# Strings Conferences vs Learn Ai for Robotics

The clearest difference is price: Strings Conferences at Free against Learn Ai for Robotics's $1.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Strings Conferences is free to download; Learn Ai for Robotics costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Strings Conferences ships an update every 11 months, Learn Ai for Robotics every 10 months. The most recent releases landed on June 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Strings Conferences | Learn Ai for Robotics |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/strings-conferences/id448664822/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 10 months** |
| Monetization | Free | — |
| Size | 2 MB | 41 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Yuji Tachikawa](https://appshunter.io/developer/378764358) | [Muhammad Umair](https://appshunter.io/developer/1696049320) |

## What reviewers say

### Strings Conferences

[App page](https://appshunter.io/ios/app/strings-conferences/id448664822)

Explore two decades of String Theory progress through conference slides. Easily navigate presentations from 1998 to 2025 on your iPad.

**Highlights:** Access conference slides, Navigate presentations, String Theory content, Historical data (1998-2025), iPad optimized

**Features:** macOS Compatibility

**In-app purchases:** none


### Learn Ai for Robotics

[App page](https://appshunter.io/ios/app/learn-ai-for-robotics/id6744604723)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Strings Conferences free?

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

### Is Learn Ai for Robotics free?

Learn Ai for Robotics costs $1.99, with no in-app purchases.

### Do Strings Conferences or Learn Ai for Robotics have ads?

Neither Strings Conferences nor Learn Ai for Robotics shows ads.

### Which is updated more often, Strings Conferences or Learn Ai for Robotics?

Strings Conferences ships an update every 11 months, and Learn Ai for Robotics every 10 months. Most recently, Strings Conferences was updated on June 5, 2026 and Learn Ai for Robotics on September 10, 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.*