# CalReader vs BuildSec 4.0

The clearest difference is price: BuildSec 4.0 at Free against CalReader's $6.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

BuildSec 4.0 is free to download; CalReader costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CalReader ships an update every 4 months, BuildSec 4.0 every 2 months. The most recent releases landed on August 29, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | CalReader | BuildSec 4.0 |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/calreader-calender-logs/id405583558/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 16 MB | 204 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Imaja](https://appshunter.io/developer/405583561) | [Telenot Electronic GmbH](https://appshunter.io/developer/401623741) |

## What reviewers say

### CalReader

[App page](https://appshunter.io/ios/app/calreader-calender-logs/id405583558)

Enhance your calendar's readability with customizable fonts and sizes. Easily filter events by date, calendar, or search terms, and export your data and time calculations in various formats like TEXT, CSV, or TSV. This tool is ideal for logging work or personal events and generating invoices.

**Highlights:** Customizable font and size, Event filtering by date, calendar, and text, TEXT, CSV, TSV export, Time calculation for billing, Siri Shortcuts integration, Dark Mode support

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

**In-app purchases:** none


### BuildSec 4.0

[App page](https://appshunter.io/ios/app/buildsec-40/id1472711329)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalReader free?

CalReader costs $6.99, with no in-app purchases.

### Is BuildSec 4.0 free?

BuildSec 4.0 is free to download, with no in-app purchases.

### Do CalReader or BuildSec 4.0 have ads?

Neither CalReader nor BuildSec 4.0 shows ads.

### Which is updated more often, CalReader or BuildSec 4.0?

CalReader ships an update every 4 months, and BuildSec 4.0 every 2 months. Most recently, CalReader was updated on August 29, 2026 and BuildSec 4.0 on September 19, 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.*