# RealMark vs TOTP Authenticator

The clearest difference is in-app purchases: RealMark at none against TOTP Authenticator's 3. RealMark also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. TOTP Authenticator sells 3 in-app purchases, starting at $1.49 per month. RealMark asks for nothing beyond the download.

RealMark ships an update weekly, TOTP Authenticator every 8 days. Both last shipped on September 28, 2026.

## The numbers

| Metric | RealMark | TOTP Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 8 days |
| Size | 74 MB | 73 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [nathan vidonne](https://appshunter.io/developer/1833830824) | [COGNIFLY LTD](https://appshunter.io/developer/1808620132) |

## What reviewers say

### RealMark

[App page](https://appshunter.io/ios/app/realmark/id6758921314)

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

**In-app purchases:** none


### TOTP Authenticator

[App page](https://appshunter.io/ios/app/totp-authenticator-2fa/id6804706587)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.49 | per month |
| Annual Premium | $11.99 | per year |
| Lifetime Premium | $24.99 | one-time |


## Frequently asked questions

### Is RealMark free?

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

### Is TOTP Authenticator free?

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

### Do RealMark or TOTP Authenticator have ads?

Neither RealMark nor TOTP Authenticator shows ads.

### Which is updated more often, RealMark or TOTP Authenticator?

RealMark ships an update weekly, and TOTP Authenticator every 8 days. Most recently, RealMark was updated on September 28, 2026 and TOTP Authenticator on September 28, 2026.

---

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