# MemoDen vs Verify Calculator

The clearest difference is in-app purchases: MemoDen at none against Verify Calculator's 1. MemoDen also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.4). Verify Calculator's advantage is update cadence (every 5 weeks vs every 14 months). On price and device support there is nothing between them.

Both are free to download. Verify Calculator sells 1 one-off in-app purchase. MemoDen asks for nothing beyond the download.

MemoDen ships an update every 14 months, Verify Calculator every 5 weeks. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MemoDen | Verify Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 15 MB |
| Requires iOS | **11.0** | 15.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SHIGEYUKI TAKAHASHI](https://appshunter.io/developer/437200400) | [hiroshi mizuno](https://appshunter.io/developer/1742325047) |

## 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


### Verify Calculator

[App page](https://appshunter.io/ios/app/verify-calculator/id6499068707)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


## Frequently asked questions

### Is MemoDen free?

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

### Is Verify Calculator free?

Verify Calculator is free to download, with in-app purchases available.

### Do MemoDen or Verify Calculator have ads?

Verify Calculator shows ads; MemoDen does not.

### Which is updated more often, MemoDen or Verify Calculator?

MemoDen ships an update every 14 months, and Verify Calculator every 5 weeks. Most recently, MemoDen was updated on October 20, 2026 and Verify Calculator on October 7, 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.*