# ASL Otty vs Locker Practice Simulator

The clearest difference is ads: Locker Practice Simulator at none against ASL Otty's shown. ASL Otty's advantage is update cadence (every 4 days vs every 5 months) and chart position (#138 vs unranked). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. ASL Otty sells 10 in-app purchases, starting at $7.99 per 7 days and Locker Practice Simulator sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ASL Otty ships an update every 4 days, Locker Practice Simulator every 5 months. The most recent releases landed on November 9, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ASL Otty | Locker Practice Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (5.2K ratings)](https://appshunter.io/ios/app/asl-otty-learn-sign-language/id6753228400/reviews)** | — |
| Number of ratings | **5.2K** | — |
| Positive reviews | 74.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#138** | — |
| Size | 294 MB | 55 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RAFAL KAROL LECHOWICZ](https://appshunter.io/developer/1880749281) | [0NUR ORHAN](https://appshunter.io/developer/1839511503) |

## What reviewers say

### ASL Otty

[App page](https://appshunter.io/ios/app/asl-otty-learn-sign-language/id6753228400)

**Currently charting:** #138 Top Free · Education (US App Store)

Learn American Sign Language through engaging, game-inspired lessons and interactive exercises. An AI trainer provides feedback on your gestures, and a supportive community helps you practice and track progress. Unlock barrier-free communication with this accessible learning tool.

**Highlights:** Interactive lessons, AI gesture feedback, Personalized training plan, Native speaker videos, Secure community, Progress tracking

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $7.99 | per 7 days |
| premium | $8.99 | per month |
| Monthly Premium Access | $19.99 | per month |
| Monthly Access | $19.99 | per month |
| 3 Months Access | $48.99 | per 3 months |
| premium | $48.99 | per 3 months |
| premium | $57.99 | per 3 months |
| Yearly Premium Access | $98.99 | per year |
| premium | $98.99 | per year |
| premium | $119.99 | per year |

**What reviewers like**

- 🚀 Amazing app
- 👍 Good app
- 👍 Well app
- 👍 The future of sign language learning
- 👍 Supportive and safe community

**What reviewers complain about**

- 💡 Slow-mo feature for gestures/videos
- 💡 Access full experience without subscription

**Reported bugs**

- ? mark for support does not have OTTY support email

**Requested features**

- Slow-mo feature for gestures/videos
- Access full experience without subscription
- Include A, B, and E in the alphabet


### Locker Practice Simulator

[App page](https://appshunter.io/ios/app/locker-practice-simulator/id6754992803)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Annual | $9.99 | per year |


## Frequently asked questions

### Is ASL Otty free?

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

### Is Locker Practice Simulator free?

Locker Practice Simulator is free to download, with in-app purchases available.

### Do ASL Otty or Locker Practice Simulator have ads?

ASL Otty shows ads; Locker Practice Simulator does not.

### Which is updated more often, ASL Otty or Locker Practice Simulator?

ASL Otty ships an update every 4 days, and Locker Practice Simulator every 5 months. Most recently, ASL Otty was updated on November 9, 2026 and Locker Practice Simulator on October 28, 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.*