# IES vs CCF Timer/Calculator

The clearest difference is price: IES at Free against CCF Timer/Calculator's $2.99. IES also leads on iOS requirement (12.0 vs 15.1). CCF Timer/Calculator's advantage is chart position (#189 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.

IES is free to download; CCF Timer/Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | IES | CCF Timer/Calculator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Best chart rank | — | **#189** |
| Size | 521 MB | 40 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [NTT DATA Business Solutions AG (Schweiz)](https://appshunter.io/developer/1465568823) | [Alex Smith](https://appshunter.io/developer/1894683967) |

## What reviewers say

### IES

[App page](https://appshunter.io/ios/app/ies/id1465568824)

**Features:** macOS Compatibility

**In-app purchases:** none


### CCF Timer/Calculator

[App page](https://appshunter.io/ios/app/ccf-timercalculator/id6762562271)

**Currently charting:** #189 Top Paid · Medical (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is IES free?

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

### Is CCF Timer/Calculator free?

CCF Timer/Calculator costs $2.99, with no in-app purchases.

### Do IES or CCF Timer/Calculator have ads?

Neither IES nor CCF Timer/Calculator shows ads.

### Which is updated more often, IES or CCF Timer/Calculator?

IES ships an update every 2 months, and CCF Timer/Calculator every 2 months. Most recently, IES was updated on September 29, 2026 and CCF Timer/Calculator on October 6, 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.*