# i vs Elma Moisture

The clearest difference is update cadence: i at fortnightly against Elma Moisture's every 6 weeks. 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.

i ships an update fortnightly, Elma Moisture every 6 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | i | Elma Moisture |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Size | 5 MB | 16 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Robo Electronics co., Ltd.](https://appshunter.io/developer/1232651973) | [Elma Instruments A/S](https://appshunter.io/developer/1271661766) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-dothermometer/id1546064427)

**Features:** macOS Compatibility

**In-app purchases:** none


### Elma Moisture

[App page](https://appshunter.io/ios/app/elma-moisture/id6755131289)

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is Elma Moisture free?

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

### Do i or Elma Moisture have ads?

Neither i nor Elma Moisture shows ads.

### Which is updated more often, i or Elma Moisture?

i ships an update fortnightly, and Elma Moisture every 6 weeks. Most recently, i was updated on October 27, 2026 and Elma Moisture on October 28, 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.*