# Watts Auctions vs Observiply OnCall

The clearest difference is update cadence: Observiply OnCall at every 9 days against Watts Auctions's every 39 months. Watts Auctions's advantage is iOS requirement (13.0 vs 15.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Watts Auctions against 5.0 for Observiply OnCall. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Watts Auctions ships an update every 39 months, Observiply OnCall every 9 days. The most recent releases landed on October 17, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Watts Auctions | Observiply OnCall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/watts-auctions/id1263128554/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/observiply-oncall/id6792301791/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 19 MB | 10 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Watts Auction Realty Appraisals, Inc.](https://appshunter.io/developer/1626297736) | [Brandon Kauffman](https://appshunter.io/developer/6792301793) |

## What reviewers say

### Watts Auctions

[App page](https://appshunter.io/ios/app/watts-auctions/id1263128554)

Stay updated on upcoming auctions, track items of interest, and receive outbid notifications. Bid live from anywhere or set maximum bids for automatic bidding.

**Highlights:** Upcoming auction alerts, Watchlist for items, Outbid notifications, Live bidding, Automatic maximum bidding

**Features:** macOS Compatibility

**In-app purchases:** none


### Observiply OnCall

[App page](https://appshunter.io/ios/app/observiply-oncall/id6792301791)

Manage alerts and paging with this customizable app. Integrate with various systems and use advanced features to ensure rapid resolutions and protect your sleep during planned outages or unexpected issues.

**Highlights:** On-call alert management, Paging system, System integration, Customizable through webhooks, Silence regex for planned outages, Rapid resolutions

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

**In-app purchases:** none


## Frequently asked questions

### Is Watts Auctions free?

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

### Is Observiply OnCall free?

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

### Which has better reviews, Watts Auctions or Observiply OnCall?

Watts Auctions and Observiply OnCall are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Watts Auctions or Observiply OnCall have ads?

Neither Watts Auctions nor Observiply OnCall shows ads.

### Which is updated more often, Watts Auctions or Observiply OnCall?

Watts Auctions ships an update every 39 months, and Observiply OnCall every 9 days. Most recently, Watts Auctions was updated on October 17, 2026 and Observiply OnCall on October 21, 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.*