# ShekelCalc vs Java Self Drive Investor

The clearest difference is update cadence: Java Self Drive Investor at every 4 weeks against ShekelCalc's every 5 months. ShekelCalc's advantage is iOS requirement (7.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ShekelCalc ships an update every 5 months, Java Self Drive Investor every 4 weeks. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ShekelCalc | Java Self Drive Investor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (3 ratings)](https://appshunter.io/ios/app/shekelcalc/id335513744/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 10 MB | 41 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [P.D.A.C. Technologies ltd.](https://appshunter.io/developer/335513747) | [Java Orient Kenya Limited](https://appshunter.io/developer/1635279407) |

## What reviewers say

### ShekelCalc

[App page](https://appshunter.io/ios/app/shekelcalc/id335513744)

This calculator app offers standard mathematical functions and real-time currency conversions using official exchange rates. It's designed for ease of use by both professional and private users.

**Highlights:** Basic math operations, Real-time currency conversion, Bank of Israel exchange rates, One-click conversions, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Java Self Drive Investor

[App page](https://appshunter.io/ios/app/java-self-drive-investor/id6444718544)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ShekelCalc free?

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

### Is Java Self Drive Investor free?

Java Self Drive Investor is free to download, with no in-app purchases.

### Do ShekelCalc or Java Self Drive Investor have ads?

Neither ShekelCalc nor Java Self Drive Investor shows ads.

### Which is updated more often, ShekelCalc or Java Self Drive Investor?

ShekelCalc ships an update every 5 months, and Java Self Drive Investor every 4 weeks. Most recently, ShekelCalc was updated on October 6, 2026 and Java Self Drive Investor on October 7, 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.*