# Study Phonics vs Let's Smile 6

The clearest difference is update cadence: Study Phonics at every 8 months against Let's Smile 6's every 19 months. Let's Smile 6's advantage is iOS requirement (10.0 vs 15). 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.

Study Phonics ships an update every 8 months, Let's Smile 6 every 19 months. The most recent releases landed on September 14, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Study Phonics | Let's Smile 6 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 19 months |
| Size | 46 MB | 828 MB |
| Requires iOS | 15 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masao Nakajima](https://appshunter.io/developer/1537219074) | [e-future Co., Ltd.](https://appshunter.io/developer/522346678) |

## What reviewers say

### Study Phonics

[App page](https://appshunter.io/ios/app/study-phonics/id1548240927)

**Features:** macOS Compatibility

**In-app purchases:** none


### Let's Smile 6

[App page](https://appshunter.io/ios/app/lets-smile-6/id1566810842)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Study Phonics free?

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

### Is Let's Smile 6 free?

Let's Smile 6 is free to download, with no in-app purchases.

### Do Study Phonics or Let's Smile 6 have ads?

Neither Study Phonics nor Let's Smile 6 shows ads.

### Which is updated more often, Study Phonics or Let's Smile 6?

Study Phonics ships an update every 8 months, and Let's Smile 6 every 19 months. Most recently, Study Phonics was updated on September 14, 2026 and Let's Smile 6 on September 17, 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.*