# SkyDoorPhone vs See through Clock

The clearest difference is ads: SkyDoorPhone at none against See through Clock's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

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

SkyDoorPhone ships an update every 3 weeks, See through Clock fortnightly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | SkyDoorPhone | See through Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 17 MB | 35 MB |
| Requires iOS | 16.0 | **15.8.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GINGER DESIGN STUDIO, K.K.](https://appshunter.io/developer/1641225823) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### SkyDoorPhone

[App page](https://appshunter.io/ios/app/skydoorphone/id1669411822)

**Features:** macOS Compatibility

**In-app purchases:** none


### See through Clock

[App page](https://appshunter.io/ios/app/see-through-clock/id6737430785)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SkyDoorPhone free?

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

### Is See through Clock free?

See through Clock is free to download, with no in-app purchases.

### Do SkyDoorPhone or See through Clock have ads?

See through Clock shows ads; SkyDoorPhone does not.

### Which is updated more often, SkyDoorPhone or See through Clock?

SkyDoorPhone ships an update every 3 weeks, and See through Clock fortnightly. Most recently, SkyDoorPhone was updated on November 3, 2026 and See through Clock on November 4, 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.*