# MemoDen vs UrbanAide

The clearest difference is update cadence: UrbanAide at every 2 weeks against MemoDen's every 14 months. MemoDen's advantage is iOS requirement (11.0 vs 16.4). 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.

MemoDen ships an update every 14 months, UrbanAide every 2 weeks. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | MemoDen | UrbanAide |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 51 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SHIGEYUKI TAKAHASHI](https://appshunter.io/developer/437200400) | [UrbanAide](https://appshunter.io/developer/1740879347) |

## What reviewers say

### MemoDen

[App page](https://appshunter.io/ios/app/memoden/id740382762)

This calculator allows you to store up to five numbers (M1-M5) and view their sum in real-time. It includes functions to clear input, remember numbers, and clear all memory. It also offers tax calculation options for prices including or excluding consumption tax.

**Highlights:** Store up to five numbers (M1-M5), Real-time sum display, Clear input function, Remember numbers to memory, Clear all memory, Calculate price with tax, Calculate price without tax

**Features:** macOS Compatibility

**In-app purchases:** none


### UrbanAide

[App page](https://appshunter.io/ios/app/urbanaide/id6496849972)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MemoDen free?

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

### Is UrbanAide free?

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

### Do MemoDen or UrbanAide have ads?

Neither MemoDen nor UrbanAide shows ads.

### Which is updated more often, MemoDen or UrbanAide?

MemoDen ships an update every 14 months, and UrbanAide every 2 weeks. Most recently, MemoDen was updated on October 20, 2026 and UrbanAide on October 27, 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.*