# DUOL SmartDome vs paperlesspaper

DUOL SmartDome and paperlesspaper are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

DUOL SmartDome ships an update every 8 days, paperlesspaper every 11 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | DUOL SmartDome | paperlesspaper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 11 days |
| Size | 27 MB | 36 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Entia d.o.o.](https://appshunter.io/developer/567498129) | [wirewire GmbH](https://appshunter.io/developer/1655703273) |

## What reviewers say

### DUOL SmartDome

[App page](https://appshunter.io/ios/app/duol-smartdome/id1627528365)

**Features:** macOS Compatibility

**In-app purchases:** none


### paperlesspaper

[App page](https://appshunter.io/ios/app/paperlesspaper/id6444684911)

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

**In-app purchases:** none


## Frequently asked questions

### Is DUOL SmartDome free?

DUOL SmartDome is free to download, with no in-app purchases.

### Is paperlesspaper free?

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

### Do DUOL SmartDome or paperlesspaper have ads?

Neither DUOL SmartDome nor paperlesspaper shows ads.

### Which is updated more often, DUOL SmartDome or paperlesspaper?

DUOL SmartDome ships an update every 8 days, and paperlesspaper every 11 days. Most recently, DUOL SmartDome was updated on November 3, 2026 and paperlesspaper on November 3, 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.*