# Fish Tank Log vs NextUpReef

The clearest difference is review sentiment: Fish Tank Log at 100% against NextUpReef's 50%. Fish Tank Log also leads on rating (5.0 vs 3.7). NextUpReef's advantage is update cadence (every 4 days vs every 2 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Fish Tank Log sells 3 in-app purchases, starting at $3.99 per month and NextUpReef sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Fish Tank Log holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews point the same way: 100% of Fish Tank Log's written reviews are positive against 50% of NextUpReef's.

Fish Tank Log ships an update every 2 weeks, NextUpReef every 4 days. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Fish Tank Log | NextUpReef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/fish-tank-log/id6757759234/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/nextupreef/id6760728959/reviews) |
| Number of ratings | **6** | 3 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Freemium | Freemium |
| Size | 48 MB | 59 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Toolit Media LLC](https://appshunter.io/developer/1331221462) | [Adam Winstead](https://appshunter.io/developer/1885950916) |

## What reviewers say

### Fish Tank Log

[App page](https://appshunter.io/ios/app/fish-tank-log/id6757759234)

This app helps aquarium enthusiasts track and manage their tanks. Log water parameters, schedule maintenance reminders, and record tank activities. An AI assistant provides guidance and answers questions to ensure consistent aquarium care.

**Highlights:** Create profiles for multiple tanks, Track water parameters with charts, Set maintenance reminders, Log tank activities chronologically, AI assistant for guidance and questions, Support for freshwater, saltwater, planted, and shrimp tanks

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fish Tank Log Pro | $3.99 | per month |
| Fish Tank Log Pro | $19.99 | per year |
| Fish Tank Log Pro | $29.99 | per year |


### NextUpReef

[App page](https://appshunter.io/ios/app/nextupreef/id6760728959)

This app helps reef tank hobbyists manage their aquarium's health and equipment. It offers AI-powered analysis, parameter logging, smart outlet control, and community insights to optimize tank conditions and simplify maintenance.

**Highlights:** AI Reef Advisor for tank analysis, Parameter logging and trend charting, Smart outlet control for equipment, Neptune Apex integration, Tank setup and livestock tracking, Smart reminders for maintenance, Reef community insights

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NextUpReef Pro | $4.99 | per month |
| NextUpReef Pro | $39.99 | per year |


## Frequently asked questions

### Is Fish Tank Log free?

Fish Tank Log is free to download, with in-app purchases available.

### Is NextUpReef free?

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

### Which has better reviews, Fish Tank Log or NextUpReef?

Fish Tank Log is rated higher. Fish Tank Log averages 5.0 out of 5 from 6 ratings, while NextUpReef averages 3.7 from 3 ratings.

### Do Fish Tank Log or NextUpReef have ads?

Neither Fish Tank Log nor NextUpReef shows ads.

### Which is updated more often, Fish Tank Log or NextUpReef?

Fish Tank Log ships an update every 2 weeks, and NextUpReef every 4 days. Most recently, Fish Tank Log was updated on October 3, 2026 and NextUpReef on October 13, 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.*