# THESIS ECM vs Directum Solo

The clearest difference is update cadence: Directum Solo at every 5 weeks against THESIS ECM's every 4 months. Directum Solo also leads on iOS requirement (13.0 vs 15.1). 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.

THESIS ECM ships an update every 4 months, Directum Solo every 5 weeks. The most recent releases landed on May 19, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | THESIS ECM | Directum Solo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Size | 71 MB | 105 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Haulmont Development OOO](https://appshunter.io/developer/1033811743) | [DIRECTUM](https://appshunter.io/developer/1053356450) |

## What reviewers say

### THESIS ECM

[App page](https://appshunter.io/ios/app/thesis-ecm/id1343191505)

**In-app purchases:** none


### Directum Solo

[App page](https://appshunter.io/ios/app/directum-solo/id6476984855)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is THESIS ECM free?

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

### Is Directum Solo free?

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

### Do THESIS ECM or Directum Solo have ads?

Neither THESIS ECM nor Directum Solo shows ads.

### Which is updated more often, THESIS ECM or Directum Solo?

THESIS ECM ships an update every 4 months, and Directum Solo every 5 weeks. Most recently, THESIS ECM was updated on May 19, 2026 and Directum Solo on September 19, 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.*