# Overlay One vs Phrase Shelf

The clearest difference is in-app purchases: Overlay One at none against Phrase Shelf's 1. Overlay One also leads on ads (none vs shown). Phrase Shelf's advantage is update cadence (every 2 days vs every 3 weeks) and device support (4 vs 2). On price there is nothing between them.

Both are free to download. Phrase Shelf sells 1 one-off in-app purchase. Overlay One asks for nothing beyond the download.

Overlay One ships an update every 3 weeks, Phrase Shelf every 2 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Overlay One | Phrase Shelf |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 21 MB | 24 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [玉苏甫江 艾西热甫](https://appshunter.io/developer/1085611107) | [hashimoto hiromasa](https://appshunter.io/developer/1896584977) |

## What reviewers say

### Overlay One

[App page](https://appshunter.io/ios/app/overlay-one/id6770309850)

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

**In-app purchases:** none


### Phrase Shelf

[App page](https://appshunter.io/ios/app/phrase-shelf/id6798987595)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Overlay One free?

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

### Is Phrase Shelf free?

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

### Do Overlay One or Phrase Shelf have ads?

Phrase Shelf shows ads; Overlay One does not.

### Which is updated more often, Overlay One or Phrase Shelf?

Overlay One ships an update every 3 weeks, and Phrase Shelf every 2 days. Most recently, Overlay One was updated on October 28, 2026 and Phrase Shelf on October 29, 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.*