# Aperio Installer vs DuelTempo

The clearest difference is in-app purchases: Aperio Installer at none against DuelTempo's 1. Aperio Installer also leads on iOS requirement (16.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. DuelTempo sells 1 one-off in-app purchase. Aperio Installer asks for nothing beyond the download.

## The numbers

| Metric | Aperio Installer | DuelTempo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 9 MB | 16 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ASSA ABLOY AB](https://appshunter.io/developer/440205954) | [Pomisoft OÜ](https://appshunter.io/developer/1865030822) |

## What reviewers say

### Aperio Installer

[App page](https://appshunter.io/ios/app/aperio-installer/id6443597075)

**Features:** Apple Wallet

**In-app purchases:** none


### DuelTempo

[App page](https://appshunter.io/ios/app/dueltempo-chess-clock/id6789544055)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DuelTempo Pro — Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is Aperio Installer free?

Aperio Installer is free to download, with no in-app purchases.

### Is DuelTempo free?

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

### Do Aperio Installer or DuelTempo have ads?

Neither Aperio Installer nor DuelTempo shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*