# OldMapsOnline vs STEMReader

The clearest difference is ads: STEMReader at none against OldMapsOnline's shown. OldMapsOnline's advantage is iOS requirement (17.2 vs 26.4). On price, in-app purchases and device support there is nothing between them.

Both are free to download. OldMapsOnline sells 1 one-off in-app purchase and STEMReader sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | OldMapsOnline | STEMReader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (27 ratings)](https://appshunter.io/ios/app/oldmapsonline-history-and-maps/id1017609581/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 25.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 12 MB |
| Requires iOS | **17.2** | 26.4 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Klokan Technologies](https://appshunter.io/developer/593541068) | [SAMUEL QUINTEIRO PEREZ](https://appshunter.io/developer/1793573517) |

## What reviewers say

### OldMapsOnline

[App page](https://appshunter.io/ios/app/oldmapsonline-history-and-maps/id1017609581)

Explore a vast collection of historical maps to visualize how the world has changed. Overlay old maps with modern views, use an interactive timeline, and access integrated historical information. Contribute to a growing community database of cartographic history.

**Highlights:** Vast collection of historical maps, Interactive map with timeline, Overlay and compare maps, Community-driven collection, Wikipedia integration, Search by location and year, Browser extension for map collection

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad free version | $1.99 | one-time |

**What reviewers like**

- 🗺️ Great access to historical maps
- 💡 Incredible resource for genealogists and historians
- 👍 User-friendly interface

**What reviewers complain about**

- 🐛 Buggy and glitchy performance
- 🔍 Difficulty zooming and navigating maps
- 📷 Poor map resolution and image quality
- 🔌 App no longer supported or updated

**Reported bugs**

- Maps not loading properly
- Constant crashes and freezes
- Inaccurate GPS and location data

**Requested features**

- Ability to overlay maps and see current location
- Option to download maps for offline use
- Improved search and filtering capabilities
- Easier map sharing and exporting


### STEMReader

[App page](https://appshunter.io/ios/app/stemreader/id6778995923)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $1.99 | per month |
| Plus Annual | $7.99 | per year |
| This Document | $0.99 | one-time |
| Three Documents | $1.99 | one-time |


## Frequently asked questions

### Is OldMapsOnline free?

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

### Is STEMReader free?

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

### Do OldMapsOnline or STEMReader have ads?

OldMapsOnline shows ads; STEMReader does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*