# OMC Mobile vs RainLog V2

The clearest difference is in-app purchases: OMC Mobile at none against RainLog V2's 3. OMC Mobile also leads on iOS requirement (15.1 vs 17.0). RainLog V2's advantage is update cadence (weekly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. RainLog V2 sells 3 in-app purchases, starting at $5.99 per year. OMC Mobile asks for nothing beyond the download.

OMC Mobile ships an update every 3 months, RainLog V2 weekly. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | OMC Mobile | RainLog V2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (32 ratings)](https://appshunter.io/ios/app/rainlog-v2-rainfall-tracker/id6740679547/reviews)** |
| Number of ratings | — | **32** |
| Positive reviews | — | 82.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 34 MB | 23 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OMC International Pty Ltd](https://appshunter.io/developer/1604414828) | [Wade Tucker](https://appshunter.io/developer/477968464) |

## What reviewers say

### OMC Mobile

[App page](https://appshunter.io/ios/app/omc-mobile/id1604414826)

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

**In-app purchases:** none


### RainLog V2

[App page](https://appshunter.io/ios/app/rainlog-v2-rainfall-tracker/id6740679547)

Track, analyze, and manage your personal rainfall data with this comprehensive diary and log. It allows for detailed record-keeping, trend monitoring, and comparisons over time, perfect for anyone with a rain gauge.

**Highlights:** Log daily precipitation, iCloud Sync, Flexible units (mm/inches), Monthly graphs and averages, MTD & YTD comparisons, CSV export, Community rain map, Watering & irrigation tracking

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2 Rain Gauges | $5.99 | per year |
| 4 Rain Gauges | $7.99 | per year |
| 8 Rain Gauges | $9.99 | per year |


## Frequently asked questions

### Is OMC Mobile free?

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

### Is RainLog V2 free?

RainLog V2 is free to download, with in-app purchases available.

### Do OMC Mobile or RainLog V2 have ads?

Neither OMC Mobile nor RainLog V2 shows ads.

### Which is updated more often, OMC Mobile or RainLog V2?

OMC Mobile ships an update every 3 months, and RainLog V2 weekly. Most recently, OMC Mobile was updated on October 14, 2026 and RainLog V2 on October 15, 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.*