# Sandglass3 vs Glow Timer

The clearest difference is in-app purchases: Sandglass3 at none against Glow Timer's 1. Sandglass3 also leads on iOS requirement (9.0 vs 17.0). Glow Timer's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 8 months). On price and device support there is nothing between them.

Both are free to download. Glow Timer sells 1 one-off in-app purchase. Sandglass3 asks for nothing beyond the download.

Sandglass3 ships an update every 8 months, Glow Timer every 6 weeks. The most recent releases landed on September 16, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Sandglass3 | Glow Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (11 ratings)](https://appshunter.io/ios/app/sandglass3/id386488183/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 43.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Monetization | Ad-supported | — |
| Size | 43 MB | 1 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Keietsu Yasuhara](https://appshunter.io/developer/378538320) | [Kazuma Takahashi](https://appshunter.io/developer/1870418340) |

## What reviewers say

### Sandglass3

[App page](https://appshunter.io/ios/app/sandglass3/id386488183)

This app simulates a realistic hourglass with customizable timer durations. Users can flip the hourglass by swiping or rotating their device. It offers optional sound alerts and automatic rotation upon completion.

**Highlights:** Realistic hourglass simulation, 1, 3, and 6-minute timers, Swipe to flip hourglass, Rotate device to flip, Chime alert on completion, Automatic rotation option

**Features:** macOS Compatibility

**In-app purchases:** none


### Glow Timer

[App page](https://appshunter.io/ios/app/glow-timer/id6758038018)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Mode | $3.99 | one-time |


## Frequently asked questions

### Is Sandglass3 free?

Sandglass3 is free to download, with no in-app purchases.

### Is Glow Timer free?

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

### Do Sandglass3 or Glow Timer have ads?

Sandglass3 shows ads; Glow Timer does not.

### Which is updated more often, Sandglass3 or Glow Timer?

Sandglass3 ships an update every 8 months, and Glow Timer every 6 weeks. Most recently, Sandglass3 was updated on September 16, 2026 and Glow Timer on September 13, 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.*