# İsterlin vs Paycyl

The clearest difference is update cadence: İsterlin at every 2 weeks against Paycyl's monthly. İsterlin also leads on iOS requirement (12.0 vs 15.1). 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.

İsterlin ships an update every 2 weeks, Paycyl monthly. The most recent releases landed on September 11, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | İsterlin | Paycyl |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 189 MB | 41 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Black Point](https://appshunter.io/developer/1817222445) | [Halil Kucukdogru](https://appshunter.io/developer/1888747426) |

## What reviewers say

### İsterlin

[App page](https://appshunter.io/ios/app/isterlin/id6746509209)

**Features:** macOS Compatibility

**In-app purchases:** none


### Paycyl

[App page](https://appshunter.io/ios/app/paycyl-subscriptions-and-bills/id6761298585)

**In-app purchases:** none


## Frequently asked questions

### Is İsterlin free?

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

### Is Paycyl free?

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

### Do İsterlin or Paycyl have ads?

Neither İsterlin nor Paycyl shows ads.

### Which is updated more often, İsterlin or Paycyl?

İsterlin ships an update every 2 weeks, and Paycyl monthly. Most recently, İsterlin was updated on September 11, 2026 and Paycyl on September 17, 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.*