# Build38 OTP vs nextappcon

The clearest difference is update cadence: nextappcon at every 5 days against Build38 OTP's every 2 months. 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.

Build38 OTP ships an update every 2 months, nextappcon every 5 days. Both last shipped on October 8, 2026.

## The numbers

| Metric | Build38 OTP | nextappcon |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 19 MB | 66 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Build38](https://appshunter.io/developer/1517018859) | [Mobile Seasons GmbH](https://appshunter.io/developer/1739564830) |

## What reviewers say

### Build38 OTP

[App page](https://appshunter.io/ios/app/build38-otp/id6754035970)

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

**In-app purchases:** none


### nextappcon

[App page](https://appshunter.io/ios/app/nextappcon/id6807713840)

This app serves as an official companion for a large mobile app developer conference, offering a personalized schedule, speaker profiles, and venue navigation. It provides live updates and offline access to session details, helping attendees make the most of the event.

**Highlights:** Personalized schedule builder, Speaker profiles and session listings, Live event updates, Interactive venue navigation, Session filtering by track/topic, Networking features, Offline access to agenda

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

**In-app purchases:** none


## Frequently asked questions

### Is Build38 OTP free?

Build38 OTP is free to download, with no in-app purchases.

### Is nextappcon free?

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

### Do Build38 OTP or nextappcon have ads?

Neither Build38 OTP nor nextappcon shows ads.

### Which is updated more often, Build38 OTP or nextappcon?

Build38 OTP ships an update every 2 months, and nextappcon every 5 days. Most recently, Build38 OTP was updated on October 8, 2026 and nextappcon on October 8, 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.*