# Post vs Ace Calc

The clearest difference is in-app purchases: Post at none against Ace Calc's 3. Post also leads on ratings volume (115 vs 2). Ace Calc's advantage is rating (5.0 vs 4.8) and iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Ace Calc sells 3 in-app purchases, starting at $5.99 per month. Post asks for nothing beyond the download.

Ace Calc holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Post has 115 ratings behind it against 2, so its average is the more settled of the two.

Post ships an update every 2 months, Ace Calc monthly. The most recent releases landed on October 16, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Post | Ace Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (115 ratings)](https://appshunter.io/ios/app/post-parcel-tracking-app/id1520160912/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ace-calc/id6758740876/reviews)** |
| Number of ratings | **115** | 2 |
| Positive reviews | 30.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Ad-supported** | Freemium |
| Size | 95 MB | 32 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Post AG](https://appshunter.io/developer/375721271) | [Amith Rajagopal Kozhipuram](https://appshunter.io/developer/1857542871) |

## What reviewers say

### Post

[App page](https://appshunter.io/ios/app/post-parcel-tracking-app/id1520160912)

Track your parcels and packages with real-time updates and notifications. Plan deliveries, choose pick-up locations, and manage important documents digitally. Find nearby post offices and arrange for package collections.

**Highlights:** Real-time parcel tracking, Delivery planning and redirection, Digital pick-up notifications, Home parcel collection service, Post office location finder, E-letterbox for documents

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

**In-app purchases:** none


### Ace Calc

[App page](https://appshunter.io/ios/app/ace-calc/id6758740876)

Perform calculations with voice commands or traditional input. Save results as variables, access a full history, and customize the interface with themes. Offers basic and advanced scientific functions for everyday and complex math needs.

**Highlights:** Voice input for hands-free calculations, Save results as reusable variables, Full calculation history, Basic and scientific functions, Customizable themes and styles, Undo/Redo support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Package | $5.99 | per month |
| Yearly Pro Package | $34.99 | per year |
| Lifetime Pro Package | $49.99 | one-time |


## Frequently asked questions

### Is Post free?

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

### Is Ace Calc free?

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

### Which has better reviews, Post or Ace Calc?

Ace Calc is rated higher. Post averages 4.8 out of 5 from 115 ratings, while Ace Calc averages 5.0 from 2 ratings.

### Do Post or Ace Calc have ads?

Neither Post nor Ace Calc shows ads.

### Which is updated more often, Post or Ace Calc?

Post ships an update every 2 months, and Ace Calc monthly. Most recently, Post was updated on October 16, 2026 and Ace Calc on September 30, 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.*