HARD vs Diveplanner Tec & Rec
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HARD
This app syncs with smart devices to track daily activity like steps, distance, and calories. It also monitors heart rate, sleep patterns, and records exercise routes. Receive reminders for messages, alarms, and hydration.
- Activity tracking (steps, distance, calories)
- Exercise recording with GPS tracking
- Heart rate monitoring and analysis
- Sleep pattern analysis
- Message and reminder notifications
- HealthKit integration
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Recording activity: When you wear smart device to sync to APP, you can accurately record your steps, distance and calories burned, historical sleep statistics, and heart rate statistics for the day. Record exercise: When you are connected to the app after the smart device is turned on, you can accurately record the pace, time, distance and movement track of each historical exercise, and improve the effect of running and walking. Heart Rate Monitoring: Use smart device synchronization to analyze heart rate charts in your application. Includes a chart of historical heart rate data, a chart comparison of the maximum heart rate data for a week, and a 24-hour average data graph to see changes in your heart rate interval at any time. To manage stress and exercise effects. Sleep monitoring: Use smart devices to monitor the time of waking, light sleep and deep sleep every night. After synchronizing APP, you can count historical sleep data and analyze the comparison of sleep patterns over the past 7 days. Message reminder: When you wear the bracelet and sync with the app, you can choose to open the message push, alarm reminder, sedentary reminder, drink water reminder to the bracelet in the app. In order to achieve a regular life. **Precautions:** 1.The sports function uses GPS positioning.Running the GPS function continuously in the background may significantly reduce the battery power. 2.HARD has been connected to HealthKit, which can sync your step data, sleep data, and exercise data to [Health].
Diveplanner Tec & Rec
Plan technical and recreational scuba dives with detailed gas management, decompression schedules, and contingency planning. This tool helps divers quickly create and share dive plans for various depths and conditions.
- Technical and recreational dive planning
- Multi-gas and CCR dive schedules
- Bühlmann decompression model (ZH16L-C)
- Automatic contingency plans
- Gas requirement and weight calculation
- Dive table generation
- Metric and Imperial units
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Diveplanner Tec & Rec plans recreational and technical dives, on open circuit or closed circuit rebreather (CCR), in a few taps, and keeps your logbook. PLAN • Bühlmann ZH-L16C decompression model with your gradient factors • Open circuit and CCR, down to 300 m / 985 ft, in salt, fresh or EN 13319 water, at sea level or at altitude • Multi-level dives, multi-gas decompression with automatic or chosen switch depths • Contingency plans computed for you: deeper, longer, lost deco gas, GF 100 and the CCR bailout • Warnings for ppO2, END, gas density, isobaric counter diffusion, CNS and OTU • The decompression chart of each plan: the profile, the tissues' ceilings at GF 100 and at your gradient factors, the leading tissue • A dive day of as many repetitive dives as you need, with their surface intervals • Saved plans in folders, shared as files GAS • Describe your cylinders: the plan gives the pressure at the end of the dive, the turn pressure, the rock bottom and the maximum bottom time your gas allows • Gas needed by volume and weight, per gas TABLES • Dive tables by depth and bottom time for your own gases, gradient factors and conditions, with the previous dives of the day • Share or print the table as a PDF TOOLS • Gas blender: partial pressure blending of nitrox, trimix and heliox from what is left in the cylinder, ideal or real gas; the best mix for a depth from your ppO2, END and gas density limits, and the cylinder label • Tides: the tide of a day anywhere at sea, from the nearest NOAA tide station or the EOT20 global tide model, its high and low waters, and the tidal currents and slack waters of a nearby current station, read to the minute on the chart LOGBOOK • Log your dives by hand, from a plan, or download them over Bluetooth from a Shearwater dive computer (Petrel 2, Perdix, Perdix AI, Nerd 2, Teric, Peregrine), with the profile, stops, gases and sensor values • Photos, dive sites on a map, statistics, tags, search and filters • Synchronised between your iPhone, iPad and Mac with iCloud • Export to UDDF, Subsurface, CSV, a PDF logbook and .divelog archives; import UDDF and Subsurface SHARE • Ready-to-cut dive schedules as a PDF, for your buddy or your slate: every plan, the gas and cylinders, CNS, OTU and warnings EVERYWHERE • iPhone, iPad and Mac • Metric or imperial units • In 12 languages, each with its user guide LICENCES • Rec, free: one gas, air or nitrox up to 40 %, down to 66 m / 210 ft • Tec Basic: up to 3 gases, nitrox up to 100 %, normoxic trimix and triox • Tec Advanced: unlimited gases and depth, hypoxic trimix • Try every feature free for 2 weeks Diveplanner is a planning aid. It does not replace training, experience, a dive computer or your own judgement: always dive within the limits of your certification.
Screenshots
Verdict
The clearest difference is in-app purchases: HARD at none against Diveplanner Tec & Rec's 3. HARD also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (11.0 vs 17.0). Diveplanner Tec & Rec's advantage is review sentiment (33% vs 14%). On price, rating, ratings volume and ads 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
Both are free to download. Diveplanner Tec & Rec sells 3 one-off in-app purchases. HARD asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 3.0 for HARD against 3.1 for Diveplanner Tec & Rec. Both are backed by a comparable volume of ratings — 6 and 7 respectively. Written reviews are what separate them: 14% of HARD's written reviews are positive against 33% of Diveplanner Tec & Rec's.
HARD ships an update fortnightly, Diveplanner Tec & Rec every 3 months. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.
| Parameter | HARD | Diveplanner Tec & Rec |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (6 ratings) | 3.1 (7 ratings) — better |
| Positive reviews | 13.9% of reviews | 33.3% of reviews — better |
| Number of ratings | 6 | 7 — better |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 181 MB | 83 MB |
| Age rating | 4+ | 4+ |
| Developer | Qianhai Walnut Technology Co.,Ltd | Sensetrails LLC |
Customer experience
HARD
Diveplanner Tec & Rec
In-app purchases
HARD
No in-app purchases
Diveplanner Tec & Rec
- Two weeks free trialFree
- Tec Basic$7.99
- Tec Advanced$19.99









