AccessSlope vs OPTRAFFIC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AccessSlope
Measure ramp accessibility with degrees, percent increase, and ratio. Quickly record measurements and receive an accessibility rating. Save and export data via email.
- Measure degrees, percent, and ratio of ramps
- Assess ramp accessibility on a scale
- Record measurements in 3 seconds
- Add comments to measurements
- Save measurements to a list
- Export measurements via email
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In celebration of the 40th anniversary of the Americans with Disabilities Act, the R2D2 Center has released the AccessRatings for Buildings MiniTools apps that include AccessRuler, AccessSlope and AccessSound. AccessRuler can be downloaded on iPhones or iPads. AccessSlope is an app that allows users to measure the degrees, percent increase, and vertical:horizontal ratio of any ramp. The four measures comprise the run and cross slopes of the ramp and landing, requiring only 3 seconds to record each measurement. The app depicts the accessibility of a ramp following the measurement on a scale that indicates whether the slope is accessible or not. In addition, users can add comments, save their measurements to a list within the app and export the measurements through email.
OPTRAFFIC
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This is a dedicated app for controlling VMS
Screenshots
Verdict
The clearest difference is price: OPTRAFFIC at Free against AccessSlope's $0.99. OPTRAFFIC also leads on update cadence (every 8 months vs every 28 months). On ads, in-app purchases, device support and iOS requirement 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
OPTRAFFIC is free to download; AccessSlope costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
AccessSlope ships an update every 28 months, OPTRAFFIC every 8 months. The most recent releases landed on September 18, 2026 and December 1, 2025 respectively.
| Parameter | AccessSlope | OPTRAFFIC |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 28 months | Every 8 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 3 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | University of Wisconsin–Milwaukee | 攀 杨 |
In-app purchases
AccessSlope
No in-app purchases
OPTRAFFIC
No in-app purchases
Questions
Is AccessSlope free?
Is OPTRAFFIC free?
Do AccessSlope or OPTRAFFIC have ads?
Which is updated more often, AccessSlope or OPTRAFFIC?
Other comparisons
