# OIDDS vs DictoGo

The clearest difference is in-app purchases: OIDDS at none against DictoGo's 6. OIDDS also leads on iOS requirement (12.0 vs 15.0). DictoGo's advantage is update cadence (every 6 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. DictoGo sells 5 in-app purchases, starting at $12.99 per month. OIDDS asks for nothing beyond the download.

OIDDS ships an update every 3 months, DictoGo every 6 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | OIDDS | DictoGo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/dictogo/id6670234838/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | — | Freemium |
| Size | 45 MB | 187 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CAMP CHALLENGE PTE. LTD.](https://appshunter.io/developer/1512378273) | [EasyMeta](https://appshunter.io/developer/1753006440) |

## What reviewers say

### OIDDS

[App page](https://appshunter.io/ios/app/oidds/id1512378274)

**Features:** macOS Compatibility

**In-app purchases:** none


### DictoGo

[App page](https://appshunter.io/ios/app/dictogo/id6670234838)

This app offers a robust dictionary and learning tools for English language acquisition. It features fast word lookups, authentic example sentences with audio, and personalized vocabulary building. Practice speaking with an AI coach and improve listening skills through audio subtitle learning.

**Highlights:** Lightning-fast word lookup, Authentic example sentences with audio, Personalized vocabulary book, AI Conversation Coach, Audio subtitle learning, Background playback

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $12.99 | per month |
| Pro Monthly | $14.99 | per month |
| Pro Monthly | $14.99 | per month |
| Basic Yearly | $99.99 | per year |
| Pro Yearly | $119.00 | per year |


## Frequently asked questions

### Is OIDDS free?

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

### Is DictoGo free?

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

### Do OIDDS or DictoGo have ads?

Neither OIDDS nor DictoGo shows ads.

### Which is updated more often, OIDDS or DictoGo?

OIDDS ships an update every 3 months, and DictoGo every 6 days. Most recently, OIDDS was updated on November 3, 2026 and DictoGo on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*