# BulletDrop+ vs Caldwell Precision Chronograph

The clearest difference is rating: BulletDrop+ at 3.9 against Caldwell Precision Chronograph's 2.3. BulletDrop+ also leads on review sentiment (51% vs 23%). Caldwell Precision Chronograph's advantage is in-app purchases (none vs 6) and update cadence (monthly vs every 4 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. BulletDrop+ sells 6 one-off in-app purchases. Caldwell Precision Chronograph asks for nothing beyond the download.

BulletDrop+ holds the better App Store score, 3.9 against 2.3. Both are backed by a comparable volume of ratings — 76 and 191 respectively. Written reviews point the same way: 51% of BulletDrop+'s written reviews are positive against 23% of Caldwell Precision Chronograph's.

BulletDrop+ ships an update every 4 months, Caldwell Precision Chronograph monthly. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | BulletDrop+ | Caldwell Precision Chronograph |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (76 ratings)](https://appshunter.io/ios/app/bulletdrop-plus/id477251194/reviews)** | [2.3 (191 ratings)](https://appshunter.io/ios/app/caldwell-precision-chronograph/id659981375/reviews) |
| Number of ratings | 76 | **191** |
| Positive reviews | **51.4% of reviews** | 22.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2 MB | 7 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Mark Descalzo](https://appshunter.io/developer/413617628) | [Battenfeld Technologies Inc](https://appshunter.io/developer/669043365) |

## What reviewers say

### BulletDrop+

[App page](https://appshunter.io/ios/app/bulletdrop-plus/id477251194)

Calculate bullet trajectory, energy, and drift with precise inputs. Store custom loads, fetch weather data, and choose output units for accurate shooting predictions. Ideal for handloaders and shooters to understand cartridge performance.

**Highlights:** External ballistics calculation, iCloud support for load data, Store commonly used datasets, Selectable drag function, Selectable output units (inches, MOA, mils), Fetch weather conditions

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chocolate Bar | $0.99 | one-time |
| Cup of Coffee | $1.99 | one-time |
| Doughnut | $2.99 | one-time |
| Coffee-themed Beverage | $4.99 | one-time |
| Bag of Coffee | $14.99 | one-time |
| Sack of Coffee | $29.99 | one-time |


### Caldwell Precision Chronograph

[App page](https://appshunter.io/ios/app/caldwell-precision-chronograph/id659981375)

This app connects to Caldwell Ballistic Chronographs via serial port or Bluetooth to record and display shot data. It requires specific microphone, camera, and Bluetooth permissions for full functionality on iOS devices.

**Highlights:** Connects via serial port, Connects via Bluetooth (Chrono G2), Records shot data, Displays shot data, Requires microphone access, Requires camera access

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ⭐ Works great
- ⭐ Chronograph functions well
- ⭐ Useful features

**What reviewers complain about**

- 🐛 Compatibility issues with newer iOS versions
- 🐛 App crashes or doesn't open
- 🐛 Connectivity problems with Bluetooth and wired connections
- 🐛 Data loss after app updates
- 🐛 Buggy and unreliable performance

**Reported bugs**

- Doesn't work on iPhone 7 and newer
- Crashes on iOS 16 update
- Bluetooth and wired connections not reliable
- Weather data not working
- App freezes or closes unexpectedly

**Requested features**

- Export data to CSV
- Sync data across devices
- Improve bullet/load data management
- Add more weather/environmental data tracking


## Frequently asked questions

### Is BulletDrop+ free?

BulletDrop+ is free to download, with in-app purchases available.

### Is Caldwell Precision Chronograph free?

Caldwell Precision Chronograph is free to download, with no in-app purchases.

### Which has better reviews, BulletDrop+ or Caldwell Precision Chronograph?

BulletDrop+ is rated higher. BulletDrop+ averages 3.9 out of 5 from 76 ratings, while Caldwell Precision Chronograph averages 2.3 from 191 ratings.

### Do BulletDrop+ or Caldwell Precision Chronograph have ads?

Neither BulletDrop+ nor Caldwell Precision Chronograph shows ads.

### Which is updated more often, BulletDrop+ or Caldwell Precision Chronograph?

BulletDrop+ ships an update every 4 months, and Caldwell Precision Chronograph monthly. Most recently, BulletDrop+ was updated on October 17, 2026 and Caldwell Precision Chronograph on October 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*