# RVX Performance vs BellyNote

The clearest difference is in-app purchases: RVX Performance at none against BellyNote's 4. BellyNote's advantage is update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. BellyNote sells 4 in-app purchases, starting at $2.99 per 7 days. RVX Performance asks for nothing beyond the download.

RVX Performance ships an update monthly, BellyNote weekly. The most recent releases landed on October 27, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | RVX Performance | BellyNote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 42 MB | 77 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [RVX Performance Inc](https://appshunter.io/developer/1674363687) | [UMIT DURAN](https://appshunter.io/developer/1735147581) |

## What reviewers say

### RVX Performance

[App page](https://appshunter.io/ios/app/rvx-performance/id6445867253)

**Features:** macOS Compatibility

**In-app purchases:** none


### BellyNote

[App page](https://appshunter.io/ios/app/bellynote-baby-heartbeat/id6800261629)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BellyNote Weekly Special | $2.99 | per 7 days |
| BellyNote Premium Weekly | $3.99 | per 7 days |
| BellyNote Annual Special | $29.99 | per year |
| BellyNote Premium Annual | $39.99 | per year |


## Frequently asked questions

### Is RVX Performance free?

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

### Is BellyNote free?

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

### Do RVX Performance or BellyNote have ads?

Neither RVX Performance nor BellyNote shows ads.

### Which is updated more often, RVX Performance or BellyNote?

RVX Performance ships an update monthly, and BellyNote weekly. Most recently, RVX Performance was updated on October 27, 2026 and BellyNote on November 6, 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.*