# Crisp vs SandFlow

The clearest difference is in-app purchases: SandFlow at none against Crisp's 4. Crisp's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

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

Crisp ships an update every 2 months, SandFlow daily. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Crisp | SandFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 3 MB | 40 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZHENGQIAO JIANG](https://appshunter.io/developer/1892168889) | [Robert Sandig](https://appshunter.io/developer/1853030697) |

## What reviewers say

### Crisp

[App page](https://appshunter.io/ios/app/crisp-water-eject/id6767547524)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $5.99 | per month |
| Yearly | $34.99 | per year |
| Lifetime | $99.99 | one-time |


### SandFlow

[App page](https://appshunter.io/ios/app/sandflow-hdd-assistent/id6799719546)

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

**In-app purchases:** none


## Frequently asked questions

### Is Crisp free?

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

### Is SandFlow free?

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

### Do Crisp or SandFlow have ads?

Neither Crisp nor SandFlow shows ads.

### Which is updated more often, Crisp or SandFlow?

Crisp ships an update every 2 months, and SandFlow daily. Most recently, Crisp was updated on October 28, 2026 and SandFlow on October 31, 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.*