# Wastewater Operator Prep vs Fruit Timer

The clearest difference is update cadence: Wastewater Operator Prep at every 3 weeks against Fruit Timer's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Wastewater Operator Prep sells 2 in-app purchases, starting at $5.99 per 7 days and Fruit Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Wastewater Operator Prep ships an update every 3 weeks, Fruit Timer every 6 weeks. The most recent releases landed on September 26, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Wastewater Operator Prep | Fruit Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wastewater-operator-prep-exam/id6789188108/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 16 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hermes Inteligencia Digital Ltda](https://appshunter.io/developer/1896694873) | [AKIHIRO OHNO](https://appshunter.io/developer/6795539483) |

## What reviewers say

### Wastewater Operator Prep

[App page](https://appshunter.io/ios/app/wastewater-operator-prep-exam/id6789188108)

Prepare for your wastewater operator certification exam with extensive practice questions and detailed explanations. This app covers all treatment processes and offers personalized study plans, timed modes, and progress tracking to boost your confidence and understanding.

**Highlights:** 1,027 practice questions, Detailed explanations for each answer, Full treatment process coverage, Personalized daily study plans, Timed practice modes, Progress tracking and pass probability

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wastewater Prep Weekly | $5.99 | per 7 days |
| Wastewater Prep Monthly | $14.99 | per month |


### Fruit Timer

[App page](https://appshunter.io/ios/app/fruit-timer/id6795539481)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support the developer | $0.49 | one-time |


## Frequently asked questions

### Is Wastewater Operator Prep free?

Wastewater Operator Prep is free to download, with in-app purchases available.

### Is Fruit Timer free?

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

### Do Wastewater Operator Prep or Fruit Timer have ads?

Neither Wastewater Operator Prep nor Fruit Timer shows ads.

### Which is updated more often, Wastewater Operator Prep or Fruit Timer?

Wastewater Operator Prep ships an update every 3 weeks, and Fruit Timer every 6 weeks. Most recently, Wastewater Operator Prep was updated on September 26, 2026 and Fruit Timer on October 4, 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.*