# Acorn Pool vs NextUpReef

The clearest difference is in-app purchases: Acorn Pool at none against NextUpReef's 2. Acorn Pool also leads on iOS requirement (13.0 vs 15.1). NextUpReef's advantage is update cadence (every 4 days vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. NextUpReef sells 2 in-app purchases, starting at $4.99 per month. Acorn Pool asks for nothing beyond the download.

Acorn Pool ships an update fortnightly, NextUpReef every 4 days. The most recent releases landed on September 13, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Acorn Pool | NextUpReef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nextupreef/id6760728959/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 43 MB | 56 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [NINGBO SPLASH POOL APPLIANCE CO., LTD.](https://appshunter.io/developer/1504604564) | [Adam Winstead](https://appshunter.io/developer/1885950916) |

## What reviewers say

### Acorn Pool

[App page](https://appshunter.io/ios/app/acorn-pool/id6596739350)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Acorn Pool free?

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

### Is NextUpReef free?

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

### Do Acorn Pool or NextUpReef have ads?

Neither Acorn Pool nor NextUpReef shows ads.

### Which is updated more often, Acorn Pool or NextUpReef?

Acorn Pool ships an update fortnightly, and NextUpReef every 4 days. Most recently, Acorn Pool was updated on September 13, 2026 and NextUpReef on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*