# Zeitfenster vs smart.werth

The clearest difference is iOS requirement: Zeitfenster at 10.0 against smart.werth's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Zeitfenster ships an update every 4 months, smart.werth every 2 months. The most recent releases landed on September 27, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Zeitfenster | smart.werth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zeitfenster/id609025769/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 60 MB | 363 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zeitfenster](https://appshunter.io/developer/813798809) | [twinc GmbH](https://appshunter.io/developer/1454236285) |

## What reviewers say

### Zeitfenster

[App page](https://appshunter.io/ios/app/zeitfenster/id609025769)

Experience history in your city with augmented reality historical photos and audio guides. See the past merge with the present at original locations, creating a unique perspective on your surroundings. Save and share your historical moments.

**Highlights:** Augmented reality historical photos, Audio guides and stories, Location-based historical experiences, Time-travel slider, Save and share historical snapshots, Collectable stamps

**Features:** macOS Compatibility

**In-app purchases:** none


### smart.werth

[App page](https://appshunter.io/ios/app/smartwerth/id1672568262)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zeitfenster free?

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

### Is smart.werth free?

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

### Do Zeitfenster or smart.werth have ads?

Neither Zeitfenster nor smart.werth shows ads.

### Which is updated more often, Zeitfenster or smart.werth?

Zeitfenster ships an update every 4 months, and smart.werth every 2 months. Most recently, Zeitfenster was updated on September 27, 2026 and smart.werth on October 11, 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.*