# Reverse Time vs Hjarni Notes

The clearest difference is rating: Hjarni Notes at 5.0 against Reverse Time's 3.7. Hjarni Notes also leads on update cadence (weekly vs every 7 months). Reverse Time's advantage is monetization model (free vs freemium) and ratings volume (3 vs 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.

Hjarni Notes holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Reverse Time ships an update every 7 months, Hjarni Notes weekly. The most recent releases landed on July 20, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Reverse Time | Hjarni Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/reverse-time/id6447112198/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hjarni-notes-ai-memory/id6761733903/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 1 MB | 4 MB |
| Requires iOS | 16.2 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tiny Solutions Group Ltd](https://appshunter.io/developer/1530715818) | [evert van den bruel](https://appshunter.io/developer/1054483967) |

## What reviewers say

### Reverse Time

[App page](https://appshunter.io/ios/app/reverse-time/id6447112198)

This app helps you plan your day efficiently by calculating task start times to meet deadlines. It's designed for individuals with ADHD or anyone seeking better time management, offering instant calculations and an intuitive interface for seamless activity flow.

**Highlights:** Instant time calculations, Customizable scheduling for events and daily routines, Intuitive interface for task prioritization, ADHD-friendly design, Streamlined planning process

**Features:** macOS Compatibility

**In-app purchases:** none


### Hjarni Notes

[App page](https://appshunter.io/ios/app/hjarni-notes-ai-memory/id6761733903)

This app acts as a persistent memory for AI assistants, allowing you to write notes once and have them accessible across different AI models. It organizes information in plain Markdown, supports team collaboration, and lets you control AI instructions.

**Highlights:** Persistent AI memory, Markdown knowledge base, Team collaboration, Customizable AI instructions, Plain text notes, Versioned note history

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

**In-app purchases:** none


## Frequently asked questions

### Is Reverse Time free?

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

### Is Hjarni Notes free?

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

### Which has better reviews, Reverse Time or Hjarni Notes?

Hjarni Notes is rated higher. Reverse Time averages 3.7 out of 5 from 3 ratings, while Hjarni Notes averages 5.0 from 1 ratings.

### Do Reverse Time or Hjarni Notes have ads?

Neither Reverse Time nor Hjarni Notes shows ads.

### Which is updated more often, Reverse Time or Hjarni Notes?

Reverse Time ships an update every 7 months, and Hjarni Notes weekly. Most recently, Reverse Time was updated on July 20, 2026 and Hjarni Notes on September 30, 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.*