# USA Pocket Maps Pro vs RIDS calc

The clearest difference is price: RIDS calc at Free against USA Pocket Maps Pro's $1.99. RIDS calc also leads on rating (5.0 vs 4.4) and update cadence (every 10 months vs every 22 months). USA Pocket Maps Pro's advantage is ratings volume (436 vs 1) and chart position (#102 vs unranked). On ads, in-app purchases and device support there is nothing between them.

RIDS calc is free to download; USA Pocket Maps Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RIDS calc holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: USA Pocket Maps Pro has 436 ratings behind it against 1, so its average is the more settled of the two.

USA Pocket Maps Pro ships an update every 22 months, RIDS calc every 10 months. The most recent releases landed on November 10, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | USA Pocket Maps Pro | RIDS calc |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.4 (436 ratings)](https://appshunter.io/ios/app/usa-pocket-maps-pro/id362061024/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rids-calc/id1513200801/reviews)** |
| Number of ratings | **436** | 1 |
| Positive reviews | 22.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 10 months** |
| Monetization | Paid | **Free** |
| Best chart rank | **#102** | — |
| Size | 108 MB | 11 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Appventions](https://appshunter.io/developer/340827684) | [Wayne Henderson](https://appshunter.io/developer/1265636597) |

## What reviewers say

### USA Pocket Maps Pro

[App page](https://appshunter.io/ios/app/usa-pocket-maps-pro/id362061024)

**Currently charting:** #102 Top Paid · Reference (US App Store)

Access detailed maps, facts, flags, and key geographical information for all 50 U.S. states. This app provides essential U.S. geography at your fingertips, perfect for students, travelers, and learners.

**Highlights:** 50 state reference maps, Key facts and data per state, State flags, Major interstate highways, Notable cities, Time zone map

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

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly interface for quick reference
- 📱 Convenient pocket-sized map application
- 🗺️ Good for general travel planning and study
- ⭐ Useful basic state and country overview maps
- ✅ Fits description for basic map needs

**What reviewers complain about**

- 🐛 Maps don't display fully on devices
- 🐛 Bottom portions of states are truncated or unviewable
- 🐛 Map snapping issues causing incorrect positioning
- ❌ Detailed tab is non-functional or blank
- ❌ Missing states from map display (only 47 of 50 states)

**Reported bugs**

- Maps cannot be fully scrolled or viewed
- Bottom 20% of states are unviewable
- Map snapping to incorrect positions
- Detailed tab displays blank page
- Unable to view entire United States on single screen

**Requested features**

- Add more detailed city and town information
- Include highway numbers and secondary roads
- Improve zoom functionality and magnification options
- Add double-tap to zoom capability
- Include street-level detail


### RIDS calc

[App page](https://appshunter.io/ios/app/rids-calc/id1513200801)

This app accurately calculates properties for air, water, seawater, and sugars. It uses detailed, published formulations for precise results across various conditions, including solids level and density of corn syrup.

**Highlights:** Accurate property calculations, Supports air, water, seawater, and sugars, Calculates solids level and density, Uses detailed published formulations, State-of-the-art accuracy, Includes detailed air and expanded water properties

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is USA Pocket Maps Pro free?

USA Pocket Maps Pro costs $1.99, with no in-app purchases.

### Is RIDS calc free?

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

### Which has better reviews, USA Pocket Maps Pro or RIDS calc?

RIDS calc is rated higher. USA Pocket Maps Pro averages 4.4 out of 5 from 436 ratings, while RIDS calc averages 5.0 from 1 ratings.

### Do USA Pocket Maps Pro or RIDS calc have ads?

Neither USA Pocket Maps Pro nor RIDS calc shows ads.

### Which is updated more often, USA Pocket Maps Pro or RIDS calc?

USA Pocket Maps Pro ships an update every 22 months, and RIDS calc every 10 months. Most recently, USA Pocket Maps Pro was updated on November 10, 2026 and RIDS calc on November 7, 2026.

---

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