# Depth Estimation vs ReTab

The clearest difference is price: Depth Estimation at Free against ReTab's $1.99. ReTab's advantage is ads (none vs shown) and update cadence (every 5 days vs fortnightly). On in-app purchases there is nothing between them.

Depth Estimation is free to download; ReTab costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Depth Estimation ships an update fortnightly, ReTab every 5 days. The most recent releases landed on September 11, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Depth Estimation | ReTab |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/retab-tab-switch-for-safari/id6736950080/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | — | Paid |
| Size | 84 MB | 1 MB |
| Requires iOS | 17.7.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Lychee Isle Co](https://appshunter.io/developer/1651467135) |

## What reviewers say

### Depth Estimation

[App page](https://appshunter.io/ios/app/depth-estimation/id6511209698)

**Features:** macOS Compatibility

**In-app purchases:** none


### ReTab

[App page](https://appshunter.io/ios/app/retab-tab-switch-for-safari/id6736950080)

Instantly navigate between your most recent Safari tabs with keyboard shortcuts. Quickly cycle through tab history and automatically return to your last active tab when closing one. This lightweight extension enhances productivity without compromising privacy.

**Highlights:** Instant tab switching, Cycle through tab history, Jump back on tab close, Customizable keyboard shortcuts, Lightweight and private, Works with Safari extensions

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Depth Estimation free?

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

### Is ReTab free?

ReTab costs $1.99, with no in-app purchases.

### Do Depth Estimation or ReTab have ads?

Depth Estimation shows ads; ReTab does not.

### Which is updated more often, Depth Estimation or ReTab?

Depth Estimation ships an update fortnightly, and ReTab every 5 days. Most recently, Depth Estimation was updated on September 11, 2026 and ReTab on September 23, 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.*