# OSDP Reader vs Map Memos

The clearest difference is in-app purchases: OSDP Reader at none against Map Memos's 1. OSDP Reader also leads on iOS requirement (15 vs 18.0). Map Memos's advantage is update cadence (every 3 days vs every 2 months) and ratings volume (4 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Map Memos sells 1 in-app purchase, starting at $9.99 per year. OSDP Reader asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for OSDP Reader against 5.0 for Map Memos. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

OSDP Reader ships an update every 2 months, Map Memos every 3 days. Both last shipped on November 4, 2026.

## The numbers

| Metric | OSDP Reader | Map Memos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/osdp-reader/id6477343162/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/map-memos-location-notes/id6661034128/reviews) |
| Number of ratings | 1 | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 11 MB | 30 MB |
| Requires iOS | **15** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sebury](https://appshunter.io/developer/1329453882) | [Minima Software](https://appshunter.io/developer/352283598) |

## What reviewers say

### OSDP Reader

[App page](https://appshunter.io/ios/app/osdp-reader/id6477343162)

This utility app supports the latest OSDP card reader version 2.2. It offers extensive mobile virtual card number settings, including Wiegand and OSDP output formats, keypad settings, and LED light customization.

**Highlights:** OSDP 2.2 support, Mobile virtual card number, Wiegand output format settings, OSDP output format settings, Keypad output format settings, LED light color customization, Backlight setting

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

**In-app purchases:** none


### Map Memos

[App page](https://appshunter.io/ios/app/map-memos-location-notes/id6661034128)

Pin locations on a map and add custom notes to them. Easily share annotated maps with others for travel planning, local guides, property management, and more. Organize your world geographically with custom icons and offline access.

**Highlights:** Tap and add notes to map locations, Create custom points of interest, Share annotated maps easily, Categorize notes with customizable icons, Offline access to notes, Plan trips and record memories, Create personalized city guides

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $9.99 | per year |


## Frequently asked questions

### Is OSDP Reader free?

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

### Is Map Memos free?

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

### Which has better reviews, OSDP Reader or Map Memos?

OSDP Reader and Map Memos are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do OSDP Reader or Map Memos have ads?

Neither OSDP Reader nor Map Memos shows ads.

### Which is updated more often, OSDP Reader or Map Memos?

OSDP Reader ships an update every 2 months, and Map Memos every 3 days. Most recently, OSDP Reader was updated on November 4, 2026 and Map Memos on November 4, 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.*