# eFace Auth vs my16c

The clearest difference is in-app purchases: eFace Auth at none against my16c's 1. eFace Auth also leads on iOS requirement (13.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. my16c sells 1 one-off in-app purchase. eFace Auth asks for nothing beyond the download.

## The numbers

| Metric | eFace Auth | my16c |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 9 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [SkimProt Ltd.](https://appshunter.io/developer/1507981256) | [Miroslav Perovic](https://appshunter.io/developer/400748424) |

## What reviewers say

### eFace Auth

[App page](https://appshunter.io/ios/app/eface-auth/id1532238542)

**Features:** macOS Compatibility

**In-app purchases:** none


### my16c

[App page](https://appshunter.io/ios/app/my16c/id6762121583)

This app emulates a legendary programmer's calculator from the 1980s, offering cycle-accurate performance and faithful reproduction of its features. It includes base conversions, bit manipulation, RPN, and programmability, with modern conveniences like iCloud sync and a dark interface.

**Highlights:** Cycle-accurate emulation, Full base conversion (HEX, DEC, OCT, BIN), Bit operations, RPN entry, Programmable, Authentic LCD display, Word size control

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full App | $9.99 | one-time |


## Frequently asked questions

### Is eFace Auth free?

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

### Is my16c free?

my16c is free to download, with in-app purchases available.

### Do eFace Auth or my16c have ads?

Neither eFace Auth nor my16c shows ads.

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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.*