# Standard Dictionary vs I Oracle

The clearest difference is update cadence: I Oracle at every 5 days against Standard Dictionary's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Standard Dictionary sells 10 one-off in-app purchases and I Oracle sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Standard Dictionary ships an update every 2 months, I Oracle every 5 days. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Standard Dictionary | I Oracle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 87 MB | 92 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Clavis Sinica Limited](https://appshunter.io/developer/1635273455) | [SEMANTIC TECHNOLOGIES LLC](https://appshunter.io/developer/1777357874) |

## What reviewers say

### Standard Dictionary

[App page](https://appshunter.io/ios/app/standard-dictionary/id1635464832)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1.99点券 | $1.99 | one-time |
| Secondary directory(Proxy) | $7.99 | one-time |
| 9.99点券 | $9.99 | one-time |
| 14.99点券 | $14.99 | one-time |
| First level directory(Proxy) | $17.99 | one-time |
| Monthly membership(Proxy) | $17.99 | one-time |
| Monthly membership | $19.99 | one-time |
| 29.99点券 | $29.99 | one-time |
| Annual membership(Proxy) | $189.99 | one-time |
| Annual membership | $199.99 | one-time |


### I Oracle

[App page](https://appshunter.io/ios/app/i-oracle/id6467116246)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 points | $0.99 | one-time |
| 1000 points | $9.99 | one-time |
| Monthly membership | $19.99 | one-time |
| 2000 points | $19.99 | one-time |
| 5000 points | $29.99 | one-time |
| Annual membership | $199.99 | one-time |
| 3 year membership | $299.99 | one-time |
| 5 year membership | $399.99 | one-time |


## Frequently asked questions

### Is Standard Dictionary free?

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

### Is I Oracle free?

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

### Do Standard Dictionary or I Oracle have ads?

Neither Standard Dictionary nor I Oracle shows ads.

### Which is updated more often, Standard Dictionary or I Oracle?

Standard Dictionary ships an update every 2 months, and I Oracle every 5 days. Most recently, Standard Dictionary was updated on October 1, 2026 and I Oracle on September 30, 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.*