# BalusterPro vs Stringline

The clearest difference is price: Stringline at Free against BalusterPro's $2.99. Stringline also leads on update cadence (every 2 weeks vs every 2 months). BalusterPro's advantage is in-app purchases (none vs 1) and chart position (#75 vs unranked). On ads and device support there is nothing between them.

Stringline is free to download; BalusterPro costs $2.99 up front. Stringline sells 1 one-off in-app purchase. BalusterPro asks for nothing beyond the download.

BalusterPro ships an update every 2 months, Stringline every 2 weeks. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | BalusterPro | Stringline |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.2 (17 ratings)](https://appshunter.io/ios/app/balusterpro/id304928739/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 83.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Best chart rank | **#75** | — |
| Size | 5 MB | 21 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Greg Gabrio](https://appshunter.io/developer/304928742) | [Hector Sahagun](https://appshunter.io/developer/578020588) |

## What reviewers say

### BalusterPro

[App page](https://appshunter.io/ios/app/balusterpro/id304928739)

**Currently charting:** #75 Top Paid · Utilities (US App Store)

This app simplifies the calculation of baluster spacing for handrails and other projects requiring equal spacing. It allows users to input dimensions and adjust the number of balusters to meet code requirements, displaying precise measurements on one screen.

**Highlights:** Calculate baluster spacing, Input handrail dimensions, Adjust balusters needed slider, View spacing between balusters, Display centers and edges, Select measurement precision (1/16, 1/32, metric, 1/64), Audio output of measurements

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Time saver for calculations
- 👍 Easy to use for baluster spacing
- ✅ Accurate results
- 🛠️ Versatile for various projects (wainscoting, beams, etc.)
- 💰 Makes money by saving time

**What reviewers complain about**

- ⚠️ Limited angle range (40 degrees)
- 🐌 App is slow
- 튕 Kicks out randomly
- 🔢 Metric input only whole numbers
- 🚫 No option to start with center baluster

**Reported bugs**

- App kicks you out randomly
- App crashes when tapping view tab
- App crashes when clicking on flat run balisters attached

**Requested features**

- Allow angles past 40 degrees
- Loosen angle tolerance
- Update the app
- Add visualization tool
- Option to start with a center baluster


### Stringline

[App page](https://appshunter.io/ios/app/stringline-construction-calc/id6760807845)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stringline Pro | $2.99 | one-time |


## Frequently asked questions

### Is BalusterPro free?

BalusterPro costs $2.99, with no in-app purchases.

### Is Stringline free?

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

### Do BalusterPro or Stringline have ads?

Neither BalusterPro nor Stringline shows ads.

### Which is updated more often, BalusterPro or Stringline?

BalusterPro ships an update every 2 months, and Stringline every 2 weeks. Most recently, BalusterPro was updated on October 11, 2026 and Stringline on October 1, 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.*