# High Notes Journal vs OTN

The clearest difference is in-app purchases: High Notes Journal at none against OTN's 1. High Notes Journal also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). OTN's advantage is update cadence (every 3 days vs every 2 weeks). On price and device support there is nothing between them.

Both are free to download. OTN sells 1 one-off in-app purchase. High Notes Journal asks for nothing beyond the download.

High Notes Journal ships an update every 2 weeks, OTN every 3 days. The most recent releases landed on September 6, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | High Notes Journal | OTN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 3 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Tanya Coller](https://appshunter.io/developer/1850020791) | [SeokHui Lee](https://appshunter.io/developer/1129769874) |

## What reviewers say

### High Notes Journal

[App page](https://appshunter.io/ios/app/high-notes-journal/id6759232476)

**Features:** macOS Compatibility

**In-app purchases:** none


### OTN

[App page](https://appshunter.io/ios/app/otn-one-time-note/id6793473020)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OTN Pro | $0.99 | one-time |


## Frequently asked questions

### Is High Notes Journal free?

High Notes Journal is free to download, with no in-app purchases.

### Is OTN free?

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

### Do High Notes Journal or OTN have ads?

OTN shows ads; High Notes Journal does not.

### Which is updated more often, High Notes Journal or OTN?

High Notes Journal ships an update every 2 weeks, and OTN every 3 days. Most recently, High Notes Journal was updated on September 6, 2026 and OTN on September 19, 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.*