# Pentatronics 1000 vs DoAuth

The clearest difference is in-app purchases: Pentatronics 1000 at none against DoAuth's 1. Pentatronics 1000 also leads on iOS requirement (13.3 vs 17.0). DoAuth's advantage is update cadence (every 2 days vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. DoAuth sells 1 in-app purchase, starting at $10.00 per year. Pentatronics 1000 asks for nothing beyond the download.

Pentatronics 1000 ships an update fortnightly, DoAuth every 2 days. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Pentatronics 1000 | DoAuth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/pentatronics-1000/id1506502614/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free | — |
| Size | 1 MB | 8 MB |
| Requires iOS | **13.3** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Paul Novaes](https://appshunter.io/developer/597527233) | [Jan Nahly Do](https://appshunter.io/developer/6798403895) |

## What reviewers say

### Pentatronics 1000

[App page](https://appshunter.io/ios/app/pentatronics-1000/id1506502614)

Experience a faithful re-creation of a legendary gaming calculator from a bygone era. This app brings back the iconic "READY" message and the novelty of having a game on a calculator, blending math with fun, style, and humor.

**Highlights:** Faithful re-creation of a legendary gaming calculator, Iconic "READY" message, Calculator with built-in games, Emphasis on fun, style, and humor, Brings a rare collectible to mobile

**Features:** macOS Compatibility

**In-app purchases:** none


### DoAuth

[App page](https://appshunter.io/ios/app/doauth/id6808760897)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DoAuth Annual | $10.00 | per year |


## Frequently asked questions

### Is Pentatronics 1000 free?

Pentatronics 1000 is free to download, with no in-app purchases.

### Is DoAuth free?

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

### Do Pentatronics 1000 or DoAuth have ads?

Neither Pentatronics 1000 nor DoAuth shows ads.

### Which is updated more often, Pentatronics 1000 or DoAuth?

Pentatronics 1000 ships an update fortnightly, and DoAuth every 2 days. Most recently, Pentatronics 1000 was updated on October 3, 2026 and DoAuth on October 4, 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.*