Buoyancy Calc vs Wazo Shift
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Buoyancy Calc
Calculate the optimal weight for scuba diving based on environmental factors. Input your weight, water type, tank, and exposure suit to get a suggested weight for neutral buoyancy.
- Calculate suggested diving weight
- Adjust for water type
- Adjust for tank type
- Adjust for exposure suit
- Supports pounds and kilograms
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Quickly find out the suggested weight you should add when scuba diving in different environments. Based on PADI's Peak Performance Buoyancy basic weighting guideline*. Enter your weight in pounds or kilograms, and additionally set the type of water, tank, and exposure suit to dial in a suggested amount of weight to help keep you neutrally buoyant. *Note that this app and the developer are not officially a representative of PADI. This app will give the user a good estimate of the weight needed for the environment selected, but there are always adjustments needed to achieve peak performance, based on gender, physique, exposure suit age, accessories, etc.
Wazo Shift
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Wazo Shift brings your business phone line, team chat and voicemail into one app built around people, not channels. Every call, message and voicemail with a colleague or a customer lands in the same conversation, so you have the full context before you reply. One search bar finds people, past conversations and your company directory. Wazo Shift is the mobile app of the Wazo Unified Communications platform, made for businesses that need their team reachable wherever they work. WHAT YOU CAN DO • Keep work and personal apart: call and answer on your business number without sharing your personal one • Handle calls like a desk phone: hold, mute, switch between two calls, merge them into a conference • Transfer a call directly, or talk to your colleague first before handing it over • Turn a voice call into a video call, and back • Move a live call between devices: take over on your phone a call started on your computer, without hanging up • Chat with colleagues, with every message next to your call history • Listen to your voicemail in the app and see what is new at a glance • See who is available, and set your own status: Available, Do Not Disturb or Invisible • Find anyone fast: company directory, personal contacts and phone contacts in one search • Pin favorites and the conversations you need to follow up on • Take notes during a call, and record it when you need to • Manage call forwarding, Do Not Disturb, blocked numbers and the caller ID you display READY WHEN A CALL COMES IN • Calls ring even when the app is closed or your phone is locked • Sign in with your company account, including single sign-on, and unlock with biometrics Wazo Shift is part of the Wazo Enterprise Unified Communication solution. For more information, contact us!
Screenshots
Verdict
The clearest difference is update cadence: Wazo Shift at every 2 days against Buoyancy Calc's every 3 months. Buoyancy Calc's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases 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.
Buoyancy Calc ships an update every 3 months, Wazo Shift every 2 days. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.
| Parameter | Buoyancy Calc | Wazo Shift |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (25 ratings) — better | — |
| Positive reviews | 40.0% of reviews | — |
| Number of ratings | 25 — better | — |
| Update frequency | Every 3 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Eric Hamiter | Wazo Communication Inc |
In-app purchases
Buoyancy Calc
No in-app purchases
Wazo Shift
No in-app purchases









