# Hourglass vs Sablio

The clearest difference is in-app purchases: Hourglass at none against Sablio's 10. Hourglass also leads on update cadence (every 4 days vs every 9 days). Sablio's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sablio sells 10 one-off in-app purchases. Hourglass asks for nothing beyond the download.

Hourglass ships an update every 4 days, Sablio every 9 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Hourglass | Sablio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 9 days |
| Size | 27 MB | 8 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [kenji abe](https://appshunter.io/developer/1461779902) | [GIFTO](https://appshunter.io/developer/6804274238) |

## What reviewers say

### Hourglass

[App page](https://appshunter.io/ios/app/hourglass-physics-simulation/id6670490622)

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

**In-app purchases:** none


### Sablio

[App page](https://appshunter.io/ios/app/sablio-hourglass-timer/id6816785247)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dragon incense | $1.49 | one-time |
| Candle | $1.49 | one-time |
| Nixie | $1.49 | one-time |
| Sundial | $1.49 | one-time |
| Orbit | $1.49 | one-time |
| Ghati | $1.49 | one-time |
| Pulpit glass | $1.49 | one-time |
| Marble run | $1.49 | one-time |
| Bloom | $1.49 | one-time |
| Analog clock | $1.49 | one-time |


## Frequently asked questions

### Is Hourglass free?

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

### Is Sablio free?

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

### Do Hourglass or Sablio have ads?

Hourglass shows ads; Sablio does not.

### Which is updated more often, Hourglass or Sablio?

Hourglass ships an update every 4 days, and Sablio every 9 days. Most recently, Hourglass was updated on November 4, 2026 and Sablio on October 31, 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.*