# SF Study vs CaseStamp

The clearest difference is update cadence: CaseStamp at every 9 days against SF Study's every 6 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.

SF Study ships an update every 6 weeks, CaseStamp every 9 days. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SF Study | CaseStamp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sf-study-parent-hub/id6473803780/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 26 MB | 8 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [dfusion, Inc](https://appshunter.io/developer/1532980185) | [Jesus Cardenas](https://appshunter.io/developer/6788815194) |

## What reviewers say

### SF Study

[App page](https://appshunter.io/ios/app/sf-study-parent-hub/id6473803780)

This app provides parents of youth with Autism Spectrum Disorder (ASD) with resources to learn about and discuss various topics. It aims to facilitate communication and understanding between parents and their children.

**Highlights:** Learn about topics relevant to youth with ASD, Facilitate communication with youth, Support for parents of children with ASD, Resource hub for ASD-related discussions

**In-app purchases:** none


### CaseStamp

[App page](https://appshunter.io/ios/app/casestamp-evidence-log/id6788815191)

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

**In-app purchases:** none


## Frequently asked questions

### Is SF Study free?

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

### Is CaseStamp free?

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

### Do SF Study or CaseStamp have ads?

Neither SF Study nor CaseStamp shows ads.

### Which is updated more often, SF Study or CaseStamp?

SF Study ships an update every 6 weeks, and CaseStamp every 9 days. Most recently, SF Study was updated on November 4, 2026 and CaseStamp on October 28, 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.*