# Excel Function Reference vs CPAC Systems

The clearest difference is in-app purchases: CPAC Systems at none against Excel Function Reference's 1. CPAC Systems also leads on update cadence (every 3 days vs every 6 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Excel Function Reference sells 1 one-off in-app purchase. CPAC Systems asks for nothing beyond the download.

Excel Function Reference ships an update every 6 months, CPAC Systems every 3 days. The most recent releases landed on June 11, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Excel Function Reference | CPAC Systems |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/excel-function-reference/id604713781/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 98 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Blue Lemons LLC](https://appshunter.io/developer/1671392743) | [CPAC Systems AB](https://appshunter.io/developer/1715985026) |

## What reviewers say

### Excel Function Reference

[App page](https://appshunter.io/ios/app/excel-function-reference/id604713781)

This app provides a comprehensive guide to Excel functions with step-by-step examples. It features smart search, name search, and concise descriptions for over 400 formulas. Users can easily share formula details and access essential functions for free.

**Highlights:** Smart search for functions, Search by function name and category, Concise formula descriptions, Over 400 formula examples, Email formula details, Feedback system

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro upgrade | $6.99 | one-time |


### CPAC Systems

[App page](https://appshunter.io/ios/app/cpac-systems-see-me/id6471816690)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Excel Function Reference free?

Excel Function Reference is free to download, with in-app purchases available.

### Is CPAC Systems free?

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

### Do Excel Function Reference or CPAC Systems have ads?

Neither Excel Function Reference nor CPAC Systems shows ads.

### Which is updated more often, Excel Function Reference or CPAC Systems?

Excel Function Reference ships an update every 6 months, and CPAC Systems every 3 days. Most recently, Excel Function Reference was updated on June 11, 2026 and CPAC Systems 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.*