# Text Calculator vs Contacts Sync Pro

The clearest difference is rating: Contacts Sync Pro at 4.7 against Text Calculator's 2.0. Contacts Sync Pro also leads on review sentiment (88% vs 50%) and update cadence (every 3 months vs every 18 months). Text Calculator's advantage is price ($0.99 vs $9.99) and in-app purchases (none vs 4). On ads and device support there is nothing between them.

Text Calculator costs $0.99 and Contacts Sync Pro $9.99 up front. Contacts Sync Pro sells 4 one-off in-app purchases. Text Calculator asks for nothing beyond the download.

Contacts Sync Pro holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: Contacts Sync Pro has 811 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 88% of Contacts Sync Pro's.

Text Calculator ships an update every 18 months, Contacts Sync Pro every 3 months. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Text Calculator | Contacts Sync Pro |
| --- | --- | --- |
| Price | **$0.99** | $9.99 |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/text-calculator/id312780942/reviews) | **[4.7 (811 ratings)](https://appshunter.io/ios/app/contacts-sync-pro/id686378579/reviews)** |
| Number of ratings | 3 | **811** |
| Positive reviews | 50.0% of reviews | **87.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 3 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 42 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Playa Apps](https://appshunter.io/developer/449814913) |

## 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


### Contacts Sync Pro

[App page](https://appshunter.io/ios/app/contacts-sync-pro/id686378579)

Effortlessly synchronize your contacts across Google, iCloud, and Outlook. This reliable app ensures your contact information is up-to-date on your iPhone, supporting two-way syncing and preserving all contact details and groups.

**Highlights:** Sync Google, iCloud, and Outlook contacts, Two-way and one-way sync options, Syncs all contact fields and photos, Preserves Google labels and Outlook categories, Automatic background syncing, Duplicate contact elimination, Confirm changes before syncing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Syncs | Free | one-time |
| Automatic Contact Syncing | Free | one-time |
| Make Contribution | $4.99 | one-time |
| Make Larger Contribution | $9.99 | one-time |

**What reviewers like**

- 🚀 Works flawlessly
- 👍 Easy to use
- 🚀 Reliable and accurate
- 🚀 Keeps contacts in sync
- 👍 Excellent responsiveness from developer

**What reviewers complain about**

- 🐛 UX has subtly changed for the worse
- 🐛 Confusing to use for just syncing one contact
- 🐛 Doesn't sync Gmail groups

**Reported bugs**

- Caused massive increase in number of contacts
- Eliminated all existing contacts

**Requested features**

- Improved handling of duplicate contacts
- Better side-by-side comparison of contacts


## Frequently asked questions

### Is Text Calculator free?

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

### Is Contacts Sync Pro free?

Contacts Sync Pro costs $9.99, and also offers in-app purchases.

### Which has better reviews, Text Calculator or Contacts Sync Pro?

Contacts Sync Pro is rated higher. Text Calculator averages 2.0 out of 5 from 3 ratings, while Contacts Sync Pro averages 4.7 from 811 ratings.

### Do Text Calculator or Contacts Sync Pro have ads?

Neither Text Calculator nor Contacts Sync Pro shows ads.

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

Text Calculator ships an update every 18 months, and Contacts Sync Pro every 3 months. Most recently, Text Calculator was updated on October 7, 2026 and Contacts Sync Pro on October 15, 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.*