USA Pocket Maps Pro vs RIDS calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
USA Pocket Maps Pro
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.
- 50 state reference maps
- Key facts and data per state
- State flags
- Major interstate highways
- Notable cities
- Time zone map
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Explore the United States—State by State USA Pocket Maps Pro puts essential U.S. geography at your fingertips. Instantly access maps, facts, flags, and key details for all 50 states—right from your iPhone. Whether you're a student, traveler, or lifelong learner, this app makes understanding the U.S. simple and convenient. Features – Full map of the United States – USA time zone map – Quick-reference maps for all 50 states – Key facts and data for each state – Access to an interactive online map – Flags of all 50 states Map Details – Major interstate highways – Notable cities in each state – Highest and lowest elevation points – Major lakes and water bodies Perfect for the classroom, your next road trip, or just brushing up on geography. Start exploring today with USA Pocket Maps Pro—your portable guide to the U.S.
RIDS calc
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.
- 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
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RIDS simplifies the accurate calculation of several properties of Air, Water, Seawater, and Sugars of various composition. A typical use of RIDS is to calculate the solids level and density of a corn syrup from the refractive index. RIDS employs detailed, published formulations that cover a wide range of conditions while maintaining state-of-the-art accuracy over that range. Detailed air properties and expanded water properties by IF97 international standard
Screenshots
Verdict
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 (#94 vs unranked). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | USA Pocket Maps Pro | RIDS calc |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.4 (436 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 22.5% of reviews | — |
| Number of ratings | 436 — better | 1 |
| Update frequency | Every 22 months | Every 10 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #94 — better | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 108 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Appventions | Wayne Henderson |
Customer experience
USA Pocket Maps Pro
RIDS calc
Bugs and requests
USA Pocket Maps Pro
Reported bugs
10 issues- 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
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- Mini items fail to download on iPad
- Map resizing functionality broken
- Tabs not functioning properly
- Missing states from complete US map display
- Poor performance on iPad devices
Requested features
12 requests- 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
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- Add hyperlinks to individual states for navigation
- Improve iPad formatting and responsiveness
- Add real-time features and updates
- Include Puerto Rico and all US territories
- Add local site references
- Improve map scrolling and panning functionality
- Add searchable map functionality
RIDS calc
Not enough reviews yet to summarise bugs or requests.
In-app purchases
USA Pocket Maps Pro
No in-app purchases
RIDS calc
No in-app purchases
