# BICSc CPSS vs One Olympia

The clearest difference is iOS requirement: One Olympia at 13.0 against BICSc CPSS's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | BICSc CPSS | One Olympia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Size | 39 MB | 258 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BRITISH INSTITUTE OF CLEANING SCIENCE LIMITED](https://appshunter.io/developer/1461742654) | [SMART SPACES GLOBAL LTD](https://appshunter.io/developer/1061144275) |

## What reviewers say

### BICSc CPSS

[App page](https://appshunter.io/ios/app/bicsc-cpss/id1461742655)

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

**In-app purchases:** none


### One Olympia

[App page](https://appshunter.io/ios/app/one-olympia/id6478014116)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is BICSc CPSS free?

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

### Is One Olympia free?

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

### Do BICSc CPSS or One Olympia have ads?

Neither BICSc CPSS nor One Olympia shows ads.

### Which is updated more often, BICSc CPSS or One Olympia?

BICSc CPSS ships an update every 4 months, and One Olympia every 4 months. Most recently, BICSc CPSS was updated on October 20, 2026 and One Olympia on October 16, 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.*