# didacta vs PostImpact

The clearest difference is update cadence: didacta at every 2 months against PostImpact's every 4 months. PostImpact's advantage is iOS requirement (15.1 vs 17.7). 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.

didacta ships an update every 2 months, PostImpact every 4 months. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | didacta | PostImpact |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 79 MB | 76 MB |
| Requires iOS | 17.7 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Koelnmesse GmbH](https://appshunter.io/developer/388127984) | [Khalid Ebanhesaten](https://appshunter.io/developer/1571749235) |

## What reviewers say

### didacta

[App page](https://appshunter.io/ios/app/didacta/id1057093612)

This interactive event guide helps attendees navigate a leading trade fair for the education sector. It provides exhibitor and product directories, a floor plan, program information, and networking features. Plan your visit, save favorites, and receive important notifications.

**Highlights:** Exhibitor and product directory, Interactive floor plan, Event program information, Visit planning with favorites, Networking features, Real-time notifications

**In-app purchases:** none


### PostImpact

[App page](https://appshunter.io/ios/app/postimpact/id6741061957)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is didacta free?

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

### Is PostImpact free?

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

### Do didacta or PostImpact have ads?

Neither didacta nor PostImpact shows ads.

### Which is updated more often, didacta or PostImpact?

didacta ships an update every 2 months, and PostImpact every 4 months. Most recently, didacta was updated on October 4, 2026 and PostImpact on October 2, 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.*