# Hearlo vs Synapse

The clearest difference is update cadence: Hearlo at every 3 weeks against Synapse's every 2 months. Synapse's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Hearlo ships an update every 3 weeks, Synapse every 2 months. The most recent releases landed on September 22, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Hearlo | Synapse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (29 ratings)](https://appshunter.io/ios/app/hearlo/id1386834397/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 48.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 60 MB | 60 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ASTECH S.A.S.](https://appshunter.io/developer/1386834396) | [Zinc Digital](https://appshunter.io/developer/1147605401) |

## What reviewers say

### Hearlo

[App page](https://appshunter.io/ios/app/hearlo/id1386834397)

This app facilitates communication for individuals with speech or hearing disabilities. It offers real-time audio transcription, text-to-speech conversion, and translation in multiple languages, including offline support. A customizable pictogram library and business-specific navigation features enhance accessibility.

**Highlights:** Real-time audio transcription, Text-to-speech conversion, Real-time translation, Multi-language support, Offline communication, Customizable pictogram library

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

**In-app purchases:** none


### Synapse

[App page](https://appshunter.io/ios/app/synapse-vm/id1579685518)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hearlo free?

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

### Is Synapse free?

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

### Do Hearlo or Synapse have ads?

Neither Hearlo nor Synapse shows ads.

### Which is updated more often, Hearlo or Synapse?

Hearlo ships an update every 3 weeks, and Synapse every 2 months. Most recently, Hearlo was updated on September 22, 2026 and Synapse on September 27, 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.*