# Text Calculator vs NAS Pro

The clearest difference is price: NAS Pro at Free against Text Calculator's $0.99. NAS Pro also leads on rating (4.3 vs 2.0) and update cadence (every 3 weeks vs every 18 months). Text Calculator's advantage is in-app purchases (none vs 10) and iOS requirement (12.0 vs 18.0). On review sentiment, ads and device support there is nothing between them.

NAS Pro is free to download; Text Calculator costs $0.99 up front. NAS Pro sells 10 in-app purchases, starting at $2.49 per month. Text Calculator asks for nothing beyond the download.

NAS Pro holds the better App Store score, 4.3 against 2.0. That said, the two scores are not equally well evidenced: NAS Pro has 178 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of Text Calculator's written reviews are positive against 58% of NAS Pro's.

Text Calculator ships an update every 18 months, NAS Pro every 3 weeks. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Text Calculator | NAS Pro |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/text-calculator/id312780942/reviews) | **[4.3 (178 ratings)](https://appshunter.io/ios/app/nas-pro/id1435876433/reviews)** |
| Number of ratings | 3 | **178** |
| Positive reviews | 50.0% of reviews | **57.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 78 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [EZV, spol. s r.o.](https://appshunter.io/developer/1274203159) |

## What reviewers say

### Text Calculator

[App page](https://appshunter.io/ios/app/text-calculator/id312780942)

Enter mathematical formulas as text and get instant results. Review past calculations with a history feature for error checking and reuse. Supports advanced functions and constants, and can email your calculation history.

**Highlights:** Text-based formula input, Calculation history, Reuse past calculations, Email history, Advanced functions and constants, iPad split screen support

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

**In-app purchases:** none


### NAS Pro

[App page](https://appshunter.io/ios/app/nas-pro/id1435876433)

Manage and monitor your Synology, QNAP, or TrueNAS server remotely. Control system health, storage, containers, virtual machines, backups, and downloads from your mobile device. Features Wake on LAN, Widgets, and Siri Shortcuts for convenient access.

**Highlights:** Remote NAS management, System health monitoring, Storage pool and volume management, Container and VM monitoring, Backup and download task management, Real-time network activity, Wake on LAN support

**Features:** Family Sharing, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supporter Level - Monthly | $2.49 | per month |
| Supporter Level - Yearly | $18.49 | per year |
| System module | $1.99 | one-time |
| Network module | $1.99 | one-time |
| Storage module | $1.99 | one-time |
| Logs module | $1.99 | one-time |
| Tasks module | $1.99 | one-time |
| Docker Containers module | $1.99 | one-time |
| Download Station module | $1.99 | one-time |
| One Time - All Modules | $49.99 | one-time |

**What reviewers like**

- 🚀 Very good app for Synology
- 👍 Nice app
- 👍 Excellent app
- 👍 Great app
- 👍 Wonderful backup

**What reviewers complain about**

- 🔒 Subscription service required to use it
- 🐛 Giving up
- 🐛 Doesn't work at all
- 🐛 Probably the worse app ever
- 💰 Absurdly overpriced, a total non-starter

**Reported bugs**

- CPU usage meter not working in DSM7.1
- Some docker containers are not showing up on the list
- 2 factor authentication doesn't work properly
- Unable to remove demo server
- Home Screen Widget issue

**Requested features**

- Add OpenMediaVault NAS support
- Add Cloudflare's headers support
- Add Active Backup for Business module
- Show volume description in storage section
- Add basic VM support


## Frequently asked questions

### Is Text Calculator free?

Text Calculator costs $0.99, with no in-app purchases.

### Is NAS Pro free?

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

### Which has better reviews, Text Calculator or NAS Pro?

NAS Pro is rated higher. Text Calculator averages 2.0 out of 5 from 3 ratings, while NAS Pro averages 4.3 from 178 ratings.

### Do Text Calculator or NAS Pro have ads?

Neither Text Calculator nor NAS Pro shows ads.

### Which is updated more often, Text Calculator or NAS Pro?

Text Calculator ships an update every 18 months, and NAS Pro every 3 weeks. Most recently, Text Calculator was updated on October 31, 2026 and NAS Pro on November 6, 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.*