# B17.ru vs Terra Core

The clearest difference is update cadence: Terra Core at every 3 weeks against B17.ru's every 19 months. B17.ru's advantage is iOS requirement (13.0 vs 15.5). 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.

B17.ru ships an update every 19 months, Terra Core every 3 weeks. The most recent releases landed on September 19, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | B17.ru | Terra Core |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (9 ratings)](https://appshunter.io/ios/app/terra-core/id6467891028/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 73.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 22 MB | 57 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [B17.RU LLC](https://appshunter.io/developer/1294866339) | [Svetlana Kicheva](https://appshunter.io/developer/1559031722) |

## What reviewers say

### B17.ru

[App page](https://appshunter.io/ios/app/b17ru/id1637387043)

**Features:** macOS Compatibility

**In-app purchases:** none


### Terra Core

[App page](https://appshunter.io/ios/app/terra-core/id6467891028)

Access free business development resources including courses, events, and workshops. Enhance your management, marketing, and finance skills with expert guidance and personalized advice.

**Highlights:** Extensive business courses, Expert-led events and workshops, Personalized advice and Q&A, All resources are free

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

**In-app purchases:** none


## Frequently asked questions

### Is B17.ru free?

B17.ru is free to download, with no in-app purchases.

### Is Terra Core free?

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

### Do B17.ru or Terra Core have ads?

Neither B17.ru nor Terra Core shows ads.

### Which is updated more often, B17.ru or Terra Core?

B17.ru ships an update every 19 months, and Terra Core every 3 weeks. Most recently, B17.ru was updated on September 19, 2026 and Terra Core on September 22, 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.*