# OVERSO vs DELE B2

The clearest difference is in-app purchases: OVERSO at none against DELE B2's 3. DELE B2's advantage is update cadence (daily vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DELE B2 sells 3 in-app purchases, starting at $8.99 per month. OVERSO asks for nothing beyond the download.

OVERSO ships an update every 3 months, DELE B2 daily. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OVERSO | DELE B2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Size | 10 MB | 53 MB |
| Requires iOS | 16 | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [AZIZ LABBACI](https://appshunter.io/developer/1703142319) | [KineticLab OU](https://appshunter.io/developer/1837739514) |

## What reviewers say

### OVERSO

[App page](https://appshunter.io/ios/app/overso-flashcards/id6723905158)

**Features:** Vision Pro support

**In-app purchases:** none


### DELE B2

[App page](https://appshunter.io/ios/app/dele-b2/id6783932550)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DELE+ | $8.99 | per month |
| DELEX | $17.99 | per month |
| 5 AI Conversations | $3.99 | one-time |


## Frequently asked questions

### Is OVERSO free?

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

### Is DELE B2 free?

DELE B2 is free to download, with in-app purchases available.

### Do OVERSO or DELE B2 have ads?

Neither OVERSO nor DELE B2 shows ads.

### Which is updated more often, OVERSO or DELE B2?

OVERSO ships an update every 3 months, and DELE B2 daily. Most recently, OVERSO was updated on October 24, 2026 and DELE B2 on October 25, 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.*