# Decibel Sir vs Lotto Number Mate

The clearest difference is in-app purchases: Decibel Sir at none against Lotto Number Mate's 1. Decibel Sir also leads on ads (none vs shown) and iOS requirement (8.0 vs 15.1). Lotto Number Mate's advantage is update cadence (every 10 days vs every 33 months). On price and device support there is nothing between them.

Both are free to download. Lotto Number Mate sells 1 one-off in-app purchase. Decibel Sir asks for nothing beyond the download.

Decibel Sir ships an update every 33 months, Lotto Number Mate every 10 days. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Decibel Sir | Lotto Number Mate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 33 months | **Every 10 days** |
| Size | 13 MB | 52 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WonderfulCode](https://appshunter.io/developer/545115773) | [junehong kim](https://appshunter.io/developer/1864328124) |

## What reviewers say

### Decibel Sir

[App page](https://appshunter.io/ios/app/decibel-sir/id935608173)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lotto Number Mate

[App page](https://appshunter.io/ios/app/lotto-number-mate/id6767849708)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LottoNumberMate Premium | $2.99 | one-time |


## Frequently asked questions

### Is Decibel Sir free?

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

### Is Lotto Number Mate free?

Lotto Number Mate is free to download, with in-app purchases available.

### Do Decibel Sir or Lotto Number Mate have ads?

Lotto Number Mate shows ads; Decibel Sir does not.

### Which is updated more often, Decibel Sir or Lotto Number Mate?

Decibel Sir ships an update every 33 months, and Lotto Number Mate every 10 days. Most recently, Decibel Sir was updated on October 6, 2026 and Lotto Number Mate on October 7, 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.*