# Optiviser Trip vs Kamp Defterim

The clearest difference is in-app purchases: Optiviser Trip at none against Kamp Defterim's 2. Optiviser Trip also leads on iOS requirement (13.0 vs 15.1). Kamp Defterim's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Kamp Defterim sells 2 in-app purchases, starting at $0.99 per month. Optiviser Trip asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 28, 2026.

## The numbers

| Metric | Optiviser Trip | Kamp Defterim |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 35 MB | 31 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 17+ |
| Developer | [OPTIVISER YAPAY ZEKA ARGE TEKNOLOJI VE YAZILIM SANAYI TICARET ANONIM SIRKETI](https://appshunter.io/developer/1845536670) | [Mert Savcin](https://appshunter.io/developer/1876522452) |

## What reviewers say

### Optiviser Trip

[App page](https://appshunter.io/ios/app/optiviser-trip/id6753893275)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kamp Defterim

[App page](https://appshunter.io/ios/app/kamp-defterim/id6759046939)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aylık Premium Abonelik | $0.99 | per month |
| Yıllık Premium Abonelik | $2.99 | per year |


## Frequently asked questions

### Is Optiviser Trip free?

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

### Is Kamp Defterim free?

Kamp Defterim is free to download, with in-app purchases available.

### Do Optiviser Trip or Kamp Defterim have ads?

Optiviser Trip shows ads; Kamp Defterim does not.

### Which is updated more often, Optiviser Trip or Kamp Defterim?

Optiviser Trip ships an update every 3 weeks, and Kamp Defterim every 3 weeks. Most recently, Optiviser Trip was updated on October 28, 2026 and Kamp Defterim on October 28, 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.*