# HEPCon vs ISMA

HEPCon and ISMA are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | HEPCon | ISMA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Free | — |
| Size | 117 MB | 14 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Martin Vassilev](https://appshunter.io/developer/1286500650) | [Poznan Supercomputing and Networking Center](https://appshunter.io/developer/726093818) |

## What reviewers say

### HEPCon

[App page](https://appshunter.io/ios/app/hepcon/id1286500651)

This app provides a structured mobile agenda for scientific and professional conferences, connecting to existing systems. Attendees can access program details offline, build personalized schedules, and receive live updates. Organizers can offer a mobile companion without workflow changes.

**Highlights:** Browse full conference program with filtering, Offline access to abstracts and session details, Personalized schedule with reminders, Bookmark talks and export to calendar, Follow announcements and live updates, Access venue information and contacts, Participate in presentation discussions

**Features:** Vision Pro support

**In-app purchases:** none


### ISMA

[App page](https://appshunter.io/ios/app/isma-usd-2026/id6803106846)

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

**In-app purchases:** none


## Frequently asked questions

### Is HEPCon free?

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

### Is ISMA free?

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

### Do HEPCon or ISMA have ads?

Neither HEPCon nor ISMA shows ads.

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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.*