# Defter vs Exairon

The clearest difference is update cadence: Exairon at every 6 weeks against Defter's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Defter ships an update every 5 months, Exairon every 6 weeks. Both last shipped on September 28, 2026.

## The numbers

| Metric | Defter | Exairon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/exairon/id6444183276/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 42 MB | 32 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hakan Olgun](https://appshunter.io/developer/1665654762) | [Exairon Yazilim A.S.](https://appshunter.io/developer/1652860018) |

## What reviewers say

### Defter

[App page](https://appshunter.io/ios/app/defter-simple-notes/id1662311843)

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

**In-app purchases:** none


### Exairon

[App page](https://appshunter.io/ios/app/exairon/id6444183276)

This application enhances customer engagement by enabling seamless communication and connection with clients from any location. It empowers operators to interact with customers effectively, ensuring they remain accessible and responsive at all times.

**Highlights:** Customer connection, Operator engagement, Anytime, anywhere access, Improved customer service

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Defter free?

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

### Is Exairon free?

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

### Do Defter or Exairon have ads?

Neither Defter nor Exairon shows ads.

### Which is updated more often, Defter or Exairon?

Defter ships an update every 5 months, and Exairon every 6 weeks. Most recently, Defter was updated on September 28, 2026 and Exairon on September 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.*