# KDMLink vs 1Time

The clearest difference is in-app purchases: KDMLink at none against 1Time's 5. 1Time's advantage is update cadence (every 3 days vs fortnightly) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. 1Time sells 5 one-off in-app purchases. KDMLink asks for nothing beyond the download.

KDMLink ships an update fortnightly, 1Time every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | KDMLink | 1Time |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/1time-sms-verification/id6782418181/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 89 MB | 59 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [531 Dev](https://appshunter.io/developer/1872418485) | [Valmark LTD](https://appshunter.io/developer/1896013374) |

## What reviewers say

### KDMLink

[App page](https://appshunter.io/ios/app/kdmlink/id6758346077)

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

**In-app purchases:** none


### 1Time

[App page](https://appshunter.io/ios/app/1time-sms-verification/id6782418181)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Credits | $0.49 | one-time |
| 10 Credits | $1.99 | one-time |
| 50 Credits | $3.99 | one-time |
| 250 Credits | $17.99 | one-time |
| 500 Credits | $29.99 | one-time |


## Frequently asked questions

### Is KDMLink free?

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

### Is 1Time free?

1Time is free to download, with in-app purchases available.

### Do KDMLink or 1Time have ads?

Neither KDMLink nor 1Time shows ads.

### Which is updated more often, KDMLink or 1Time?

KDMLink ships an update fortnightly, and 1Time every 3 days. Most recently, KDMLink was updated on October 24, 2026 and 1Time on October 24, 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.*