# TempBox vs SIA CoRe

The clearest difference is in-app purchases: SIA CoRe at none against TempBox's 3. SIA CoRe also leads on iOS requirement (15.1 vs 18.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. TempBox sells 3 one-off in-app purchases. SIA CoRe asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.4 for TempBox against 3.3 for SIA CoRe. Both are backed by a comparable volume of ratings — 7 and 7 respectively.

TempBox ships an update every 2 weeks, SIA CoRe monthly. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | TempBox | SIA CoRe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (7 ratings)](https://appshunter.io/ios/app/tempbox-temp-mail/id6575345984/reviews)** | [3.3 (7 ratings)](https://appshunter.io/ios/app/sia-core/id6651817248/reviews) |
| Number of ratings | 7 | 7 |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 31 MB | 44 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rishi Singh](https://appshunter.io/developer/1757566879) | [Integrated Auction Solutions, LLC](https://appshunter.io/developer/1198344108) |

## What reviewers say

### TempBox

[App page](https://appshunter.io/ios/app/tempbox-temp-mail/id6575345984)

Generate instant temporary email addresses to protect your privacy and keep your real inbox clean. Receive emails without registration, manage multiple addresses, and test services securely. Offers complete privacy with zero data collection and an open-source code base.

**Highlights:** Instant temporary email creation, Complete privacy protection, Real-time email delivery, Multiple email address management, Smart email organization, Open-source code base

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |


### SIA CoRe

[App page](https://appshunter.io/ios/app/sia-core/id6651817248)

This app allows users to input detailed vehicle information, generate condition reports, and create professional vehicle listings. It's designed for auction staff and users of the CoRe system to efficiently manage vehicle data and visual assets.

**Highlights:** Decode VIN/VRM, Input detailed vehicle information, Take photos and write condition reports, Customizable reports per consignor, Create AutoGrade for display, Categorical and damage-linked photos

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

**In-app purchases:** none


## Frequently asked questions

### Is TempBox free?

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

### Is SIA CoRe free?

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

### Which has better reviews, TempBox or SIA CoRe?

TempBox is rated higher. TempBox averages 3.4 out of 5 from 7 ratings, while SIA CoRe averages 3.3 from 7 ratings.

### Do TempBox or SIA CoRe have ads?

Neither TempBox nor SIA CoRe shows ads.

### Which is updated more often, TempBox or SIA CoRe?

TempBox ships an update every 2 weeks, and SIA CoRe monthly. Most recently, TempBox was updated on October 8, 2026 and SIA CoRe on October 17, 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.*