# OnRelay vs LeakageMath

The clearest difference is update cadence: OnRelay at every 3 weeks against LeakageMath's every 52 months. LeakageMath's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OnRelay ships an update every 3 weeks, LeakageMath every 52 months. The most recent releases landed on June 12, 2026 and December 27, 2025 respectively.

## The numbers

| Metric | OnRelay | LeakageMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/onrelay/id976971765/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 52 months |
| Monetization | Free | — |
| Size | 10 MB | 4 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OR Inc](https://appshunter.io/developer/687764706) | [ComSonics, Inc.](https://appshunter.io/developer/489593509) |

## What reviewers say

### OnRelay

[App page](https://appshunter.io/ios/app/onrelay/id976971765)

This business phone service allows you to manage your company's mainline calls and use your business phone numbers directly from your smartphone. It eliminates the need for traditional desk phones and on-premises hardware, offering features like auto attendants and call transfers. Seamlessly separate business and personal calls while enabling texting and instant messaging.

**Highlights:** Use business phone numbers on smartphone, Manage company mainline calls, Auto attendant and call transfers, Separate business and personal calls, Texting and instant messaging, Works over any carrier, not VoIP

**In-app purchases:** none


### LeakageMath

[App page](https://appshunter.io/ios/app/leakagemath/id1035327093)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OnRelay free?

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

### Is LeakageMath free?

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

### Do OnRelay or LeakageMath have ads?

Neither OnRelay nor LeakageMath shows ads.

### Which is updated more often, OnRelay or LeakageMath?

OnRelay ships an update every 3 weeks, and LeakageMath every 52 months. Most recently, OnRelay was updated on June 12, 2026 and LeakageMath on December 27, 2025.

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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.*