# DOOH Tasks vs Solum E

The clearest difference is update cadence: Solum E at every 2 months against DOOH Tasks's every 7 months. DOOH Tasks's advantage is iOS requirement (13.4 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

DOOH Tasks ships an update every 7 months, Solum E every 2 months. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | DOOH Tasks | Solum E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Size | 41 MB | 40 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [DOLPHIN INNOVATIVE SOLUTIONS INC](https://appshunter.io/developer/1785139391) | [SoluM](https://appshunter.io/developer/1246070201) |

## What reviewers say

### DOOH Tasks

[App page](https://appshunter.io/ios/app/dooh-tasks/id6739414891)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solum E

[App page](https://appshunter.io/ios/app/solum-e-paper/id6759361516)

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

**In-app purchases:** none


## Frequently asked questions

### Is DOOH Tasks free?

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

### Is Solum E free?

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

### Do DOOH Tasks or Solum E have ads?

Neither DOOH Tasks nor Solum E shows ads.

### Which is updated more often, DOOH Tasks or Solum E?

DOOH Tasks ships an update every 7 months, and Solum E every 2 months. Most recently, DOOH Tasks was updated on October 11, 2026 and Solum E on September 30, 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.*