# Summon [Lab11] vs Cent

The clearest difference is in-app purchases: Summon [Lab11] at none against Cent's 3. Summon [Lab11] also leads on iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Cent sells 3 one-off in-app purchases. Summon [Lab11] asks for nothing beyond the download.

## The numbers

| Metric | Summon [Lab11] | Cent |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | — | Free with in-app purchases |
| Size | 18 MB | 6 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [Thomas Zachariah](https://appshunter.io/developer/1051205681) | [Loop Apps LTDA](https://appshunter.io/developer/1352747115) |

## What reviewers say

### Summon [Lab11]

[App page](https://appshunter.io/ios/app/summon-lab11/id1051205682)

**In-app purchases:** none


### Cent

[App page](https://appshunter.io/ios/app/cent-percentage-calculator/id1590545985)

This utility app provides instant answers to common percentage calculation questions. It handles various scenarios, from finding a percentage of a number to calculating increases, decreases, and original values after a percentage change.

**Highlights:** Calculate X% of Y, Find percentage difference, Calculate percentage increase/decrease, Determine original value, Instant calculation results

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coffee | $0.99 | one-time |
| Medium Coffee | $1.99 | one-time |
| Large Coffee | $2.99 | one-time |


## Frequently asked questions

### Is Summon [Lab11] free?

Summon [Lab11] is free to download, with no in-app purchases.

### Is Cent free?

Cent is free to download, with in-app purchases available.

### Do Summon [Lab11] or Cent have ads?

Neither Summon [Lab11] nor Cent 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.*