# One Time vs Keylet

The clearest difference is in-app purchases: One Time at none against Keylet's 3. One Time also leads on device support (5 vs 2) and iOS requirement (10.0 vs 16.4). Keylet's advantage is update cadence (every 5 days vs every 7 months). On price and ads there is nothing between them.

Both are free to download. Keylet sells 3 in-app purchases, starting at $2.99 per month. One Time asks for nothing beyond the download.

One Time ships an update every 7 months, Keylet every 5 days. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | One Time | Keylet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/one-time-leptos/id1496460996/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 2 MB | 108 MB |
| Requires iOS | **10.0** | 16.4 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Lateef Sanford](https://appshunter.io/developer/1444536190) | [Studio Fifteen](https://appshunter.io/developer/1470310980) |

## What reviewers say

### One Time

[App page](https://appshunter.io/ios/app/one-time-leptos/id1496460996)

Securely store and manage your two-factor authentication tokens using iCloud Keychain. This privacy-focused client supports various token types and generation methods, syncing seamlessly across your Apple devices without needing an extra account.

**Highlights:** Store tokens in iCloud Keychain, Add tokens via QR scanner or URL, Supports TOTP and HOTP, Syncs across iCloud devices, Open source and privacy-focused, Search tokens by issuer or account

**In-app purchases:** none


### Keylet

[App page](https://appshunter.io/ios/app/keylet-2fa-authenticator/id6779371596)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keylet Pro – Monthly | $2.99 | per month |
| Keylet Pro – Yearly | $12.99 | per year |
| Keylet Pro – Lifetime | $44.99 | one-time |


## Frequently asked questions

### Is One Time free?

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

### Is Keylet free?

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

### Do One Time or Keylet have ads?

Neither One Time nor Keylet shows ads.

### Which is updated more often, One Time or Keylet?

One Time ships an update every 7 months, and Keylet every 5 days. Most recently, One Time was updated on October 7, 2026 and Keylet 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.*