# Prev app vs HABIT GHOST

The clearest difference is ads: Prev app at none against HABIT GHOST's shown. HABIT GHOST's advantage is update cadence (every 8 days vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Prev app ships an update every 7 months, HABIT GHOST every 8 days. The most recent releases landed on September 28, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Prev app | HABIT GHOST |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 8 days** |
| Size | 26 MB | 65 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHINY A LLC](https://appshunter.io/developer/1506297410) | [Yusuke Mori](https://appshunter.io/developer/1262722270) |

## What reviewers say

### Prev app

[App page](https://appshunter.io/ios/app/prev-app/id1506297411)

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

**In-app purchases:** none


### HABIT GHOST

[App page](https://appshunter.io/ios/app/habit-ghost/id6630367791)

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

**In-app purchases:** none


## Frequently asked questions

### Is Prev app free?

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

### Is HABIT GHOST free?

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

### Do Prev app or HABIT GHOST have ads?

HABIT GHOST shows ads; Prev app does not.

### Which is updated more often, Prev app or HABIT GHOST?

Prev app ships an update every 7 months, and HABIT GHOST every 8 days. Most recently, Prev app was updated on September 28, 2026 and HABIT GHOST on October 3, 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.*