# Sleep IGO vs Smilingual

The clearest difference is in-app purchases: Smilingual at none against Sleep IGO's 1. Smilingual also leads on ads (none vs shown) and device support (4 vs 1). On price and update cadence there is nothing between them.

Both are free to download. Sleep IGO sells 1 one-off in-app purchase. Smilingual asks for nothing beyond the download.

Sleep IGO ships an update every 4 months, Smilingual every 2 months. The most recent releases landed on October 26, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Sleep IGO | Smilingual |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 78.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 7 MB | 17 MB |
| Requires iOS | 16 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Yuji Fujishiro](https://appshunter.io/developer/408783464) | [Shamrock Records, Inc.](https://appshunter.io/developer/443431466) |

## What reviewers say

### Sleep IGO

[App page](https://appshunter.io/ios/app/sleep-igo/id451384740)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| play point 50 | $0.99 | one-time |


### Smilingual

[App page](https://appshunter.io/ios/app/smilingual/id1449029353)

This application translates spoken words into over 130 languages. Simply select your language, speak into the app, and receive instant translations. It's designed for easy communication during travel, hospitality, and everyday interactions.

**Highlights:** Real-time voice translation, Supports over 130 languages, Easy to use interface, Share favorite phrases, URL scheme integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Sleep IGO free?

Sleep IGO is free to download, with in-app purchases available.

### Is Smilingual free?

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

### Do Sleep IGO or Smilingual have ads?

Sleep IGO shows ads; Smilingual does not.

### Which is updated more often, Sleep IGO or Smilingual?

Sleep IGO ships an update every 4 months, and Smilingual every 2 months. Most recently, Sleep IGO was updated on October 26, 2026 and Smilingual on November 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*