# IUSA Water vs Permit

The clearest difference is in-app purchases: IUSA Water at none against Permit's 1. IUSA Water also leads on iOS requirement (15.5 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Permit sells 1 one-off in-app purchase. IUSA Water asks for nothing beyond the download.

IUSA Water ships an update every 5 weeks, Permit monthly. The most recent releases landed on October 21, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | IUSA Water | Permit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.3 (22 ratings)](https://appshunter.io/ios/app/iusa-water/id1490499930/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 11 MB | 21 MB |
| Requires iOS | **15.5** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Grupo Iusa, S.A. de C.V.](https://appshunter.io/developer/1101957848) | [Bo Zhao](https://appshunter.io/developer/1823102639) |

## What reviewers say

### IUSA Water

[App page](https://appshunter.io/ios/app/iusa-water/id1490499930)

Manage your water service payments and monitor usage with a smart meter. This utility app allows for convenient bill payment directly through your device.

**Highlights:** Pay water service bills, Utilize IUSA smart meter, Monitor water usage, Convenient payment options

**In-app purchases:** none


### Permit

[App page](https://appshunter.io/ios/app/permit-pilot/id6760631045)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full History | $3.99 | one-time |


## Frequently asked questions

### Is IUSA Water free?

IUSA Water is free to download, with no in-app purchases.

### Is Permit free?

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

### Do IUSA Water or Permit have ads?

Neither IUSA Water nor Permit shows ads.

### Which is updated more often, IUSA Water or Permit?

IUSA Water ships an update every 5 weeks, and Permit monthly. Most recently, IUSA Water was updated on October 21, 2026 and Permit on October 22, 2026.

---

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