# Date Formatter vs Instacalc.com

The clearest difference is update cadence: Instacalc.com at every 2 weeks against Date Formatter's every 29 months. Instacalc.com also leads on ratings volume (3 vs 1). Date Formatter's advantage is iOS requirement (11.0 vs 16.4). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Date Formatter against 5.0 for Instacalc.com. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Date Formatter ships an update every 29 months, Instacalc.com every 2 weeks. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Date Formatter | Instacalc.com |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/date-formatter/id949590319/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/instacalccom/id6502033125/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 13 MB | 3 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Honghao Zhang](https://appshunter.io/developer/837207887) | [Kalid Azad](https://appshunter.io/developer/602976316) |

## What reviewers say

### Date Formatter

[App page](https://appshunter.io/ios/app/date-formatter/id949590319)

This utility helps developers easily test and understand date and time format strings. It allows for setting custom dates, time zones, and supports over 689 locales for localized formatting.

**Highlights:** Test any date/time, Set different time zones, Support for 689+ locales, Quick guide with examples, Detailed reference for format symbols

**Features:** macOS Compatibility

**In-app purchases:** none


### Instacalc.com

[App page](https://appshunter.io/ios/app/instacalccom/id6502033125)

This app bridges the gap between simple calculators and complex spreadsheets. It allows for natural language input, variables, and advanced functions, making calculations quick and easy to check. Share your calculations via a permalink.

**Highlights:** Natural language calculations, Variable and row support, Excel-style functions, Unit and currency conversions, Scientific and programming commands, Shareable calculation permalinks

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Date Formatter free?

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

### Is Instacalc.com free?

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

### Which has better reviews, Date Formatter or Instacalc.com?

Date Formatter and Instacalc.com are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do Date Formatter or Instacalc.com have ads?

Neither Date Formatter nor Instacalc.com shows ads.

### Which is updated more often, Date Formatter or Instacalc.com?

Date Formatter ships an update every 29 months, and Instacalc.com every 2 weeks. Most recently, Date Formatter was updated on October 2, 2026 and Instacalc.com on October 3, 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.*