# Capo Optimizer vs SUS4 Capo Calc

The clearest difference is in-app purchases: Capo Optimizer at none against SUS4 Capo Calc's 3. Capo Optimizer also leads on iOS requirement (14.0 vs 16.0). SUS4 Capo Calc's advantage is device support. On price there is nothing between them.

Both are free to download. SUS4 Capo Calc sells 3 in-app purchases, starting at $0.99 per month. Capo Optimizer asks for nothing beyond the download.

## The numbers

| Metric | Capo Optimizer | SUS4 Capo Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Fortnightly |
| Size | 1 MB | 20 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | — | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Riley Mathews](https://appshunter.io/developer/1534447557) | [ThePaulSmith](https://appshunter.io/developer/319584506) |

## What reviewers say

### Capo Optimizer

[App page](https://appshunter.io/ios/app/capo-optimizer/id1534447555)

**In-app purchases:** none


### SUS4 Capo Calc

[App page](https://appshunter.io/ios/app/sus4-capo-calc/id6777230013)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SUS4 Capo Calc Pro Monthly | $0.99 | per month |
| SUS4 All-Access | $4.99 | per month |
| SUS4 Capo Calc Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Capo Optimizer free?

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

### Is SUS4 Capo Calc free?

SUS4 Capo Calc is free to download, with in-app purchases available.

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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.*