# Student English Dictionary vs GDS Theory

The clearest difference is price: GDS Theory at Free against Student English Dictionary's $4.99. GDS Theory also leads on update cadence (every 3 weeks vs every 41 months) and iOS requirement (11.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

GDS Theory is free to download; Student English Dictionary costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Student English Dictionary ships an update every 41 months, GDS Theory every 3 weeks. The most recent releases landed on October 28, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Student English Dictionary | GDS Theory |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 3 weeks** |
| Size | 352 MB | 45 MB |
| Requires iOS | 18.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Digital Future LTD](https://appshunter.io/developer/422014714) | [Gulf Driving School WLL](https://appshunter.io/developer/1545998023) |

## What reviewers say

### Student English Dictionary

[App page](https://appshunter.io/ios/app/student-english-dictionary/id599962800)

**Features:** macOS Compatibility

**In-app purchases:** none


### GDS Theory

[App page](https://appshunter.io/ios/app/gds-theory/id1545998021)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Student English Dictionary free?

Student English Dictionary costs $4.99, with no in-app purchases.

### Is GDS Theory free?

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

### Do Student English Dictionary or GDS Theory have ads?

Neither Student English Dictionary nor GDS Theory shows ads.

### Which is updated more often, Student English Dictionary or GDS Theory?

Student English Dictionary ships an update every 41 months, and GDS Theory every 3 weeks. Most recently, Student English Dictionary was updated on October 28, 2026 and GDS Theory on October 27, 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.*