# HelloSIM vs One Tool Box

The clearest difference is in-app purchases: HelloSIM at none against One Tool Box's 1. HelloSIM also leads on update cadence (weekly vs monthly) and iOS requirement (15.0 vs 18.4). On price, ads and device support there is nothing between them.

Both are free to download. One Tool Box sells 1 one-off in-app purchase. HelloSIM asks for nothing beyond the download.

HelloSIM ships an update weekly, One Tool Box monthly. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | HelloSIM | One Tool Box |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 316 MB | 16 MB |
| Requires iOS | **15.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VALYOU SDN BHD](https://appshunter.io/developer/1859507695) | [吉 汤](https://appshunter.io/developer/1564669378) |

## What reviewers say

### HelloSIM

[App page](https://appshunter.io/ios/app/hellosim/id6759631964)

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

**In-app purchases:** none


### One Tool Box

[App page](https://appshunter.io/ios/app/one-tool-box/id6792082967)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Letters Export | $0.99 | one-time |


## Frequently asked questions

### Is HelloSIM free?

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

### Is One Tool Box free?

One Tool Box is free to download, with in-app purchases available.

### Do HelloSIM or One Tool Box have ads?

Neither HelloSIM nor One Tool Box shows ads.

### Which is updated more often, HelloSIM or One Tool Box?

HelloSIM ships an update weekly, and One Tool Box monthly. Most recently, HelloSIM was updated on October 8, 2026 and One Tool Box on October 1, 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.*