# Presets by Time Engine vs CogniLog

The clearest difference is in-app purchases: CogniLog at none against Presets by Time Engine's 1. Presets by Time Engine's advantage is update cadence (daily vs every 2 weeks) and iOS requirement (16.4 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Presets by Time Engine sells 1 in-app purchase, starting at $6.99 per month. CogniLog asks for nothing beyond the download.

Presets by Time Engine ships an update daily, CogniLog every 2 weeks. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Presets by Time Engine | 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | — | Free |
| Size | 4 MB | 53 MB |
| Requires iOS | **16.4** | 26.2 |
| Devices | iPhone | **iPhone, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [100-8 Studio](https://appshunter.io/developer/1436780503) | [Rivet Rune LLC](https://appshunter.io/developer/1104581884) |

## What reviewers say

### Presets by Time Engine

[App page](https://appshunter.io/ios/app/presets-by-time-engine/id6471368225)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Presets Pro | $6.99 | per month |


### 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 Presets by Time Engine free?

Presets by Time Engine is free to download, with in-app purchases available.

### Is CogniLog free?

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

### Do Presets by Time Engine or CogniLog have ads?

Neither Presets by Time Engine nor CogniLog shows ads.

### Which is updated more often, Presets by Time Engine or CogniLog?

Presets by Time Engine ships an update daily, and CogniLog every 2 weeks. Most recently, Presets by Time Engine was updated on October 27, 2026 and CogniLog on November 5, 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.*