# AYD vs XmartLocks OTC

The clearest difference is update cadence: AYD at monthly against XmartLocks OTC's every 3 months. 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.

AYD ships an update monthly, XmartLocks OTC every 3 months. The most recent releases landed on October 21, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | AYD | XmartLocks OTC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (235 ratings)](https://appshunter.io/ios/app/ayd/id1550840242/reviews)** | — |
| Number of ratings | **235** | — |
| Positive reviews | 1.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | — |
| Size | 31 MB | 38 MB |
| Requires iOS | 15.0 | **14.0.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Servicios de Agua y Drenaje de Monterrey, I.P.D.](https://appshunter.io/developer/1550840244) | [Cajas Fuertes Bull Safe S.A. de C.V.](https://appshunter.io/developer/1712900746) |

## What reviewers say

### AYD

[App page](https://appshunter.io/ios/app/ayd/id1550840242)

This app allows users to easily pay their water bills and report water leaks. It streamlines essential utility management for residents.

**Highlights:** Pay water bills, Report water leaks, Manage utility services, Submit reports

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

**In-app purchases:** none


### XmartLocks OTC

[App page](https://appshunter.io/ios/app/xmartlocks-otc/id6470041182)

**In-app purchases:** none


## Frequently asked questions

### Is AYD free?

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

### Is XmartLocks OTC free?

XmartLocks OTC is free to download, with no in-app purchases.

### Do AYD or XmartLocks OTC have ads?

Neither AYD nor XmartLocks OTC shows ads.

### Which is updated more often, AYD or XmartLocks OTC?

AYD ships an update monthly, and XmartLocks OTC every 3 months. Most recently, AYD was updated on October 21, 2026 and XmartLocks OTC on October 9, 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.*