# CloudLabs Exponential Function vs SBB Exam Prep 2025

The clearest difference is in-app purchases: CloudLabs Exponential Function at none against SBB Exam Prep 2025's 9. CloudLabs Exponential Function also leads on iOS requirement (9.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. SBB Exam Prep 2025 sells 9 in-app purchases, starting at $12.99 per 7 days. CloudLabs Exponential Function asks for nothing beyond the download.

## The numbers

| Metric | CloudLabs Exponential Function | SBB Exam Prep 2025 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 102 MB | 39 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [Exam Prep OU](https://appshunter.io/developer/1689642184) |

## What reviewers say

### CloudLabs Exponential Function

[App page](https://appshunter.io/ios/app/cloudlabs-exponential-function/id1637979138)

**Features:** macOS Compatibility

**In-app purchases:** none


### SBB Exam Prep 2025

[App page](https://appshunter.io/ios/app/sbb-exam-prep-2025/id6752019642)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SBB Weekly Full Access | $12.99 | per 7 days |
| SBB Monthly Full Access | $29.99 | per month |
| SBB Monthly Full Access | $29.99 | per month |
| SBB Quarterly Full Access | $64.99 | per 3 months |
| SBB Quarterly Full Access | $64.99 | per 3 months |
| SBB Semiannual Full Access | $114.99 | per 6 months |
| SBB Semiannual Full Access | $114.99 | per 6 months |
| SBB Annual Full Access | $179.99 | per year |
| SBB Annual Full Access | $179.99 | per year |


## Frequently asked questions

### Is CloudLabs Exponential Function free?

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

### Is SBB Exam Prep 2025 free?

SBB Exam Prep 2025 is free to download, with in-app purchases available.

### Do CloudLabs Exponential Function or SBB Exam Prep 2025 have ads?

Neither CloudLabs Exponential Function nor SBB Exam Prep 2025 shows ads.

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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.*