# CalcSpeed vs memomer

The clearest difference is in-app purchases: CalcSpeed at none against memomer's 1. memomer's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. memomer sells 1 one-off in-app purchase. CalcSpeed asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CalcSpeed | memomer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 days | Every 3 days |
| Size | 17 MB | 48 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [株式会社GalleryApp](https://appshunter.io/developer/1799338721) | [Bouzer LLC](https://appshunter.io/developer/1809286489) |

## What reviewers say

### CalcSpeed

[App page](https://appshunter.io/ios/app/calcspeed-easy-calculator/id6742673257)

**Features:** macOS Compatibility

**In-app purchases:** none


### memomer

[App page](https://appshunter.io/ios/app/memomer-tree-notes-plus/id6774661729)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads & Unlock Limits | $5.99 | one-time |


## Frequently asked questions

### Is CalcSpeed free?

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

### Is memomer free?

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

### Do CalcSpeed or memomer have ads?

Both CalcSpeed and memomer show ads.

### Which is updated more often, CalcSpeed or memomer?

CalcSpeed ships an update every 3 days, and memomer every 3 days. Most recently, CalcSpeed was updated on October 13, 2026 and memomer on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*