# FusionCalc | Memo & Calculator vs Leaf.

The clearest difference is ads: Leaf. at none against FusionCalc | Memo & Calculator's shown. Leaf. also leads on update cadence (every 4 days vs every 3 months). FusionCalc | Memo & Calculator's advantage is iOS requirement (12.0 vs 16.6). On price, 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.

FusionCalc | Memo & Calculator ships an update every 3 months, Leaf. every 4 days. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FusionCalc | Memo & Calculator | Leaf. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/fusioncalc-memo-and-calculator/id383549067/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.8% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 23 MB | 49 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Leo Rivas-Micoud](https://appshunter.io/developer/302776955) | [Paul Demangeat](https://appshunter.io/developer/1741825134) |

## What reviewers say

### FusionCalc | Memo & Calculator

[App page](https://appshunter.io/ios/app/fusioncalc-memo-and-calculator/id383549067)

This utility app combines a calculator with sticky notes, allowing users to easily save, recall, and reuse numbers for calculations. It offers one-touch summation and a drag-and-drop interface for managing on-screen figures.

**Highlights:** Drag & Drop Numbers, Recall & Reuse Calculations, One-Touch Summation, Integrated Sticky Notes, Free Version Available

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

**In-app purchases:** none


### Leaf.

[App page](https://appshunter.io/ios/app/leaf/id6740829690)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FusionCalc | Memo & Calculator free?

FusionCalc | Memo & Calculator is free to download, with no in-app purchases.

### Is Leaf. free?

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

### Do FusionCalc | Memo & Calculator or Leaf. have ads?

FusionCalc | Memo & Calculator shows ads; Leaf. does not.

### Which is updated more often, FusionCalc | Memo & Calculator or Leaf.?

FusionCalc | Memo & Calculator ships an update every 3 months, and Leaf. every 4 days. Most recently, FusionCalc | Memo & Calculator was updated on October 23, 2026 and Leaf. on October 25, 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.*