# Sistens vs KramaFlow

The clearest difference is ads: KramaFlow at none against Sistens's shown. KramaFlow also leads on update cadence (every 10 days vs every 28 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sistens ships an update every 28 months, KramaFlow every 10 days. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Sistens | KramaFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 28 months | **Every 10 days** |
| Size | 43 MB | 40 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [KenneTech LLC](https://appshunter.io/developer/1220083928) | [KRIYA Soft Pty Ltd](https://appshunter.io/developer/1584596577) |

## What reviewers say

### Sistens

[App page](https://appshunter.io/ios/app/sistens/id1624999614)

**In-app purchases:** none


### KramaFlow

[App page](https://appshunter.io/ios/app/kramaflow/id6743771371)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sistens free?

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

### Is KramaFlow free?

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

### Do Sistens or KramaFlow have ads?

Sistens shows ads; KramaFlow does not.

### Which is updated more often, Sistens or KramaFlow?

Sistens ships an update every 28 months, and KramaFlow every 10 days. Most recently, Sistens was updated on October 25, 2026 and KramaFlow on October 17, 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.*