# Cere vs allday eSIM_

The clearest difference is in-app purchases: allday eSIM_ at none against Cere's 4. allday eSIM_ also leads on ads (none vs shown). Cere's advantage is update cadence (every 10 days vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Cere sells 4 one-off in-app purchases. allday eSIM_ asks for nothing beyond the download.

Cere ships an update every 10 days, allday eSIM_ every 6 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Cere | allday eSIM_ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/allday-esim/id6764333836/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 218 MB | 40 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cerebrum Teknoloji Yazilim Sanayi Ve Ticaret Anonim Sirketi](https://appshunter.io/developer/1627476325) | [Ahmet Omer Demirci](https://appshunter.io/developer/1596571924) |

## What reviewers say

### Cere

[App page](https://appshunter.io/ios/app/cere-ai-powered-chatbot/id6445912888)

This AI-powered companion helps manage daily tasks, boost productivity, and enhance social life. It uses GPT-4 technology for personalized assistance in personal and professional matters, including language learning and research.

**Highlights:** AI-powered chat assistance, Personalized task management, Language learning and practice, Research and idea brainstorming, Social skills enhancement, Customizable AI responses

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get 50 Questions | $0.99 | one-time |
| Get 100 Questions | $0.99 | one-time |
| Get 600 Questions | $2.99 | one-time |
| Get 2000 Questions | $4.99 | one-time |


### allday eSIM_

[App page](https://appshunter.io/ios/app/allday-esim/id6764333836)

This app provides seamless, fast, and affordable internet access in over 200 countries and regions, eliminating the need for physical SIM cards. Activate mobile connectivity in seconds via QR code for instant global access.

**Highlights:** 200+ country eSIM support, Instant activation via QR code, Affordable data plans, Fast and stable internet, Easy plan renewal, Data usage tracking, Secure payment

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

**In-app purchases:** none


## Frequently asked questions

### Is Cere free?

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

### Is allday eSIM_ free?

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

### Do Cere or allday eSIM_ have ads?

Cere shows ads; allday eSIM_ does not.

### Which is updated more often, Cere or allday eSIM_?

Cere ships an update every 10 days, and allday eSIM_ every 6 weeks. Most recently, Cere was updated on November 3, 2026 and allday eSIM_ on November 5, 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.*