# Meron Mail vs CogniLog

The clearest difference is update cadence: Meron Mail at every 4 days against CogniLog's every 2 weeks. Meron Mail also leads on iOS requirement (17.0 vs 26.2). 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.

Meron Mail ships an update every 4 days, CogniLog every 2 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Meron Mail | CogniLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cognilog-work-log/id6787191035/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | — | Free |
| Size | 82 MB | 53 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | **iPhone, iPad, Mac** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Nonbili Inc.](https://appshunter.io/developer/1873566499) | [Rivet Rune LLC](https://appshunter.io/developer/1104581884) |

## What reviewers say

### Meron Mail

[App page](https://appshunter.io/ios/app/meron-mail/id6782740236)

**Features:** Vision Pro support

**In-app purchases:** none


### CogniLog

[App page](https://appshunter.io/ios/app/cognilog-work-log/id6787191035)

This app helps you document your work, capturing decisions and reasoning. It allows an AI assistant to read your log and answer questions about your past activities. Entries are plain text with Markdown support, and a visual almanac helps you navigate your history.

**Highlights:** AI-powered work log analysis, Plain text entries with Markdown, Visual almanac for historical navigation, Project-based channels and #tags, Cross-device sync via iCloud, Import from other note-taking apps

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Meron Mail free?

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

### Is CogniLog free?

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

### Do Meron Mail or CogniLog have ads?

Neither Meron Mail nor CogniLog shows ads.

### Which is updated more often, Meron Mail or CogniLog?

Meron Mail ships an update every 4 days, and CogniLog every 2 weeks. Most recently, Meron Mail was updated on October 25, 2026 and CogniLog on October 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.*