# Notification Todo vs Verify Calculator

The clearest difference is in-app purchases: Notification Todo at none against Verify Calculator's 1. Notification Todo also leads on ads (none vs shown) and update cadence (every 6 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. Notification Todo asks for nothing beyond the download.

Notification Todo ships an update every 6 days, Verify Calculator every 5 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Notification Todo | Verify Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 5 weeks |
| Size | 4 MB | 15 MB |
| Requires iOS | 16.0 | **15.4** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [SOTOCHA](https://appshunter.io/developer/501449724) | [hiroshi mizuno](https://appshunter.io/developer/1742325047) |

## What reviewers say

### Notification Todo

[App page](https://appshunter.io/ios/app/notification-todo/id6448881266)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Notification Todo free?

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

### Is Verify Calculator free?

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

### Do Notification Todo or Verify Calculator have ads?

Verify Calculator shows ads; Notification Todo does not.

### Which is updated more often, Notification Todo or Verify Calculator?

Notification Todo ships an update every 6 days, and Verify Calculator every 5 weeks. Most recently, Notification Todo was updated on October 27, 2026 and Verify Calculator on October 25, 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.*