# SOSmaths vs Racine Lecture

The clearest difference is update cadence: Racine Lecture at every 3 weeks against SOSmaths's every 11 months. SOSmaths's advantage is iOS requirement (11.0 vs 15.0). 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.

SOSmaths ships an update every 11 months, Racine Lecture every 3 weeks. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | SOSmaths | Racine Lecture |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 78 MB | 9 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DEUSE](https://appshunter.io/developer/1291290064) | [Corneille](https://appshunter.io/developer/1400362844) |

## What reviewers say

### SOSmaths

[App page](https://appshunter.io/ios/app/sosmaths/id1483450176)

**Features:** macOS Compatibility

**In-app purchases:** none


### Racine Lecture

[App page](https://appshunter.io/ios/app/racine-lecture/id6476321702)

This app helps individuals improve their reading skills through personalized activities and progress tracking. It offers a judgment-free environment designed to boost confidence and motivation, making reading practice engaging and accessible on mobile devices.

**Highlights:** Personalized reading assessment, Adaptive activity progression, Vocabulary and phonetics enrichment, Progress tracking, Engaging mobile training, Confidence building

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

**In-app purchases:** none


## Frequently asked questions

### Is SOSmaths free?

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

### Is Racine Lecture free?

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

### Do SOSmaths or Racine Lecture have ads?

Neither SOSmaths nor Racine Lecture shows ads.

### Which is updated more often, SOSmaths or Racine Lecture?

SOSmaths ships an update every 11 months, and Racine Lecture every 3 weeks. Most recently, SOSmaths was updated on October 3, 2026 and Racine Lecture on October 1, 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.*