# StudioDB vs MermaidSketch

The clearest difference is in-app purchases: MermaidSketch at none against StudioDB's 2. MermaidSketch also leads on update cadence (daily vs every 15 months) and iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. StudioDB sells 2 in-app purchases, starting at $2.99 per 3 months. MermaidSketch asks for nothing beyond the download.

StudioDB ships an update every 15 months, MermaidSketch daily. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | StudioDB | MermaidSketch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/studiodb/id6469542161/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 15 months | **Daily** |
| Monetization | Freemium | — |
| Size | 25 MB | 33 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Dipen Patel](https://appshunter.io/developer/570360425) | [duy trinh](https://appshunter.io/developer/1896492647) |

## What reviewers say

### StudioDB

[App page](https://appshunter.io/ios/app/studiodb/id6469542161)

This app offers a unique object-oriented approach to scriptwriting, allowing users to create, edit, and manage projects, characters, scenes, and dialogue. It provides tools for casting actors, defining locations, and organizing script elements with intelligent options and import/export capabilities.

**Highlights:** Object-oriented scriptwriting interface, Project, scene, and character management, Intelligent element options for dialogue and action, Actor casting and character association, Import/export projects and scripts as JSON, Generate reports and share files

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $2.99 | per 3 months |
| Premium Access | $9.99 | per year |


### MermaidSketch

[App page](https://appshunter.io/ios/app/mermaidsketch/id6767610254)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is StudioDB free?

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

### Is MermaidSketch free?

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

### Do StudioDB or MermaidSketch have ads?

Neither StudioDB nor MermaidSketch shows ads.

### Which is updated more often, StudioDB or MermaidSketch?

StudioDB ships an update every 15 months, and MermaidSketch daily. Most recently, StudioDB was updated on October 30, 2026 and MermaidSketch on October 25, 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.*