# Locknote vs CalcNotes

The clearest difference is in-app purchases: Locknote at none against CalcNotes's 2. CalcNotes's advantage is update cadence (weekly vs every 4 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. CalcNotes sells 2 in-app purchases, starting at $1.99 per month. Locknote asks for nothing beyond the download.

Locknote ships an update every 4 months, CalcNotes weekly. The most recent releases landed on September 25, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Locknote | CalcNotes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 4 MB | 51 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EAGLE LOGISTICS LLC](https://appshunter.io/developer/1566368133) | [naoki otsu](https://appshunter.io/developer/1082476153) |

## What reviewers say

### Locknote

[App page](https://appshunter.io/ios/app/locknote/id6748895513)

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

**In-app purchases:** none


### CalcNotes

[App page](https://appshunter.io/ios/app/calcnotes-calculation-memo/id6752585573)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |
| Premium (Pay Once) | $4.99 | one-time |


## Frequently asked questions

### Is Locknote free?

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

### Is CalcNotes free?

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

### Do Locknote or CalcNotes have ads?

Neither Locknote nor CalcNotes shows ads.

### Which is updated more often, Locknote or CalcNotes?

Locknote ships an update every 4 months, and CalcNotes weekly. Most recently, Locknote was updated on September 25, 2026 and CalcNotes on September 28, 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.*