Surface Air Consumption vs INKBIRD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Surface Air Consumption
This utility calculates surface air consumption (SAC) rates and air needs at depth using only user-provided dive profile data. It does not compute nitrogen absorption or decompression limits. Always prioritize safety and consult official decompression tables.
- Calculates SAC Rate
- Estimates air requirements at depth
- User input based calculations
- Dive profile analysis
- Focuses solely on air consumption
Read full descriptionHide full description
This software calculates Surface Air Consumption (SAC Rate) and air requirements at depth based on user input data ONLY. This software DOES NOT calculate nitrogen absorption and/or decompression limits. Please see US Navy decompression tables for that information. This software only calculates how much air is required based on user entered data and dive profile. Know your limits and dive within them. Always error on the side of safety. Leridian Dynamics, Inc. assumes no liability for the use and/or misuse of this software.
INKBIRD
Transform your home into a smart environment with intuitive controls for appliances and automated adjustments of temperature and humidity. Remotely monitor food temperatures and set custom alarms for optimal cooking, creating a more connected and enjoyable life.
- Smart home appliance control
- Automated temperature and humidity adjustment
- Remote food temperature monitoring
- Customizable temperature alarms
- Family network setup
Read full descriptionHide full description
INKBIRD helps you create a smart home, smart life. We make hard things simple by convenient and fast operation, clear and intuitive interface, considerate and practical functions. Here, you can smartly make home appliances intelligent and automated adjustment of temperature and humidity so as create an optimal environment for your family. Here, you can remotely monitor the food temperature and customize temperature alarms to always cook delicious meals for your family. Here, you can set up a family network of things of your own and experience a more wonderful, more enjoyable life.
Screenshots
Verdict
The clearest difference is review sentiment: Surface Air Consumption at 100% against INKBIRD's 23%. Surface Air Consumption also leads on rating (5.0 vs 3.7) and update cadence (weekly vs fortnightly). INKBIRD's advantage is ratings volume (6.8K vs 2). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Surface Air Consumption holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: INKBIRD has 6.8K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Surface Air Consumption's written reviews are positive against 23% of INKBIRD's.
Surface Air Consumption ships an update weekly, INKBIRD fortnightly. The most recent releases landed on June 1, 2026 and September 26, 2026 respectively.
| Parameter | Surface Air Consumption | INKBIRD |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 3.7 (6.8K ratings) |
| Positive reviews | 100.0% of reviews — better | 23.0% of reviews |
| Number of ratings | 2 | 6.8K — better |
| Update frequency | Weekly — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 13.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 396 MB |
| Age rating | 4+ | 4+ |
| Developer | Leridian Dynamics, Inc. | Shenzhen Inkbird Technology Co. Ltd |
Customer experience
Surface Air Consumption
INKBIRD
Bugs and requests
Surface Air Consumption
Not enough reviews yet to summarise bugs or requests.
INKBIRD
Reported bugs
5 issues- Custom menu names reset after exiting app
- Widgets not working as expected
- Frequent app crashes and disconnections
- Sensor temperature readings inconsistent
- Unable to remove/delete connected devices
Requested features
5 requests- Add dark mode option
- Improve temperature graph functionality
- Allow custom alarm sounds
- Implement low temperature alerts
- Add support for more devices
In-app purchases
Surface Air Consumption
No in-app purchases
INKBIRD
No in-app purchases
