# iDoTec App vs Authenticator

The clearest difference is in-app purchases: iDoTec App at none against Authenticator's 4. Authenticator's advantage is update cadence (daily vs every 37 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Authenticator sells 4 in-app purchases, starting at $6.99 per 7 days. iDoTec App asks for nothing beyond the download.

iDoTec App ships an update every 37 months, Authenticator daily. The most recent releases landed on October 12, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | iDoTec App | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (6 ratings)](https://appshunter.io/ios/app/authenticator-otp-security/id6736878953/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 37 months | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 34 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Just An App](https://appshunter.io/developer/501119922) | [Toni Pessey](https://appshunter.io/developer/1775740925) |

## What reviewers say

### iDoTec App

[App page](https://appshunter.io/ios/app/idotec-app/id1532375046)

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-otp-security/id6736878953)

This app enhances account security by generating time-based, one-time passwords for two-factor authentication. It works offline and supports multiple accounts for emails, social media, and banking.

**Highlights:** Time-based one-time password generation, Offline code generation, Supports multiple accounts, Unlimited code generation (subscription), Multi-device sync (subscription), Cloud backup (subscription)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| authenticatorWeekTrial | $6.99 | per 7 days |
| authenticatorMonth | $19.99 | per month |
| authenticatorYear | $49.99 | per year |
| authenticatorLifeTime | $49.99 | one-time |


## Frequently asked questions

### Is iDoTec App free?

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

### Is Authenticator free?

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

### Do iDoTec App or Authenticator have ads?

Neither iDoTec App nor Authenticator shows ads.

### Which is updated more often, iDoTec App or Authenticator?

iDoTec App ships an update every 37 months, and Authenticator daily. Most recently, iDoTec App was updated on October 12, 2026 and Authenticator on September 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*