# FusionCalc Pro | Memo & Calc vs OnStage Timer Pro

The clearest difference is price: OnStage Timer Pro at Free against FusionCalc Pro | Memo & Calc's $4.99. OnStage Timer Pro also leads on update cadence (every 2 weeks vs every 3 months). FusionCalc Pro | Memo & Calc's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 17.0). On rating, ratings volume, ads and device support there is nothing between them.

OnStage Timer Pro is free to download; FusionCalc Pro | Memo & Calc costs $4.99 up front. OnStage Timer Pro sells 1 in-app purchase, starting at $14.99 per year. FusionCalc Pro | Memo & Calc asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for FusionCalc Pro | Memo & Calc against 5.0 for OnStage Timer Pro. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

FusionCalc Pro | Memo & Calc ships an update every 3 months, OnStage Timer Pro every 2 weeks. The most recent releases landed on October 22, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | FusionCalc Pro | Memo & Calc | OnStage Timer Pro |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/fusioncalc-pro-memo-and-calc/id372731237/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/onstage-timer-pro/id6755630146/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 61.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Paid | **Freemium** |
| Size | 14 MB | 10 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Leo Rivas-Micoud](https://appshunter.io/developer/302776955) | [Andy Arevalo](https://appshunter.io/developer/1853674132) |

## What reviewers say

### FusionCalc Pro | Memo & Calc

[App page](https://appshunter.io/ios/app/fusioncalc-pro-memo-and-calc/id372731237)

This calculator app allows you to save numbers as sticky notes for easy reuse in future calculations. It offers basic arithmetic, percentage functions, and a dark mode, all while working offline.

**Highlights:** Save numbers as reusable memos, Drag and drop memo functionality, Basic calculator operations, Percentage calculations, Offline functionality, Dark mode

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

**In-app purchases:** none


### OnStage Timer Pro

[App page](https://appshunter.io/ios/app/onstage-timer-pro/id6755630146)

This app provides a professional countdown timer for speakers and presenters, featuring large, readable displays with smart color cues. It includes templates for various speech types, rehearsal tools with delivery scores, and external display options.

**Highlights:** Large, readable countdown display, Smart stage color cues (green, yellow, red), Ready-to-use templates for various speeches, Rehearsal and speech coaching with delivery score, Podium mode for landscape viewing, Apple Watch and Live Activities integration, External display support

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OnStage Timer Pro | $14.99 | per year |


## Frequently asked questions

### Is FusionCalc Pro | Memo & Calc free?

FusionCalc Pro | Memo & Calc costs $4.99, with no in-app purchases.

### Is OnStage Timer Pro free?

OnStage Timer Pro is free to download, with in-app purchases available.

### Which has better reviews, FusionCalc Pro | Memo & Calc or OnStage Timer Pro?

FusionCalc Pro | Memo & Calc and OnStage Timer Pro are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do FusionCalc Pro | Memo & Calc or OnStage Timer Pro have ads?

Neither FusionCalc Pro | Memo & Calc nor OnStage Timer Pro shows ads.

### Which is updated more often, FusionCalc Pro | Memo & Calc or OnStage Timer Pro?

FusionCalc Pro | Memo & Calc ships an update every 3 months, and OnStage Timer Pro every 2 weeks. Most recently, FusionCalc Pro | Memo & Calc was updated on October 22, 2026 and OnStage Timer Pro on October 8, 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.*