# DigitalHourglass vs Fill

The clearest difference is in-app purchases: DigitalHourglass at none against Fill's 3. Fill's advantage is ads (none vs shown) and update cadence (daily vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Fill sells 3 one-off in-app purchases. DigitalHourglass asks for nothing beyond the download.

DigitalHourglass ships an update every 4 months, Fill daily. The most recent releases landed on September 12, 2026 and June 20, 2026 respectively.

## The numbers

| Metric | DigitalHourglass | Fill |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Daily** |
| Size | 5 MB | 26 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Naoki Takahashi](https://appshunter.io/developer/1713880270) | [Cheng Hung Lo](https://appshunter.io/developer/1896510744) |

## What reviewers say

### DigitalHourglass

[App page](https://appshunter.io/ios/app/digitalhourglass/id6642703958)

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

**In-app purchases:** none


### Fill

[App page](https://appshunter.io/ios/app/fill-timer/id6767813234)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Premium Scenes | $1.99 | one-time |
| Bundle Package | $2.99 | one-time |


## Frequently asked questions

### Is DigitalHourglass free?

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

### Is Fill free?

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

### Do DigitalHourglass or Fill have ads?

DigitalHourglass shows ads; Fill does not.

### Which is updated more often, DigitalHourglass or Fill?

DigitalHourglass ships an update every 4 months, and Fill daily. Most recently, DigitalHourglass was updated on September 12, 2026 and Fill on June 20, 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.*