RidgeRelay vs MagStud Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RidgeRelay
Control up to six relay outputs directly from your iPhone. Personalize relay names, icons, and colors. Monitor live hardware status via Bluetooth connection.
- Control six relay outputs
- Customize relay names
- Personalize icons and colors
- View live hardware status
- Bluetooth connectivity
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RidgeRelay lets you control six relay outputs from your iPhone. Customize relay names, icons, and colors while viewing live hardware-reported status over Bluetooth.
MagStud Pro
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Wall Survey keeps measured wall observations in a saved notebook and compares two passes from the same reference edge. HOW IT WORKS 1. Open Survey and create a wall with a name and measured span. 2. Add observations for pass 1 and pass 2 using distances you measure along the wall. Add a live magnetic reading when supported. 3. Choose a matching tolerance, inspect paired and unmatched marks, then share the survey or reopen it later. Sweep, signal strip, heat maps, sensitivity controls, journal and planning tools remain available. Low readings no longer claim a wall is safe to drill, and unsupported hardware no longer receives synthetic magnetic readings. WHAT TO KNOW Distances are entered measurements, not motion tracking. A repeated signal is not proof of a stud or a safe drilling location. The app cannot rule out hidden electrical, plumbing, gas or other services. Use suitable tools before drilling. Devices without a magnetometer support manual surveys and show an unavailable-sensor message. iPhone and iPad.
Screenshots
Verdict
The clearest difference is price: RidgeRelay at Free against MagStud Pro's $2.99. MagStud Pro's advantage is update cadence (every 2 weeks vs every 18 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
RidgeRelay is free to download; MagStud Pro costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
RidgeRelay ships an update every 18 months, MagStud Pro every 2 weeks. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.
| Parameter | RidgeRelay | MagStud Pro |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 18 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | SWITCHED KINETIC IDEAS LLC | Robert Corbin |
In-app purchases
RidgeRelay
No in-app purchases
MagStud Pro
No in-app purchases








