# Flexcon Water Tank Sizing App vs Grid Zero

The clearest difference is update cadence: Flexcon Water Tank Sizing App at daily against Grid Zero's every 5 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Flexcon Water Tank Sizing App ships an update daily, Grid Zero every 5 days. The most recent releases landed on September 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Flexcon Water Tank Sizing App | Grid Zero |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Size | 9 MB | 55 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Flexcon Industries](https://appshunter.io/developer/1801895162) | [Gridzero](https://appshunter.io/developer/1896484252) |

## What reviewers say

### Flexcon Water Tank Sizing App

[App page](https://appshunter.io/ios/app/flexcon-water-tank-sizing-app/id6743196195)

**Features:** macOS Compatibility

**In-app purchases:** none


### Grid Zero

[App page](https://appshunter.io/ios/app/grid-zero/id6767530347)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flexcon Water Tank Sizing App free?

Flexcon Water Tank Sizing App is free to download, with no in-app purchases.

### Is Grid Zero free?

Grid Zero is free to download, with no in-app purchases.

### Do Flexcon Water Tank Sizing App or Grid Zero have ads?

Neither Flexcon Water Tank Sizing App nor Grid Zero shows ads.

### Which is updated more often, Flexcon Water Tank Sizing App or Grid Zero?

Flexcon Water Tank Sizing App ships an update daily, and Grid Zero every 5 days. Most recently, Flexcon Water Tank Sizing App was updated on September 18, 2026 and Grid Zero on September 24, 2026.

---

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