# ZerLog vs TNB Filo

The clearest difference is update cadence: ZerLog at every 2 months against TNB Filo's every 19 months. ZerLog also leads on iOS requirement (13.0 vs 16.4). 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.

ZerLog ships an update every 2 months, TNB Filo every 19 months. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ZerLog | TNB Filo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 19 months |
| Size | 20 MB | 39 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Zer A.Ş.](https://appshunter.io/developer/1068536184) | [TNB Mobil Cozumler Anonim Sirketi](https://appshunter.io/developer/1635144355) |

## What reviewers say

### ZerLog

[App page](https://appshunter.io/ios/app/zerlog/id1534711345)

**Features:** macOS Compatibility

**In-app purchases:** none


### TNB Filo

[App page](https://appshunter.io/ios/app/tnb-filo/id6742660212)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZerLog free?

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

### Is TNB Filo free?

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

### Do ZerLog or TNB Filo have ads?

Neither ZerLog nor TNB Filo shows ads.

### Which is updated more often, ZerLog or TNB Filo?

ZerLog ships an update every 2 months, and TNB Filo every 19 months. Most recently, ZerLog was updated on October 6, 2026 and TNB Filo on October 24, 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.*