDrill Monthly | $3.99 | per month |
| FDStreetDrill Yearly | $29.99 | per year |


## Frequently asked questions

### Is Gravity Math free?

Gravity Math costs $2.99, with no in-app purchases.

### Is FDStreetDrill free?

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

### Do Gravity Math or FDStreetDrill have ads?

Neither Gravity Math nor FDStreetDrill shows ads.

### Which is updated more often, Gravity Math or FDStreetDrill?

Gravity Math ships an update every 7 months, and FDStreetDrill every 6 months. Most recently, Gravity Math was updated on September 22, 2026 and FDStreetDrill on September 23, 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.*