# TOTP Authenticator vs OnlyBills

The clearest difference is in-app purchases: OnlyBills at none against TOTP Authenticator's 4. TOTP Authenticator's advantage is update cadence (every 2 weeks vs every 5 months) and device support (5 vs 2). On price and ads there is nothing between them.

Both are free to download. TOTP Authenticator sells 4 in-app purchases, starting at $5.99 per 7 days. OnlyBills asks for nothing beyond the download.

TOTP Authenticator ships an update every 2 weeks, OnlyBills every 5 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TOTP Authenticator | OnlyBills |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (182 ratings)](https://appshunter.io/ios/app/totp-authenticator/id1625641322/reviews)** | — |
| Number of ratings | **182** | — |
| Positive reviews | 65.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 33 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sparrow Code LTD](https://appshunter.io/developer/1617623165) | [Kyle O'Sullivan](https://appshunter.io/developer/1810444464) |

## What reviewers say

### TOTP Authenticator

[App page](https://appshunter.io/ios/app/totp-authenticator/id1625641322)

This app generates time-based one-time passwords (TOTP) for enhanced account security. It supports two-factor authentication (2FA) by providing 6-digit codes required by many websites and services for login. The app includes extensive tutorials to guide users through setting up 2FA with various platforms.

**Highlights:** Generates 6-digit TOTP codes, Supports two-factor authentication (2FA), QR code scanning for setup, Manual secret key entry, Over 100 step-by-step setup tutorials, Privacy focused

**Features:** Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TOTP OTP Codes (1 week) | $5.99 | per 7 days |
| TOTP OTP Codes (1 month) | $9.99 | per month |
| TOTP OTP Codes (1 year) | $59.99 | per year |
| Unlimited TOTP OTP Codes | $79.99 | one-time |


### OnlyBills

[App page](https://appshunter.io/ios/app/onlybills/id6754412082)

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

**In-app purchases:** none


## Frequently asked questions

### Is TOTP Authenticator free?

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

### Is OnlyBills free?

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

### Do TOTP Authenticator or OnlyBills have ads?

Neither TOTP Authenticator nor OnlyBills shows ads.

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

TOTP Authenticator ships an update every 2 weeks, and OnlyBills every 5 months. Most recently, TOTP Authenticator was updated on November 3, 2026 and OnlyBills on October 30, 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.*