# BI vs Thunersee Guide

The clearest difference is in-app purchases: Thunersee Guide at none against BI's 23. BI's advantage is update cadence (every 8 months vs every 39 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. BI sells 22 one-off in-app purchases. Thunersee Guide asks for nothing beyond the download.

BI ships an update every 8 months, Thunersee Guide every 39 months. The most recent releases landed on October 15, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | BI | Thunersee Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bi-spektrum/id1204359228/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 39 months |
| Monetization | Free with in-app purchases | — |
| Size | 160 MB | 33 MB |
| Requires iOS | 14.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SIGS DATACOM GmbH](https://appshunter.io/developer/666198372) | [Weber Verlag AG](https://appshunter.io/developer/439650045) |

## What reviewers say

### BI

[App page](https://appshunter.io/ios/app/bi-spektrum/id1204359228)

This publication covers the latest trends, case studies, and opinions in analytics, business intelligence, and data warehousing. It delivers expert articles and news for professionals and researchers in the field, with special editions included in subscriptions.

**Highlights:** Industry trends and analysis, Practical case studies, Expert opinions, BI and Data Warehousing news, Special editions included, Digital single issues and subscriptions

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

**In-app purchases (22)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BI-SPEKTRUM 2/2022 | $12.99 | one-time |
| BI-SPEKTRUM 1/2022 | $12.99 | one-time |
| BI-SPEKTRUM 3/2022 | $12.99 | one-time |
| BI-SPEKTRUM 4/2022 | $12.99 | one-time |
| BI-SPEKTRUM 5/2022 | $12.99 | one-time |
| BI-SPEKTRUM 1/2023 | $12.99 | one-time |
| BI-SPEKTRUM 2/2023 | $12.99 | one-time |
| BI-SPEKTRUM 4/2023 | $12.99 | one-time |
| BI-SPEKTRUM 3/2023 | $12.99 | one-time |
| BI-SPEKTRUM 5/2023 | $12.99 | one-time |
| BI-Spektrum 1/2024 | $14.99 | one-time |
| BI-Spektrum 3/2024 | $14.99 | one-time |
| BI-Spektrum 2/2024 | $14.99 | one-time |
| BI-Spektrum 5/2024 | $14.99 | one-time |
| BI-Spektrum 4/2024 | $14.99 | one-time |
| BI-Spektrum 1/2026 | $14.99 | one-time |
| BI-Spektrum 4/2026 | $14.99 | one-time |
| BI-Spektrum 3/2026 | $14.99 | one-time |
| BI-Spektrum 1/2025 | $14.99 | one-time |
| BI-Spektrum 2/2025 | $14.99 | one-time |
| BI-Spektrum 4/2025 | $14.99 | one-time |
| BI-Spektrum 3/2025 | $14.99 | one-time |


### Thunersee Guide

[App page](https://appshunter.io/ios/app/thunersee-guide/id1571912757)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BI free?

BI is free to download, with in-app purchases available.

### Is Thunersee Guide free?

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

### Do BI or Thunersee Guide have ads?

Neither BI nor Thunersee Guide shows ads.

### Which is updated more often, BI or Thunersee Guide?

BI ships an update every 8 months, and Thunersee Guide every 39 months. Most recently, BI was updated on October 15, 2026 and Thunersee Guide on October 27, 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.*