# StoneForecast vs KNF WAS@SG

The clearest difference is update cadence: StoneForecast at daily against KNF WAS@SG's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

StoneForecast ships an update daily, KNF WAS@SG every 3 weeks. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | StoneForecast | KNF WAS@SG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Size | 133 MB | 24 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | +4 | 4+ |
| Developer | [FUNDACAO PADRE LEONEL FRANCA](https://appshunter.io/developer/1566582123) | [KNF Enterprises Pte Ltd](https://appshunter.io/developer/1829709004) |

## What reviewers say

### StoneForecast

[App page](https://appshunter.io/ios/app/stoneforecast/id6463064935)

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

**In-app purchases:** none


### KNF WAS@SG

[App page](https://appshunter.io/ios/app/knf-wassg/id6742532381)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is StoneForecast free?

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

### Is KNF WAS@SG free?

KNF WAS@SG is free to download, with no in-app purchases.

### Do StoneForecast or KNF WAS@SG have ads?

Neither StoneForecast nor KNF WAS@SG shows ads.

### Which is updated more often, StoneForecast or KNF WAS@SG?

StoneForecast ships an update daily, and KNF WAS@SG every 3 weeks. Most recently, StoneForecast was updated on November 7, 2026 and KNF WAS@SG on November 8, 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.*