Cadlo vs Zenith
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Cadlo
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Cadlo runs the beep test so you can coach. No more YouTube audio, clipboard sheets and typing scores into a gradebook at night: your phone paces every stage, your speaker calls the beeps, and each athlete's score is saved, charted and ready to export in one tap. Built for PE classes, team coaches, and anyone training for a fitness test. EVERY FIELD TEST IN ONE APP Most apps run a single test. Cadlo has them all: β’ Beep test (PACER / 20 m shuttle / LΓ©ger), Yo-Yo IR1 and IR2, Gacon 45-15, 30-30, 15-15 β’ Continuous aerobic tests: Cooper (12 min), half-Cooper (6 min), VAMEVAL β’ Circuits: strength and CrossFit stations with transition beeps β’ Custom intervals: build your own protocol (work/rest, reps, sets) RUN THE TEST ONCE, SKIP THE DATA ENTRY Scores computed automatically from the last completed stage, MAS (maximal aerobic speed) and VOβmax estimates, full history per athlete, whole-roster management and one-tap export (CSV, JSON, visual progress card). TOOLS FOR THE FIELD β’ Stopwatch with laps β’ Tab-odometer: distances and cone placement for any target speed β’ Sprint: frame-by-frame video timing with augmented-reality gate placement SOUND BUILT FOR THE FIELD Cadlo keeps running with the screen locked and in the background, and it is designed to play through a Bluetooth speaker. Start the session, drop the phone in your pocket, and coach. FREE, AND GENUINELY USEFUL. SUBSCRIBE TO UNLOCK EVERYTHING. Free, no time limit: beep test (PACER / LΓ©ger), 1.5-mile timed run, stopwatch and tab-odometer. Subscribe to unlock the full toolbox: Yo-Yo, Gacon, VAMEVAL, 30-30, 15-15, circuits, programmable intervals and video Sprint. β’ $24.99/year (best value) β’ or $4.99/month β’ 7-day free trial WHO IT'S FOR PE teachers running the PACER with a whole class, independent coaches and strength and conditioning specialists who want a real measurement tool on the field, and anyone training for a beep-test-based fitness assessment (military, police, firefighter). One iPhone, every test. Cadlo Pro is an auto-renewable subscription. β’ $24.99/year or $4.99/month, with a 7-day free trial. β’ Payment is charged to your Apple ID at confirmation of purchase. β’ The subscription renews automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://insightiq.dev/cadlo/privacy/
Zenith
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Know your elevation, distance, and climb on every drive, hike, walk, run, or ride. Zenith tracks your altitude in real time as you move β then logs every track with its high, low, net gain, total climb, and a full elevation profile. GLANCE, DON'T UNLOCK A Live Activity keeps your current elevation, trend, and climb on the Lock Screen while you move, so you never open the app just to check your altitude. β’ Lives in the Dynamic Island too β’ Mirrors to CarPlay and the Apple Watch Smart Stack β’ Current elevation, high, low, and climb at a glance PRECISE BY DESIGN Zenith fuses the barometric altimeter's responsiveness with GPS's absolute accuracy, so your current elevation reacts instantly without drifting. β’ Live current-elevation readout, updated as you move β’ High, low, net gain, total climb, average, distance, and duration β’ Keeps recording in the background while your phone's in your pocket β’ Smart idle auto-stop that always confirms β it never ends a track silently FIND YOUR WAY BACK Slide the map up mid-track and watch your route draw itself behind you. A heading marker shows which way you're facing and a compass gives you the bearing, so retracing your steps means turning around and following the line back to the flag. β’ Your route drawn live, from the start flag to right now β’ Heading marker and compass bearing for backtracking β’ Heading-up mode turns the map as you turn β’ Street or satellite, with your elevation still on screen EVERY CLIMB, IN DETAIL Open any track for its full elevation profile and the peak Zenith reached. Scrub the chart to trace your position on a route map drawn over real terrain. β’ Scrub-to-trace elevation chart, by distance or time β’ Track history with rollups: total distance, total climb, and your highest point ever β’ A warm, glanceable design that adapts to light and dark β’ Feet and miles or meters and kilometers FREE TO TRACK Real-time elevation tracking, the Live Activity and Dynamic Island, and your recent track history never cost a thing. ZENITH PRO One purchase unlocks the automatic, connected, and unlimited extras β starting with a 7-day free trial: β’ Automatic activity detection β Zenith knows when you're hiking, walking, running, riding, or driving, and labels each track for you β’ Live map with compass β see your route as it happens and find your way back β’ Route maps traced on real terrain, linked to the elevation profile β’ Apple Health export β hikes, walks, runs, and rides saved as workouts with route, distance, and elevation gain (drives stay in the app) β’ Apple Watch app with live heart rate β start, watch, and end tracks from your wrist β’ Unlimited track history Two ways to buy Pro, and either grants every feature. Zenith Pro Yearly is an auto-renewing subscription: 1 year for $9.99 per year, starting with a 7-day free trial. It renews at $9.99/year unless cancelled at least 24 hours before the period ends, and you can manage or cancel it anytime in your Apple Account settings. Zenith Pro Lifetime is a one-time $24.99 purchase β not a subscription, nothing renews. Payment is charged to your Apple Account at confirmation of purchase. Zenith reads elevation on-device β your tracks stay on your iPhone unless you export them to Apple Health. Move. Glance. Climb. β Support: https://zenithelevation.app/support Privacy Policy: https://zenithelevation.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
Cadlo and Zenith are too close to call on the numbers: across 5 compared parameters β price, ads, in-app purchases and device support among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Cadlo sells 2 in-app purchases, starting at $3.99 per month and Zenith sells 2 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.
| Parameter | Cadlo | Zenith |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days | β |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 18.0 | 18.0 |
| Further details β not scored | ||
| Size | 8 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | INSIGHTIQ | Steve Smith |
In-app purchases
Cadlo
- Cadlo Pro β Monthly7 Days trial$3.991 Month
- Cadlo Pro β Yearly7 Days trial$22.991 Year
Zenith
- Zenith Pro Yearly7 Days trial$9.991 Year
- Zenith Pro Lifetime$24.99









