# EchoVis Street vs Otso

The clearest difference is review sentiment: Otso at 100% against EchoVis Street's 50%. Otso also leads on rating (5.0 vs 4.0) and in-app purchases (none vs 3). EchoVis Street's advantage is price (Free vs $0.99) and iOS requirement (15.0 vs 18.0). On ratings volume, ads and device support there is nothing between them.

EchoVis Street is free to download; Otso costs $0.99 up front. EchoVis Street sells 3 one-off in-app purchases. Otso asks for nothing beyond the download.

Otso holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 50% of EchoVis Street's written reviews are positive against 100% of Otso's.

EchoVis Street ships an update every 4 months, Otso every 3 weeks. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | EchoVis Street | Otso |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/echovis-street/id1440588932/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/otso-visual-timer/id6778631652/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 197 MB | 5 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Transition Technologies S.A.](https://appshunter.io/developer/388173587) | [SIMON HEUSCHKEL](https://appshunter.io/developer/1863285023) |

## What reviewers say

### EchoVis Street

[App page](https://appshunter.io/ios/app/echovis-street/id1440588932)

An audio-based game designed to enhance hearing skills, particularly for visually impaired individuals. Players navigate virtual environments by analyzing traffic sounds to avoid obstacles. It can also serve as an educational tool for understanding the blind perspective.

**Highlights:** Audio-based gameplay, Traffic sound simulation, Virtual road crossing challenges, Text-to-speech integration, Educational tool for spatial orientation, Multiple game levels

**In-app purchases (3)**

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


### Otso

[App page](https://appshunter.io/ios/app/otso-visual-timer/id6778631652)

This app provides a visual countdown timer that uses a shrinking colored wedge instead of numbers. It offers various aesthetic designs and tactile feedback, making time management intuitive for all ages. The app is designed for privacy with no accounts or data collection.

**Highlights:** Visual countdown wedge, Customizable faces and sounds, Dynamic Island and Lock Screen integration, No ads or subscriptions, Private by design, Tactile feedback and animations

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EchoVis Street free?

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

### Is Otso free?

Otso costs $0.99, with no in-app purchases.

### Which has better reviews, EchoVis Street or Otso?

Otso is rated higher. EchoVis Street averages 4.0 out of 5 from 2 ratings, while Otso averages 5.0 from 1 ratings.

### Do EchoVis Street or Otso have ads?

Neither EchoVis Street nor Otso shows ads.

### Which is updated more often, EchoVis Street or Otso?

EchoVis Street ships an update every 4 months, and Otso every 3 weeks. Most recently, EchoVis Street was updated on October 2, 2026 and Otso on October 11, 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.*