# ShieldData vs Map a Note

The clearest difference is in-app purchases: ShieldData at none against Map a Note's 2. ShieldData also leads on update cadence (every 2 weeks vs monthly) and iOS requirement (13.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Map a Note sells 2 in-app purchases, starting at $0.99 per month. ShieldData asks for nothing beyond the download.

ShieldData ships an update every 2 weeks, Map a Note monthly. The most recent releases landed on September 25, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | ShieldData | Map a Note |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shielddata/id6448749933/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | — |
| Size | 46 MB | 64 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BPM BI Inc.](https://appshunter.io/developer/1686098512) | [Gray Whale and Blue Heron](https://appshunter.io/developer/1406567541) |

## What reviewers say

### ShieldData

[App page](https://appshunter.io/ios/app/shielddata/id6448749933)

This app provides law enforcement agencies with cutting-edge technology tools to enhance their ability to serve and protect communities. It aims to streamline processes, improve decision-making, and increase public safety through innovative and secure products.

**Highlights:** Crime solving technology, Public safety enhancement, Agency operations improvement, Digital transformation tools, Streamlined processes, Improved decision-making

**Features:** macOS Compatibility

**In-app purchases:** none


### Map a Note

[App page](https://appshunter.io/ios/app/map-a-note/id6476342824)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited notes | $0.99 | per month |
| Unlimited notes | $3.99 | per year |


## Frequently asked questions

### Is ShieldData free?

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

### Is Map a Note free?

Map a Note is free to download, with in-app purchases available.

### Do ShieldData or Map a Note have ads?

Neither ShieldData nor Map a Note shows ads.

### Which is updated more often, ShieldData or Map a Note?

ShieldData ships an update every 2 weeks, and Map a Note monthly. Most recently, ShieldData was updated on September 25, 2026 and Map a Note on September 26, 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.*