# ısı24 vs E

The clearest difference is in-app purchases: ısı24 at none against E's 2. ısı24 also leads on update cadence (daily vs every 2 months) and iOS requirement (11.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. E sells 2 in-app purchases, starting at $2.99 per month. ısı24 asks for nothing beyond the download.

ısı24 ships an update daily, E every 2 months. The most recent releases landed on September 10, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | ısı24 | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Size | 49 MB | 34 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [DORUKAN BILGI TEKNOLOJILERI MEDIKAL ITHALAT IHRACAT VE TICARET LIMITED SIRKETI](https://appshunter.io/developer/1500590145) | [Liman Bilisim Limited Sirketi](https://appshunter.io/developer/1546218505) |

## What reviewers say

### ısı24

[App page](https://appshunter.io/ios/app/s24/id1500590146)

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-asistan/id1546218503)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| E-Asistan 1 Aylık Abonelik | $2.99 | per month |
| E-Asistan 1 Yıllık Abonelik | $6.99 | per year |


## Frequently asked questions

### Is ısı24 free?

ısı24 is free to download, with no in-app purchases.

### Is E free?

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

### Do ısı24 or E have ads?

Neither ısı24 nor E shows ads.

### Which is updated more often, ısı24 or E?

ısı24 ships an update daily, and E every 2 months. Most recently, ısı24 was updated on September 10, 2026 and E on September 15, 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.*