# isuniYe OTC vs Raindrip

isuniYe OTC and Raindrip are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

isuniYe OTC ships an update every 14 months, Raindrip every 22 months. The most recent releases landed on September 18, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | isuniYe OTC | Raindrip |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (7 ratings)](https://appshunter.io/ios/app/raindrip/id6470370211/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 14 months** | Every 22 months |
| Monetization | — | Free |
| Size | 35 MB | 207 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [iSuniye LLC](https://appshunter.io/developer/1126690445) | [National Diversified Sales, Inc.](https://appshunter.io/developer/510489497) |

## What reviewers say

### isuniYe OTC

[App page](https://appshunter.io/ios/app/isuniye-otc/id1457548524)

**Features:** macOS Compatibility

**In-app purchases:** none


### Raindrip

[App page](https://appshunter.io/ios/app/raindrip/id6470370211)

Control your watering with a smart timer. Create custom schedules and automate adjustments based on weather to save time, money, and water. Compatible with specific models.

**Highlights:** Remote watering control, Customizable schedules, Weather-based adjustments, Water saving automation, Model compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is isuniYe OTC free?

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

### Is Raindrip free?

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

### Do isuniYe OTC or Raindrip have ads?

Neither isuniYe OTC nor Raindrip shows ads.

### Which is updated more often, isuniYe OTC or Raindrip?

isuniYe OTC ships an update every 14 months, and Raindrip every 22 months. Most recently, isuniYe OTC was updated on September 18, 2026 and Raindrip on June 1, 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.*