Ballistic vs Buoyancy Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ballistic
This advanced ballistics calculator provides precise trajectory calculations for serious shooters. It accounts for atmospheric conditions, Coriolis effect, and gyroscopic spin, offering a comprehensive tool for hunting and range practice with extensive projectile data and a rangefinder.
- Advanced ballistics calculations
- Atmospheric condition adjustments
- Coriolis effect and gyroscopic spin
- Extensive projectile and load library
- Rangefinder and range log
- Heads-up display
- 3D trajectory imaging
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Features & Functionality Modernized User Interface • Clean, contemporary design • Improved visual hierarchy • Faster access to critical shooting data • More intuitive navigation and setup process • Optimized for both novice and experienced shooters Enhanced Data Visualization • Improved readability of charts and shot data • Cleaner presentation of trajectory information • Better organization of environmental and ballistic inputs • Easier interpretation under field conditions Unified HUD & DOPE Chart Experience • HUD Screen and DOPE Chart combined into a single interactive workspace • Real-time trajectory information displayed alongside adjustment data • Environmental updates, elevation, and wind corrections available in one location • Reduced need to toggle between screens Streamlined Navigation • Consolidated data screens • Reduced taps to access critical information • Faster profile management • Improved organization of rifles, loads, and favorites More Personalized Experience • Easier access to saved rifle profiles • Improved load management • Favorites-based menus • Faster retrieval of frequently used configurations
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.
Screenshots
Verdict
The clearest difference is rating: Buoyancy Calc at 3.1 against Ballistic's 1.2. Buoyancy Calc also leads on in-app purchases (none vs 1). Ballistic's advantage is review sentiment (49% vs 40%) and ratings volume (91 vs 25). On price, 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
Both are free to download. Ballistic sells 1 one-off in-app purchase. Buoyancy Calc asks for nothing beyond the download.
Buoyancy Calc holds the better App Store score, 3.1 against 1.2. Both are backed by a comparable volume of ratings — 91 and 25 respectively. Written reviews complicate that: 49% of Ballistic's written reviews are positive against 40% of Buoyancy Calc's, so the app with the better star average is not the one people write more warmly about.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Ballistic | Buoyancy Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 1.2 (91 ratings) | 3.1 (25 ratings) — better |
| Positive reviews | 48.8% of reviews — better | 40.0% of reviews |
| Number of ratings | 91 — better | 25 |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15 — better | 15.6 |
| Further details — not scored | ||
| Size | 24 MB | 1 MB |
| Age rating | 17+ | 4+ |
| Developer | Federal Premium Ammunition | Eric Hamiter |
Customer experience
Ballistic
Buoyancy Calc
Bugs and requests
Ballistic
Reported bugs
3 issues- Windage values change unexpectedly when adjusting max range
- Favorites and target data being lost or inaccessible
- App crashing when trying to use certain features
Requested features
6 requests- Add support for newer calibers and loads
- Improve user interface and navigation
- Implement better data syncing and backup options
- Provide more detailed instructions and tutorials
- Add support for metric units
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- Integrate with external devices (e.g., Kestrel)
Buoyancy Calc
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Ballistic
- Kestrel LiNK$9.99
Buoyancy Calc
No in-app purchases









