# Verify Calculator vs ieRcalc

The clearest difference is in-app purchases: ieRcalc at none against Verify Calculator's 1. ieRcalc also leads on ads (none vs shown) and update cadence (every 4 days vs every 5 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Verify Calculator sells 1 one-off in-app purchase. ieRcalc asks for nothing beyond the download.

Verify Calculator ships an update every 5 weeks, ieRcalc every 4 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Verify Calculator | ieRcalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Size | 15 MB | 37 MB |
| Requires iOS | 15.4 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [hiroshi mizuno](https://appshunter.io/developer/1742325047) | [REI KAMIKURA](https://appshunter.io/developer/1896764006) |

## What reviewers say

### Verify Calculator

[App page](https://appshunter.io/ios/app/verify-calculator/id6499068707)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


### ieRcalc

[App page](https://appshunter.io/ios/app/iercalc/id6771453728)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Verify Calculator free?

Verify Calculator is free to download, with in-app purchases available.

### Is ieRcalc free?

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

### Do Verify Calculator or ieRcalc have ads?

Verify Calculator shows ads; ieRcalc does not.

### Which is updated more often, Verify Calculator or ieRcalc?

Verify Calculator ships an update every 5 weeks, and ieRcalc every 4 days. Most recently, Verify Calculator was updated on October 7, 2026 and ieRcalc on October 8, 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.*