# Btween vs SdvigApp

The clearest difference is in-app purchases: Btween at none against SdvigApp's 2. SdvigApp's advantage is update cadence (weekly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SdvigApp sells 2 in-app purchases, starting at $1.99 per month. Btween asks for nothing beyond the download.

Btween ships an update every 6 weeks, SdvigApp weekly. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Btween | SdvigApp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Size | 47 MB | 11 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Egor Dolotkazin](https://appshunter.io/developer/1887796461) | [Samur Gafurov](https://appshunter.io/developer/6778918335) |

## What reviewers say

### Btween

[App page](https://appshunter.io/ios/app/btween-calendar-for-couples/id6761102111)

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

**In-app purchases:** none


### SdvigApp

[App page](https://appshunter.io/ios/app/sdvigapp/id6801518679)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SdvigApp Plus | $1.99 | per month |
| SdvigApp Plus | $22.99 | per year |


## Frequently asked questions

### Is Btween free?

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

### Is SdvigApp free?

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

### Do Btween or SdvigApp have ads?

Neither Btween nor SdvigApp shows ads.

### Which is updated more often, Btween or SdvigApp?

Btween ships an update every 6 weeks, and SdvigApp weekly. Most recently, Btween was updated on October 7, 2026 and SdvigApp on October 15, 2026.

---

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