# Panic Button U vs a memo to self

The clearest difference is update cadence: Panic Button U at every 8 days against a memo to self's every 4 months. Panic Button U also leads on iOS requirement (12.1 vs 18.2). 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.

Panic Button U ships an update every 8 days, a memo to self every 4 months. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Panic Button U | a memo to self |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/a-memo-to-self/id6742367411/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 4 months |
| Monetization | — | Free |
| Size | 58 MB | 10 MB |
| Requires iOS | **12.1** | 18.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ULTIMA Enterprise Doo](https://appshunter.io/developer/448167316) | [Yi Yan Tay](https://appshunter.io/developer/1798033391) |

## What reviewers say

### Panic Button U

[App page](https://appshunter.io/ios/app/panic-button-u/id1481809899)

**Features:** macOS Compatibility

**In-app purchases:** none


### a memo to self

[App page](https://appshunter.io/ios/app/a-memo-to-self/id6742367411)

Display essential rules, reminders, and life principles directly on your home screen. Keep your most important thoughts visible and accessible at a glance.

**Highlights:** Home screen widgets, Display rules and reminders, Keep important thoughts visible, Customizable text widgets

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

**In-app purchases:** none


## Frequently asked questions

### Is Panic Button U free?

Panic Button U is free to download, with no in-app purchases.

### Is a memo to self free?

a memo to self is free to download, with no in-app purchases.

### Do Panic Button U or a memo to self have ads?

Neither Panic Button U nor a memo to self shows ads.

### Which is updated more often, Panic Button U or a memo to self?

Panic Button U ships an update every 8 days, and a memo to self every 4 months. Most recently, Panic Button U was updated on September 20, 2026 and a memo to self on September 10, 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.*