# Secnum vs Time Concept

The clearest difference is in-app purchases: Time Concept at none against Secnum's 17. Secnum's advantage is update cadence (every 4 months vs every 72 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Secnum sells 12 in-app purchases, starting at $2.99 per month. Time Concept asks for nothing beyond the download.

Secnum ships an update every 4 months, Time Concept every 72 months. The most recent releases landed on October 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Secnum | Time Concept |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (9 ratings)](https://appshunter.io/ios/app/secnum/id1215632082/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 18.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 72 months |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 1 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cellact](https://appshunter.io/developer/1215632081) | [Guy Machluf](https://appshunter.io/developer/1364349618) |

## What reviewers say

### Secnum

[App page](https://appshunter.io/ios/app/secnum/id1215632082)

Get a secondary Israeli mobile number on your existing SIM card for calls and texts. Manage your numbers with features like call forwarding and voicemail transcription. Subscription plans available for SMS and voice minutes.

**Highlights:** Secondary Israeli mobile number, Make and receive calls, Send and receive SMS, Port existing number, Voicemail transcription, Call forwarding, Block list

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Landline Monthly 500 MIN | $2.99 | per month |
| Monthly 500 SMS only | $3.99 | per month |
| Monthly 120 Plan | $4.99 | per month |
| Monthly 120 SMS/MIN | $4.99 | per month |
| Monthly 500 SMS + 500 minutes | $5.49 | per month |
| Monthly Calls & SMS | $6.49 | per month |
| Monthly 1500 SMS/MIN | $6.99 | per month |
| Monthly Calls & SMS | $8.99 | per month |
| Monthly 120 MIN/SMS | $9.99 | per month |
| Monthly 1000 SMS/MIN | $14.99 | per month |
| Premium service for 1 month | $7.99 | one-time |
| Replace current number | $9.99 | one-time |


### Time Concept

[App page](https://appshunter.io/ios/app/time-concept/id1475619059)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Secnum free?

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

### Is Time Concept free?

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

### Do Secnum or Time Concept have ads?

Neither Secnum nor Time Concept shows ads.

### Which is updated more often, Secnum or Time Concept?

Secnum ships an update every 4 months, and Time Concept every 72 months. Most recently, Secnum was updated on October 11, 2026 and Time Concept on September 18, 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.*