# LadderTouchLite vs Programmer Calculator

LadderTouchLite and Programmer Calculator both sit at 4.7 stars, but that hides the real split: 88% of LadderTouchLite's written reviews are positive against 42% of Programmer Calculator's. LadderTouchLite also leads on in-app purchases (none vs 3) and ratings volume (226 vs 32). Programmer Calculator's advantage is update cadence (fortnightly vs every 2 months). On price, rating, ads and device support there is nothing between them.

Both are free to download. Programmer Calculator sells 3 one-off in-app purchases. LadderTouchLite asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for LadderTouchLite against 4.6 for Programmer Calculator. That said, the two scores are not equally well evidenced: LadderTouchLite has 226 ratings behind it against 32, so its average is the more settled of the two. Written reviews are what separate them: 88% of LadderTouchLite's written reviews are positive against 42% of Programmer Calculator's.

LadderTouchLite ships an update every 2 months, Programmer Calculator fortnightly. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | LadderTouchLite | Programmer Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (226 ratings)](https://appshunter.io/ios/app/laddertouchlite/id405695274/reviews)** | [4.6 (32 ratings)](https://appshunter.io/ios/app/programmer-calculator-dev/id1624892520/reviews) |
| Number of ratings | **226** | 32 |
| Positive reviews | **88.5% of reviews** | 42.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 5 MB |
| Requires iOS | 15.5 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Motonari Hibi](https://appshunter.io/developer/386737172) | [永超 侯](https://appshunter.io/developer/906391544) |

## What reviewers say

### LadderTouchLite

[App page](https://appshunter.io/ios/app/laddertouchlite/id405695274)

Learn the fundamentals of ladder logic, a graphical programming language, through interactive examples and quizzes. This app allows you to explore its mechanisms and test your comprehension with prepared exercises.

**Highlights:** Learn ladder logic basics, Execute prepared sample programs, Test understanding with questions, Control input signals, Utilize virtual outputs and internal memory, Configure timers and counters

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

**In-app purchases:** none


### Programmer Calculator

[App page](https://appshunter.io/ios/app/programmer-calculator-dev/id1624892520)

This tool assists developers with number base conversions and CRC calculations for strings and hex bytes. Additional features are planned for future updates.

**Highlights:** Number base conversion, CRC calculation, String to hex conversion, Hex byte CRC calculation, Developer support tool

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A coke | $0.99 | one-time |
| A cup of coffee | $2.99 | one-time |
| A big meal | $5.99 | one-time |


## Frequently asked questions

### Is LadderTouchLite free?

LadderTouchLite is free to download, with no in-app purchases.

### Is Programmer Calculator free?

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

### Which has better reviews, LadderTouchLite or Programmer Calculator?

LadderTouchLite is rated higher. LadderTouchLite averages 4.7 out of 5 from 226 ratings, while Programmer Calculator averages 4.6 from 32 ratings.

### Do LadderTouchLite or Programmer Calculator have ads?

Neither LadderTouchLite nor Programmer Calculator shows ads.

### Which is updated more often, LadderTouchLite or Programmer Calculator?

LadderTouchLite ships an update every 2 months, and Programmer Calculator fortnightly. Most recently, LadderTouchLite was updated on September 22, 2026 and Programmer Calculator on September 23, 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.*