# Sauna Weight Loss vs RainMaker 4

The clearest difference is price: RainMaker 4 at Free against Sauna Weight Loss's $2.99. Sauna Weight Loss's advantage is in-app purchases (none vs 7) and iOS requirement (13.0 vs 18.0). On update cadence, ads and device support there is nothing between them.

RainMaker 4 is free to download; Sauna Weight Loss costs $2.99 up front. RainMaker 4 sells 7 one-off in-app purchases. Sauna Weight Loss asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 8 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Sauna Weight Loss | RainMaker 4 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rainmaker-4/id6751785587/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | Every 8 days |
| Monetization | — | Free with in-app purchases |
| Size | 71 MB | 7 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sana Harrat](https://appshunter.io/developer/1648378102) | [Trevor Phillips](https://appshunter.io/developer/1836803938) |

## What reviewers say

### Sauna Weight Loss

[App page](https://appshunter.io/ios/app/sauna-weight-loss/id6747948264)

**Features:** macOS Compatibility

**In-app purchases:** none


### RainMaker 4

[App page](https://appshunter.io/ios/app/rainmaker-4/id6751785587)

Create personalized soundscapes with realistic rain and nature sounds for relaxation, focus, and meditation. Design your ideal weather experience anytime, anywhere.

**Highlights:** Realistic rain sounds, Nature soundscapes, Customizable sound mixing, Relaxation aid, Focus enhancement, Meditation tool

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LightningStrikes | $0.99 | one-time |
| rainforest | $0.99 | one-time |
| rainOnMetal | $0.99 | one-time |
| thunderstorm | $0.99 | one-time |
| rivers | $0.99 | one-time |
| waterfalls | $0.99 | one-time |
| continuousRainMode | $4.99 | one-time |


## Frequently asked questions

### Is Sauna Weight Loss free?

Sauna Weight Loss costs $2.99, with no in-app purchases.

### Is RainMaker 4 free?

RainMaker 4 is free to download, with in-app purchases available.

### Do Sauna Weight Loss or RainMaker 4 have ads?

Neither Sauna Weight Loss nor RainMaker 4 shows ads.

### Which is updated more often, Sauna Weight Loss or RainMaker 4?

Sauna Weight Loss ships an update every 8 days, and RainMaker 4 every 8 days. Most recently, Sauna Weight Loss was updated on October 24, 2026 and RainMaker 4 on October 24, 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.*