# WALT Calculator vs BlockTimePro

The clearest difference is update cadence: BlockTimePro at daily against WALT Calculator's every 3 months. WALT Calculator's advantage is iOS requirement (8.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WALT Calculator ships an update every 3 months, BlockTimePro daily. The most recent releases landed on October 5, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | WALT Calculator | BlockTimePro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/walt-calculator/id815488678/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free | — |
| Size | 14 MB | 40 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeff McClay](https://appshunter.io/developer/815488681) | [Flavio Henrique Mesquita](https://appshunter.io/developer/1841517663) |

## What reviewers say

### WALT Calculator

[App page](https://appshunter.io/ios/app/walt-calculator/id815488678)

This utility app offers a suite of specialized calculators for weather, location, and target-related computations. Features include density altitude, field elevation, geographic coordinate conversion, distance calculation, and a target calculator for shooting sports.

**Highlights:** Density Altitude Calculator, Field Elevation Calculator, Geographic Coordinates Converter, Geographic Distance Calculator, Target Calculator

**Features:** macOS Compatibility

**In-app purchases:** none


### BlockTimePro

[App page](https://appshunter.io/ios/app/blocktimepro/id6755408611)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WALT Calculator free?

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

### Is BlockTimePro free?

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

### Do WALT Calculator or BlockTimePro have ads?

Neither WALT Calculator nor BlockTimePro shows ads.

### Which is updated more often, WALT Calculator or BlockTimePro?

WALT Calculator ships an update every 3 months, and BlockTimePro daily. Most recently, WALT Calculator was updated on October 5, 2026 and BlockTimePro on September 23, 2026.

---

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