# OneDiary vs Echo Frog

The clearest difference is iOS requirement: OneDiary at 15.6 against Echo Frog's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. OneDiary sells 4 in-app purchases, starting at $0.99 per month and Echo Frog sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

OneDiary ships an update monthly, Echo Frog every 6 weeks. The most recent releases landed on October 9, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | OneDiary | Echo Frog |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 241 MB | 12 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [OneDiary (Dongguan) Technology Co., Ltd](https://appshunter.io/developer/1609976911) | [云涛 贾](https://appshunter.io/developer/1887721892) |

## What reviewers say

### OneDiary

[App page](https://appshunter.io/ios/app/onediary-journal-and-note/id1610312891)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OneDiary Pro Monthly | $0.99 | per month |
| Pro Member Yearly | $9.99 | per year |
| One month of OneDiary Pro | $0.99 | one-time |
| OneDiary Pro Permanently | $29.99 | one-time |


### Echo Frog

[App page](https://appshunter.io/ios/app/echo-frog-speak-and-repeat/id6762504743)

Record your voice and compare it to a reference pronunciation to improve clarity and naturalness. This tool offers speech recognition, translation, and example sentences to enhance language learning and speaking skills.

**Highlights:** Voice recording and playback, Pronunciation comparison, Speech recognition, Translation, Example sentences, Multiple language support

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Voices | $1.99 | per month |
| Unlimited Voices | $0.99 | one-time |


## Frequently asked questions

### Is OneDiary free?

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

### Is Echo Frog free?

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

### Do OneDiary or Echo Frog have ads?

Neither OneDiary nor Echo Frog shows ads.

### Which is updated more often, OneDiary or Echo Frog?

OneDiary ships an update monthly, and Echo Frog every 6 weeks. Most recently, OneDiary was updated on October 9, 2026 and Echo Frog on October 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.*