# RoTIC Symposium vs DEIF Smart Diagnostic

The clearest difference is update cadence: DEIF Smart Diagnostic at every 2 months against RoTIC Symposium's every 6 months. RoTIC Symposium's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RoTIC Symposium ships an update every 6 months, DEIF Smart Diagnostic every 2 months. The most recent releases landed on October 22, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | RoTIC Symposium | DEIF Smart Diagnostic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 1 MB | 21 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Aldrich International LLC](https://appshunter.io/developer/1804879397) | [Tor.ai Limited](https://appshunter.io/developer/1288507527) |

## What reviewers say

### RoTIC Symposium

[App page](https://appshunter.io/ios/app/rotic-symposium/id6752693516)

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

**In-app purchases:** none


### DEIF Smart Diagnostic

[App page](https://appshunter.io/ios/app/deif-smart-diagnostic/id6779523693)

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

**In-app purchases:** none


## Frequently asked questions

### Is RoTIC Symposium free?

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

### Is DEIF Smart Diagnostic free?

DEIF Smart Diagnostic is free to download, with no in-app purchases.

### Do RoTIC Symposium or DEIF Smart Diagnostic have ads?

Neither RoTIC Symposium nor DEIF Smart Diagnostic shows ads.

### Which is updated more often, RoTIC Symposium or DEIF Smart Diagnostic?

RoTIC Symposium ships an update every 6 months, and DEIF Smart Diagnostic every 2 months. Most recently, RoTIC Symposium was updated on October 22, 2026 and DEIF Smart Diagnostic on October 31, 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.*