# RainArc vs Shanzfitform

The clearest difference is in-app purchases: Shanzfitform at none against RainArc's 1. Shanzfitform also leads on update cadence (every 6 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. RainArc sells 1 one-off in-app purchase. Shanzfitform asks for nothing beyond the download.

RainArc ships an update every 3 weeks, Shanzfitform every 6 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | RainArc | Shanzfitform |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 13 MB | 133 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Fazry Rachman Susanto](https://appshunter.io/developer/1827368574) | [wayne freeman](https://appshunter.io/developer/1695688292) |

## What reviewers say

### RainArc

[App page](https://appshunter.io/ios/app/rainarc/id6752736866)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tambah 2 Habit | $0.99 | one-time |


### Shanzfitform

[App page](https://appshunter.io/ios/app/shanzfitform/id6755233818)

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

**In-app purchases:** none


## Frequently asked questions

### Is RainArc free?

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

### Is Shanzfitform free?

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

### Do RainArc or Shanzfitform have ads?

Neither RainArc nor Shanzfitform shows ads.

### Which is updated more often, RainArc or Shanzfitform?

RainArc ships an update every 3 weeks, and Shanzfitform every 6 days. Most recently, RainArc was updated on October 30, 2026 and Shanzfitform on November 5, 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.*