# Spark vs M19 Lab

The clearest difference is update cadence: Spark at every 3 days against M19 Lab's monthly. Spark also leads on iOS requirement (8.0 vs 14.5). On price, ads, in-app purchases and device support there is nothing between them.

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

Spark ships an update every 3 days, M19 Lab monthly. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Spark | M19 Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Size | 52 MB | 71 MB |
| Requires iOS | **8.0** | 14.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Good Effect](https://appshunter.io/developer/432391844) | [Patel Meet](https://appshunter.io/developer/1553323335) |

## What reviewers say

### Spark

[App page](https://appshunter.io/ios/app/spark-quick-note/id1109857170)

**Features:** macOS Compatibility

**In-app purchases:** none


### M19 Lab

[App page](https://appshunter.io/ios/app/m19-lab/id6466247043)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spark free?

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

### Is M19 Lab free?

M19 Lab is free to download, with no in-app purchases.

### Do Spark or M19 Lab have ads?

Neither Spark nor M19 Lab shows ads.

### Which is updated more often, Spark or M19 Lab?

Spark ships an update every 3 days, and M19 Lab monthly. Most recently, Spark was updated on October 9, 2026 and M19 Lab on October 12, 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.*