# STJ Autoroller vs CalcPlus

The clearest difference is in-app purchases: STJ Autoroller at none against CalcPlus's 1. STJ Autoroller also leads on iOS requirement (12.0 vs 15.0). CalcPlus's advantage is update cadence (fortnightly vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. CalcPlus sells 1 one-off in-app purchase. STJ Autoroller asks for nothing beyond the download.

STJ Autoroller ships an update every 7 months, CalcPlus fortnightly. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | STJ Autoroller | CalcPlus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calcplus-hidden-notes/id6744618485/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 1 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Assa](https://appshunter.io/developer/997308095) | [Wildcatter LLC](https://appshunter.io/developer/1229934042) |

## What reviewers say

### STJ Autoroller

[App page](https://appshunter.io/ios/app/stj-autoroller/id1637116169)

**Features:** macOS Compatibility

**In-app purchases:** none


### CalcPlus

[App page](https://appshunter.io/ios/app/calcplus-hidden-notes/id6744618485)

This app combines a fully functional calculator with a secure, encrypted notes system. Store sensitive information like crypto wallet phrases and passwords locally and offline, protected by a PIN and optional biometric authentication. It offers a discreet interface and prioritizes user privacy with no cloud sync or ads.

**Highlights:** Encrypted local notes storage, Calculator interface, PIN and biometric security, Offline functionality, Customizable themes and app icons, Auto-wipe on failed attempts

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcPlus Pro | $9.99 | one-time |


## Frequently asked questions

### Is STJ Autoroller free?

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

### Is CalcPlus free?

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

### Do STJ Autoroller or CalcPlus have ads?

Neither STJ Autoroller nor CalcPlus shows ads.

### Which is updated more often, STJ Autoroller or CalcPlus?

STJ Autoroller ships an update every 7 months, and CalcPlus fortnightly. Most recently, STJ Autoroller was updated on October 11, 2026 and CalcPlus on October 2, 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.*