# Sand Timer vs Nobl9 Alerts

The clearest difference is rating: Nobl9 Alerts at 5.0 against Sand Timer's 3.8. Nobl9 Alerts also leads on in-app purchases (none vs 4) and ads (none vs shown). Sand Timer's advantage is ratings volume (150 vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sand Timer sells 4 in-app purchases, starting at $0.99 per 7 days. Nobl9 Alerts asks for nothing beyond the download.

Nobl9 Alerts holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Sand Timer has 150 ratings behind it against 1, so its average is the more settled of the two.

Sand Timer ships an update every 8 months, Nobl9 Alerts monthly. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Sand Timer | Nobl9 Alerts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (150 ratings)](https://appshunter.io/ios/app/sand-timer-countdown-clock/id1205335548/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nobl9-alerts/id6739270835/reviews)** |
| Number of ratings | **150** | 1 |
| Positive reviews | 6.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 18 MB | 44 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vicki Partridge](https://appshunter.io/developer/1114861973) | [Nobl9](https://appshunter.io/developer/1784583345) |

## What reviewers say

### Sand Timer

[App page](https://appshunter.io/ios/app/sand-timer-countdown-clock/id1205335548)

This app provides a visually engaging and intuitive way to track time with realistic sand flow animations. It's perfect for various activities like studying, workouts, or cooking, offering customizable themes and sound alerts to keep you on track.

**Highlights:** Realistic sand flow animation, Adjustable timer settings, Multiple timers management, Customizable themes, Sound alerts

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $9.99 | per year |
| Remove Ads | $1.99 | one-time |


### Nobl9 Alerts

[App page](https://appshunter.io/ios/app/nobl9-alerts/id6739270835)

Monitor and manage Service Level Objective (SLO) alerts from anywhere. This native mobile app allows you to browse, filter, and view detailed alert information, including charts and descriptions. Easily silence and resume alert policies directly from your device.

**Highlights:** Browse and filter alerts, View alert details with charts, Deep link from notifications, Silence and resume alert policies, Monitor service health on the go

**In-app purchases:** none


## Frequently asked questions

### Is Sand Timer free?

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

### Is Nobl9 Alerts free?

Nobl9 Alerts is free to download, with no in-app purchases.

### Which has better reviews, Sand Timer or Nobl9 Alerts?

Nobl9 Alerts is rated higher. Sand Timer averages 3.8 out of 5 from 150 ratings, while Nobl9 Alerts averages 5.0 from 1 ratings.

### Do Sand Timer or Nobl9 Alerts have ads?

Sand Timer shows ads; Nobl9 Alerts does not.

### Which is updated more often, Sand Timer or Nobl9 Alerts?

Sand Timer ships an update every 8 months, and Nobl9 Alerts monthly. Most recently, Sand Timer was updated on October 26, 2026 and Nobl9 Alerts on October 22, 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.*