# Memory Knots vs Simon Plug&Drive

The clearest difference is price: Simon Plug&Drive at Free against Memory Knots's $0.99. Simon Plug&Drive also leads on update cadence (every 2 months vs every 23 months) and iOS requirement (15.6 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Simon Plug&Drive is free to download; Memory Knots costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Memory Knots ships an update every 23 months, Simon Plug&Drive every 2 months. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Memory Knots | Simon Plug&Drive |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.4 (9 ratings)](https://appshunter.io/ios/app/memory-knots/id1595137169/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 3 MB | 63 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Golmium](https://appshunter.io/developer/887238485) | [Simon](https://appshunter.io/developer/531284305) |

## What reviewers say

### Memory Knots

[App page](https://appshunter.io/ios/app/memory-knots/id1595137169)

Enhance your recall with color-coded reminders that are always accessible. This tool is ideal for managing multiple tasks, from academic schedules to daily errands, ensuring you stay organized and on track.

**Highlights:** Color-coded memory hints, Intuitive reminder system, Task management for busy individuals, Watch face complications for quick access, Instant app access from watch face

**Features:** Apple Watch app

**In-app purchases:** none


### Simon Plug&Drive

[App page](https://appshunter.io/ios/app/simon-plug-and-drive/id1633641300)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Memory Knots free?

Memory Knots costs $0.99, with no in-app purchases.

### Is Simon Plug&Drive free?

Simon Plug&Drive is free to download, with no in-app purchases.

### Do Memory Knots or Simon Plug&Drive have ads?

Neither Memory Knots nor Simon Plug&Drive shows ads.

### Which is updated more often, Memory Knots or Simon Plug&Drive?

Memory Knots ships an update every 23 months, and Simon Plug&Drive every 2 months. Most recently, Memory Knots was updated on September 24, 2026 and Simon Plug&Drive on September 18, 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.*