# Simple Relationship Map AI vs Digital Strings

The clearest difference is in-app purchases: Digital Strings at none against Simple Relationship Map AI's 2. Digital Strings also leads on update cadence (every 6 days vs every 2 weeks). Simple Relationship Map AI's advantage is iOS requirement (15.6 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Simple Relationship Map AI sells 2 in-app purchases, starting at $4.99 per month. Digital Strings asks for nothing beyond the download.

Simple Relationship Map AI ships an update every 2 weeks, Digital Strings every 6 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Simple Relationship Map AI | Digital Strings |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/digital-strings/id6819075697/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | — | Free |
| Size | 60 MB | 2 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [YUKI TANAIKE](https://appshunter.io/developer/478558546) | [Neville Forsythe](https://appshunter.io/developer/1819374550) |

## What reviewers say

### Simple Relationship Map AI

[App page](https://appshunter.io/ios/app/simple-relationship-map-ai/id6752496080)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RelationMap AI Pro(Monthly) | $4.99 | per month |
| RelationMap AI Pro(Annual) | $44.99 | per year |


### Digital Strings

[App page](https://appshunter.io/ios/app/digital-strings/id6819075697)

This app provides a digital workspace to visually organize and connect various types of information, such as photos, documents, and notes. It allows users to create interactive evidence boards and map relationships between items, facilitating complex analysis and project development.

**Highlights:** Interactive evidence boards, Connect items with digital strings, Organize photos, documents, and notes, Flexible workspace for information mapping, Visual approach to complex analysis

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Simple Relationship Map AI free?

Simple Relationship Map AI is free to download, with in-app purchases available.

### Is Digital Strings free?

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

### Do Simple Relationship Map AI or Digital Strings have ads?

Neither Simple Relationship Map AI nor Digital Strings shows ads.

### Which is updated more often, Simple Relationship Map AI or Digital Strings?

Simple Relationship Map AI ships an update every 2 weeks, and Digital Strings every 6 days. Most recently, Simple Relationship Map AI was updated on October 30, 2026 and Digital Strings 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.*