# PeriSync vs Döngüm

The clearest difference is in-app purchases: PeriSync at none against Döngüm's 2. PeriSync also leads on iOS requirement (14.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Döngüm sells 2 in-app purchases, starting at $2.99 per month. PeriSync asks for nothing beyond the download.

## The numbers

| Metric | PeriSync | Döngüm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 52 MB | 49 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Forhercare Kereskedelmi Korlatolt Felelossegu Tarsasag](https://appshunter.io/developer/1655984087) | [Dursun Dagdelen](https://appshunter.io/developer/6806070125) |

## What reviewers say

### PeriSync

[App page](https://appshunter.io/ios/app/perisync/id6470280585)

**Features:** macOS Compatibility

**In-app purchases:** none


### Döngüm

[App page](https://appshunter.io/ios/app/dongum-regl-takvimi/id6813907457)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Döngüm Pro Monthly | $2.99 | per month |
| Döngüm Pro Annual | $19.99 | per year |


## Frequently asked questions

### Is PeriSync free?

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

### Is Döngüm free?

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

### Do PeriSync or Döngüm have ads?

Neither PeriSync nor Döngüm shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*