# Save2PDF vs Aqua Box

The clearest difference is update cadence: Aqua Box at fortnightly against Save2PDF's every 4 months. Aqua Box also leads on price ($1.99 vs $4.99) and device support (3 vs 1). Save2PDF's advantage is iOS requirement (12.0 vs 17.6). On rating, review sentiment, ratings volume and ads there is nothing between them.

Save2PDF costs $4.99 and Aqua Box $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.2 for Save2PDF against 4.1 for Aqua Box. Both are backed by a comparable volume of ratings — 66 and 47 respectively. Written reviews are what separate them: 68% of Save2PDF's written reviews are positive against 61% of Aqua Box's.

Save2PDF ships an update every 4 months, Aqua Box fortnightly. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Save2PDF | Aqua Box |
| --- | --- | --- |
| Price | $4.99 | **$1.99** |
| Rating | **[4.2 (66 ratings)](https://appshunter.io/ios/app/save2pdf/id399758218/reviews)** | [4.1 (47 ratings)](https://appshunter.io/ios/app/aqua-box/id1229710594/reviews) |
| Number of ratings | **66** | 47 |
| Positive reviews | **67.7% of reviews** | 61.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Paid | Paid |
| Size | 49 MB | 20 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [EuroSmartz Ltd](https://appshunter.io/developer/299105918) | [Raynald Im](https://appshunter.io/developer/971816197) |

## What reviewers say

### Save2PDF

[App page](https://appshunter.io/ios/app/save2pdf/id399758218)

Easily create professional PDFs directly on your iPad from various file formats like Word, Excel, Photos, and web pages. Merge multiple documents or select specific pages to build custom PDFs. Seamlessly integrate with other apps for quick conversion.

**Highlights:** Convert Word, Excel, PowerPoint, Photos, Web Pages, and more to PDF, Merge multiple files into a single PDF, Select specific pages from files for new PDFs, Import files from other apps via 'Open in...', Email and print PDFs directly from the app, Supports iCloud integration

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Efficient PDF conversion
- 👍 Customizable PDF settings
- 💡 Useful for work and personal use
- 🔒 Secure file handling
- 🌐 Integrates with cloud storage

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 🤔 Unintuitive user interface
- 🔄 Formatting issues with some file types
- 🕰️ Slow performance at times
- 🔒 Concerns about security and privacy

**Reported bugs**

- Compatibility issues with iOS updates
- Memory errors and data loss
- Inconsistent PDF formatting
- Unreliable cloud sync and sharing

**Requested features**

- Improved integration with other apps
- Ability to annotate and edit PDFs
- Support for more file formats
- Wireless printing functionality
- Streamlined file management


### Aqua Box

[App page](https://appshunter.io/ios/app/aqua-box/id1229710594)

Manage freshwater, brackish water aquariums, and ponds with detailed tracking of water parameters, livestock, and equipment. Schedule maintenance, receive reminders, and visualize progress with snapshots and graphs. Share your data with others and sync across Apple devices.

**Highlights:** Water parameter tracking (pH, temp, salinity, etc.), Livestock and plant logging, Maintenance reminders and scheduling, Data visualization with graphs and snapshots, Equipment cost tracking, Cross-device iCloud sync, Apple Watch integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Save2PDF free?

Save2PDF costs $4.99, with no in-app purchases.

### Is Aqua Box free?

Aqua Box costs $1.99, with no in-app purchases.

### Which has better reviews, Save2PDF or Aqua Box?

Save2PDF is rated higher. Save2PDF averages 4.2 out of 5 from 66 ratings, while Aqua Box averages 4.1 from 47 ratings.

### Do Save2PDF or Aqua Box have ads?

Neither Save2PDF nor Aqua Box shows ads.

### Which is updated more often, Save2PDF or Aqua Box?

Save2PDF ships an update every 4 months, and Aqua Box fortnightly. Most recently, Save2PDF was updated on October 22, 2026 and Aqua Box on October 19, 2026.

---

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