# ByteSIM eSIM vs Clockulator

The clearest difference is price: ByteSIM eSIM at Free against Clockulator's $0.99. ByteSIM eSIM also leads on update cadence (weekly vs every 5 months) and ratings volume (518 vs 1). Clockulator's advantage is rating (5.0 vs 4.6). On ads, in-app purchases and device support there is nothing between them.

ByteSIM eSIM is free to download; Clockulator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Clockulator holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: ByteSIM eSIM has 518 ratings behind it against 1, so its average is the more settled of the two.

ByteSIM eSIM ships an update weekly, Clockulator every 5 months. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ByteSIM eSIM | Clockulator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.6 (518 ratings)](https://appshunter.io/ios/app/bytesim-esim-data-plan/id6450693631/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/clockulator/id6740060169/reviews)** |
| Number of ratings | **518** | 1 |
| Positive reviews | 44.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 96 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ByteSim Limited](https://appshunter.io/developer/1694269517) | [Bruce Jurgens](https://appshunter.io/developer/1781984973) |

## What reviewers say

### ByteSIM eSIM

[App page](https://appshunter.io/ios/app/bytesim-esim-data-plan/id6450693631)

Stay connected globally with this app offering unlimited 5G data plans for over 200 countries. Enjoy local numbers, calls, and SMS without hidden costs. Get started in minutes with easy eSIM installation.

**Highlights:** Unlimited 5G data, Global coverage (200+ countries), Local numbers, Unlimited calls and SMS, No hidden costs, Easy eSIM installation

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent travel assistant
- 🔒 Great customer support
- 👍 Easy to use
- 👍 Reliable and fast
- 👍 Cheap and affordable

**What reviewers complain about**

- 🐛 False advertising and misleading claims
- 🐛 Unreliable service and poor connectivity
- 🐛 Terrible customer service and lack of support
- 🐛 Complicated setup and activation issues
- 🐛 Spam emails and privacy concerns

**Reported bugs**

- eSIMs not activating or working as promised
- Inconsistent data speeds and throttling
- Incompatibility with certain devices or networks
- Billing and refund issues

**Requested features**

- Longer expiration period for eSIMs
- Ability to reissue eSIMs or extend validity
- Improved network coverage and reliability
- Better customer support and communication


### Clockulator

[App page](https://appshunter.io/ios/app/clockulator/id6740060169)

Easily convert between 24-hour and 12-hour clock formats with a clean interface. This travel companion helps you understand time zones and schedules worldwide, ensuring you never miss a flight or appointment.

**Highlights:** One-touch clock conversion, Time zone settings, Interactive clock design, Seamless time zone adjustment, Travel companion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ByteSIM eSIM free?

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

### Is Clockulator free?

Clockulator costs $0.99, with no in-app purchases.

### Which has better reviews, ByteSIM eSIM or Clockulator?

Clockulator is rated higher. ByteSIM eSIM averages 4.6 out of 5 from 518 ratings, while Clockulator averages 5.0 from 1 ratings.

### Do ByteSIM eSIM or Clockulator have ads?

Neither ByteSIM eSIM nor Clockulator shows ads.

### Which is updated more often, ByteSIM eSIM or Clockulator?

ByteSIM eSIM ships an update weekly, and Clockulator every 5 months. Most recently, ByteSIM eSIM was updated on October 12, 2026 and Clockulator on October 4, 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.*