# Zetlog vs E

The clearest difference is in-app purchases: E at none against Zetlog's 8. E also leads on iOS requirement (15.6 vs 17.4). Zetlog's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Zetlog sells 8 in-app purchases, starting at $2.99 per 7 days. E asks for nothing beyond the download.

Zetlog ships an update every 3 weeks, E every 2 months. The most recent releases landed on October 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Zetlog | E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (15 ratings)](https://appshunter.io/ios/app/zetlog-online-tracker/id6445889775/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 15.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 13 MB |
| Requires iOS | 17.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SUPERSKY APPS LIMITED](https://appshunter.io/developer/1625601592) | [Makrokey Yazilim A.S.](https://appshunter.io/developer/1532424089) |

## What reviewers say

### Zetlog

[App page](https://appshunter.io/ios/app/zetlog-online-tracker/id6445889775)

This app allows you to monitor your online activity and track when contacts go online or offline. It functions as an activity monitor for your digital presence. Review the terms and privacy policy for usage details.

**Highlights:** Monitor online activity, Track online status, Track offline status, Activity monitoring, Status tracking

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Weekly 3 | $4.99 | per 7 days |
| Weekly 5 | $6.99 | per 7 days |
| Monthly | $8.99 | per month |
| Monthly 3 | $14.99 | per month |
| Monthly 5 | $19.99 | per month |
| Extra 1 Number | $2.99 | one-time |
| Extra 2 Numbers | $3.99 | one-time |


### E

[App page](https://appshunter.io/ios/app/e-yapp/id6744241814)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zetlog free?

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

### Is E free?

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

### Do Zetlog or E have ads?

Neither Zetlog nor E shows ads.

### Which is updated more often, Zetlog or E?

Zetlog ships an update every 3 weeks, and E every 2 months. Most recently, Zetlog was updated on October 8, 2026 and E on September 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.*