# Prodify vs Fishtank

The clearest difference is in-app purchases: Prodify at none against Fishtank's 4. Prodify also leads on ratings volume (12 vs 4) and iOS requirement (11.0 vs 18.2). Fishtank's advantage is update cadence (every 4 days vs every 6 weeks). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Fishtank sells 4 one-off in-app purchases. Prodify asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Prodify against 5.0 for Fishtank. Both are backed by a comparable volume of ratings — 12 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Prodify ships an update every 6 weeks, Fishtank every 4 days. The most recent releases landed on September 13, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Prodify | Fishtank |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (12 ratings)](https://appshunter.io/ios/app/prodify/id6474118247/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/fishtank-focus-app/id6747935306/reviews) |
| Number of ratings | **12** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 118 MB | 5 MB |
| Requires iOS | **11.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hongyun Yang](https://appshunter.io/developer/1720696265) | [Jiajun Zhang](https://appshunter.io/developer/1819165423) |

## What reviewers say

### Prodify

[App page](https://appshunter.io/ios/app/prodify/id6474118247)

Boost your productivity and organization with this task management tool. It helps you track daily tasks, set timers for work segments, and remove procrastination habits. Features include task scheduling, detailed notes, and recurring task options.

**Highlights:** Add tasks with dates and times, Detailed notes within tasks, Manage task status, Free-form to-do list notes, Task-specific timers, Recurring tasks, Alarms and reminders

**In-app purchases:** none


### Fishtank

[App page](https://appshunter.io/ios/app/fishtank-focus-app/id6747935306)

Enhance your concentration with a unique approach to productivity. This app gamifies focus sessions, allowing you to build a virtual aquarium filled with discovered fish. Earn rewards and track your progress as you stay on task.

**Highlights:** Customizable focus session lengths, App blocking for distraction prevention, Ambient background options, Progress tracking, Earn mystery lootboxes, Discover and collect rare fish, Virtual aquarium simulation

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Platinum Lootbox | $0.99 | one-time |
| Unlock Backgrounds | $1.99 | one-time |
| Speed Boost | $1.99 | one-time |
| 10x Platinum Lootboxes | $6.99 | one-time |


## Frequently asked questions

### Is Prodify free?

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

### Is Fishtank free?

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

### Which has better reviews, Prodify or Fishtank?

Prodify and Fishtank are both rated 5.0 out of 5 on the App Store, from 12 and 4 ratings respectively.

### Do Prodify or Fishtank have ads?

Neither Prodify nor Fishtank shows ads.

### Which is updated more often, Prodify or Fishtank?

Prodify ships an update every 6 weeks, and Fishtank every 4 days. Most recently, Prodify was updated on September 13, 2026 and Fishtank on June 11, 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.*