# Memorandum vs Calculator+

The clearest difference is in-app purchases: Calculator+ at none against Memorandum's 7. Calculator+ also leads on ads (none vs shown). Memorandum's advantage is update cadence (every 6 weeks vs every 9 months) and iOS requirement (12.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. Memorandum sells 7 one-off in-app purchases. Calculator+ asks for nothing beyond the download.

Memorandum ships an update every 6 weeks, Calculator+ every 9 months. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Memorandum | Calculator+ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 46.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 5 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bistro ISAKI](https://appshunter.io/developer/541525708) | [n1system ltd.](https://appshunter.io/developer/323684909) |

## What reviewers say

### Memorandum

[App page](https://appshunter.io/ios/app/memorandum-password-manager/id1177268408)

Securely store and manage all your important information, including IDs and passwords, in one place. Access your data with a simple 4-digit PIN and sync across devices using iCloud. Back up your information for peace of mind.

**Highlights:** Store IDs and passwords, 4-digit PIN access, iCloud sync across devices, Data backup and retrieval, Manage various information types

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 17 items use license | $0.99 | one-time |
| 20 items use license | $0.99 | one-time |
| 8 items use license | $1.99 | one-time |
| 11 items use license | $1.99 | one-time |
| 14 items use license | $1.99 | one-time |
| Ad delete license | $3.99 | one-time |
| Ver.1 Pro License | $4.99 | one-time |


### Calculator+

[App page](https://appshunter.io/ios/app/calculator-plus/id1566994328)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Memorandum free?

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

### Is Calculator+ free?

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

### Do Memorandum or Calculator+ have ads?

Memorandum shows ads; Calculator+ does not.

### Which is updated more often, Memorandum or Calculator+?

Memorandum ships an update every 6 weeks, and Calculator+ every 9 months. Most recently, Memorandum was updated on October 24, 2026 and Calculator+ on October 15, 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.*