# Function Calc vs Count Up Down Timer

The clearest difference is ads: Function Calc at none against Count Up Down Timer's shown. On price, update cadence, 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.

Function Calc ships an update monthly, Count Up Down Timer every 3 weeks. Both last shipped on September 23, 2026.

## The numbers

| Metric | Function Calc | Count Up Down Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/function-calc/id1188227053/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 9 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Hugh Pelham](https://appshunter.io/developer/1188227052) | [Satoshi Yamakawa](https://appshunter.io/developer/1864114622) |

## What reviewers say

### Function Calc

[App page](https://appshunter.io/ios/app/function-calc/id1188227053)

This app offers a powerful, programmable scientific calculator with graphing capabilities. It allows users to create custom functions, store equations, and perform complex calculations with ease. The interface features a visible tape display and supports dictation for statistical analysis.

**Highlights:** Programmable custom functions, Graphing capabilities, Tape display with edit/undo, Unit conversions (120+), Dictate calculations, Export graphs (PDF, PNG)

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

**In-app purchases:** none


### Count Up Down Timer

[App page](https://appshunter.io/ios/app/count-up-down-timer/id6756993156)

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

**In-app purchases:** none


## Frequently asked questions

### Is Function Calc free?

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

### Is Count Up Down Timer free?

Count Up Down Timer is free to download, with no in-app purchases.

### Do Function Calc or Count Up Down Timer have ads?

Count Up Down Timer shows ads; Function Calc does not.

### Which is updated more often, Function Calc or Count Up Down Timer?

Function Calc ships an update monthly, and Count Up Down Timer every 3 weeks. Most recently, Function Calc was updated on September 23, 2026 and Count Up Down Timer on September 23, 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.*