# ワイヤレス水温計 vs ReefDrift

The clearest difference is in-app purchases: ワイヤレス水温計 at none against ReefDrift's 3. ワイヤレス水温計 also leads on ads (none vs shown) and iOS requirement (8.0 vs 18.2). ReefDrift's advantage is update cadence (every 2 weeks vs every 19 months). On price and device support there is nothing between them.

Both are free to download. ReefDrift sells 3 in-app purchases, starting at $3.99 per month. ワイヤレス水温計 asks for nothing beyond the download.

ワイヤレス水温計 ships an update every 19 months, ReefDrift every 2 weeks. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ワイヤレス水温計 | ReefDrift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 2 weeks** |
| Size | 4 MB | 16 MB |
| Requires iOS | **8.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Step One Limited](https://appshunter.io/developer/646296997) | [Muge Akalin](https://appshunter.io/developer/1701314808) |

## What reviewers say

### ワイヤレス水温計

[App page](https://appshunter.io/ios/app/id1205392977)

**Features:** macOS Compatibility

**In-app purchases:** none


### ReefDrift

[App page](https://appshunter.io/ios/app/reefdrift-reef-parameter-log/id6775145577)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReefDrift Pro Monthly | $3.99 | per month |
| ReefDrift Pro Yearly | $19.99 | per year |
| ReefDrift Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is ワイヤレス水温計 free?

ワイヤレス水温計 is free to download, with no in-app purchases.

### Is ReefDrift free?

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

### Do ワイヤレス水温計 or ReefDrift have ads?

ReefDrift shows ads; ワイヤレス水温計 does not.

### Which is updated more often, ワイヤレス水温計 or ReefDrift?

ワイヤレス水温計 ships an update every 19 months, and ReefDrift every 2 weeks. Most recently, ワイヤレス水温計 was updated on September 30, 2026 and ReefDrift on October 10, 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.*