# Sewer Pipe Calculator vs FireSprinkPro

Sewer Pipe Calculator and FireSprinkPro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Sewer Pipe Calculator sells 3 one-off in-app purchases and FireSprinkPro sells 2 in-app purchases, starting at $17.49 per month. Whichever you choose, the download price is not the number that matters.

Sewer Pipe Calculator ships an update every 10 days, FireSprinkPro weekly. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Sewer Pipe Calculator | FireSprinkPro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Size | 31 MB | 21 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Transparent Blue Water LLC](https://appshunter.io/developer/1847968351) | [Michael Fritz](https://appshunter.io/developer/6792256062) |

## What reviewers say

### Sewer Pipe Calculator

[App page](https://appshunter.io/ios/app/sewer-pipe-calculator/id6758410223)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SewerCalc Pro | $2.99 | one-time |
| Structures Pack | $3.99 | one-time |
| Sewer Designer | $7.99 | one-time |


### FireSprinkPro

[App page](https://appshunter.io/ios/app/firesprinkpro/id6792256060)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FireSprinkPro Monthly | $17.49 | per month |
| FireSprinkPro Lifetime License | $175.99 | one-time |


## Frequently asked questions

### Is Sewer Pipe Calculator free?

Sewer Pipe Calculator is free to download, with in-app purchases available.

### Is FireSprinkPro free?

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

### Do Sewer Pipe Calculator or FireSprinkPro have ads?

Neither Sewer Pipe Calculator nor FireSprinkPro shows ads.

### Which is updated more often, Sewer Pipe Calculator or FireSprinkPro?

Sewer Pipe Calculator ships an update every 10 days, and FireSprinkPro weekly. Most recently, Sewer Pipe Calculator was updated on November 5, 2026 and FireSprinkPro on November 10, 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.*