# Absidion vs IEEE ISIT

The clearest difference is update cadence: IEEE ISIT at every 3 weeks against Absidion's every 3 months. IEEE ISIT also leads on device support (4 vs 2) and iOS requirement (10.0 vs 14.2). On price, ads and in-app purchases there is nothing between them.

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

Absidion ships an update every 3 months, IEEE ISIT every 3 weeks. The most recent releases landed on September 19, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Absidion | IEEE ISIT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 137 MB | 88 MB |
| Requires iOS | 14.2 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [ascaion ag](https://appshunter.io/developer/944278574) | [Conference Management Services, Inc.](https://appshunter.io/developer/1510471268) |

## What reviewers say

### Absidion

[App page](https://appshunter.io/ios/app/absidion/id1662947346)

**In-app purchases:** none


### IEEE ISIT

[App page](https://appshunter.io/ios/app/ieee-isit/id6503955983)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Absidion free?

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

### Is IEEE ISIT free?

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

### Do Absidion or IEEE ISIT have ads?

Neither Absidion nor IEEE ISIT shows ads.

### Which is updated more often, Absidion or IEEE ISIT?

Absidion ships an update every 3 months, and IEEE ISIT every 3 weeks. Most recently, Absidion was updated on September 19, 2026 and IEEE ISIT on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*