Comparison

HeatSafe vs Barometer on‑Wrist

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

HeatSafe

Features
Read full description

HeatSafe is a real-time heat stress management app built for outdoor and indoor work crews — and sports teams. Using hyper-local weather data, HeatSafe automatically calculates the current heat risk level and sends alerts to workers, athletes, and supervisors when thresholds are crossed — no personal weather station required. For workers: Get your current heat category, recommended work/rest cycles, and hydration reminders in your pocket. Log breaks and water intake with one tap; everything syncs automatically to your compliance record. For managers, foremen & coaches: See real-time risk status, break compliance, and hydration levels for every team member. One dashboard shows who's on track and who needs attention. Export audit-ready reports with a single click. Fully customizable to your operation: Start with NIOSH defaults (free tier) or build your own heat categories, work/rest ratios, and PPE offsets (paid plans) Input workload intensity and PPE type — the app adjusts safety recommendations automatically Set up your team, assign roles, and track acclimatization schedules for new and returning workers Align with your company's heat policy, state regulations, association requirements, or industry standards in minutes Ready for OSHA compliance & athletic association standards: HeatSafe is purpose-built to meet the proposed OSHA Heat Injury and Illness Prevention standard and state athletic association heat regulations. Your compliance data is logged automatically as work and training happen, so inspectors and compliance officers see a complete, timestamped record. Privacy Policy: https://getheatsafe.com/privacy-policy Terms of Use (EULA): https://getheatsafe.com/terms-of-use

About

Barometer on‑Wrist

Features
Read full description

Feature Highlights Dual‑display Barometer & Altimeter All‑in‑One ‑ Shows real‑time barometric pressure and altitude simultaneously, no need to switch between multiple apps. ‑ Dual pressure readout: raw sensor value from Apple Watch and ISA standard pressure calculated by altitude. Ripple background animation visualizes pressure level intuitively. ‑ Displays weather symbol alerts when rapid short‑term barometric changes suggest possible weather shifts (for reference only). ‑ Merges Watch‑built‑in altitude and GPS altitude. Fine pressure variations dynamically calibrate altitude for higher precision. ‑ Records pressure & altitude changes, visualized with numbers and scales. Long‑tap the change value to reset. ‑ Auto‑calibration triggers when deviation against system altitude becomes large, balancing overall accuracy and sensitivity to subtle variations. ‑ Tap pressure value to toggle units: hPa, inHg, mmHg. Altitude supports meters / feet. Rich Watch Face Complications ‑ Circular complications for pressure and altitude for quick glance. ‑ Stack‑able rectangular complication tracks 24‑hour pressure‑altitude trends with current readings. Keep it on watch face to enable continuous logging.

Screenshots

HeatSafe4 screens

Verdict

The call

The clearest difference is price: HeatSafe at Free against Barometer on‑Wrist's $0.99. HeatSafe also leads on iOS requirement (15.1 vs 26.0). Barometer on‑Wrist's advantage is in-app purchases (none vs 7). On update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

HeatSafe is free to download; Barometer on‑Wrist costs $0.99 up front. HeatSafe sells 7 in-app purchases, starting at $4.99 per month. Barometer on‑Wrist asks for nothing beyond the download.

UpkeepUpdate frequency

HeatSafe ships an update every 9 days, Barometer on‑Wrist every 2 weeks. The most recent releases landed on October 29, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 3 level
HeatSafe versus Barometer on‑Wrist: the parameters behind the verdict, then further details
ParameterHeatSafeBarometer on‑Wrist
PriceFree — better$0.99
Update frequencyEvery 9 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS15.1 — better26.0
Further details — not scored
Size39 MB5 MB
Age rating12+4+
DeveloperMATTHEW ALEXANDER,NASH MCMURTREY晓玮 郭

In-app purchases

7 purchases

HeatSafe

Subscriptions7
  • HeatSafe Single Premium7 Days trial$4.991 Month
  • HeatSafe Company Sub - 5 Users7 Days trial$9.991 Month
  • HeatSafe - Coach Portal7 Days trial$9.991 Month
Show 4 more
  • Company HeatSafe - 10 Users$17.991 Month
  • HeatSafe Company 20 Users$29.991 Month
  • HeatSafe Company 50 Users$59.991 Month
  • HeatSafe Company 100 Users$99.991 Month
None

Barometer on‑Wrist

No in-app purchases

Questions

Is HeatSafe free?
HeatSafe is free to download, with in-app purchases available.
Is Barometer on‑Wrist free?
Barometer on‑Wrist costs $0.99, with no in-app purchases.
Do HeatSafe or Barometer on‑Wrist have ads?
Neither HeatSafe nor Barometer on‑Wrist shows ads.
Which is updated more often, HeatSafe or Barometer on‑Wrist?
HeatSafe ships an update every 9 days, and Barometer on‑Wrist every 2 weeks. Most recently, HeatSafe was updated on October 29, 2026 and Barometer on‑Wrist on November 3, 2026.

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