# Spark Reading for Kids vs Relay Reader

The clearest difference is review sentiment: Spark Reading for Kids at 78% against Relay Reader's 0%. Spark Reading for Kids also leads on update cadence (every 10 days vs every 7 months) and ratings volume (7.9K vs 9). Relay Reader's advantage is in-app purchases (none vs 6) and iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Spark Reading for Kids sells 6 in-app purchases, starting at $3.99 per month. Relay Reader asks for nothing beyond the download.

Spark Reading for Kids holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Spark Reading for Kids has 7.9K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 78% of Spark Reading for Kids's written reviews are positive against 0% of Relay Reader's.

Spark Reading for Kids ships an update every 10 days, Relay Reader every 7 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Spark Reading for Kids | Relay Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (7.9K ratings)](https://appshunter.io/ios/app/spark-reading-for-kids/id739985631/reviews)** | [4.3 (9 ratings)](https://appshunter.io/ios/app/relay-reader/id1478453360/reviews) |
| Number of ratings | **7.9K** | 9 |
| Positive reviews | **77.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 350 MB | 19 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Peekaboo Studios LLC](https://appshunter.io/developer/375031868) | [Educational Testing Service](https://appshunter.io/developer/923503056) |

## What reviewers say

### Spark Reading for Kids

[App page](https://appshunter.io/ios/app/spark-reading-for-kids/id739985631)

This app offers a digital library of age-appropriate books for children in grades 2-8 to improve reading skills. It features interactive comprehension questions, progress tracking, and stories aligned with school curricula. Users can listen to stories and follow along, making reading practice engaging and accessible.

**Highlights:** Age-appropriate books (grades 2-8), Interactive comprehension questions, Listen and follow along feature, Progress and score tracking, Aligned with school curriculum, Offline access

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access | $3.99 | per month |
| Monthly Subscription | $3.99 | per month |
| All Access | $6.99 | per 3 months |
| Annual Subscription | $23.99 | per year |
| All Access | $23.99 | per year |
| All Access | $23.99 | per year |

**What reviewers like**

- 👍 Helpful for reading comprehension
- 🚀 Engaging and interactive
- 💡 Customizable reading levels
- 🤩 Fun and educational

**What reviewers complain about**

- 💰 Paid content/subscription required
- 🐛 Occasional crashes and bugs
- 🤔 Limited content for higher grade levels
- 🤖 Robotic/monotonous reading voices

**Reported bugs**

- Login/account issues
- Compatibility problems on older devices
- Syncing issues across multiple devices

**Requested features**

- More free content and books
- Ability to highlight/take notes
- Customizable reading difficulty
- Support for dyslexic readers


### Relay Reader

[App page](https://appshunter.io/ios/app/relay-reader/id1478453360)

This app helps users of all ages improve their reading skills by taking turns reading aloud with a virtual partner. Users can record themselves to practice and build confidence while enjoying classic literature.

**Highlights:** Turn-based reading with virtual partner, Self-recording for reflection, Builds reading confidence and stamina, Access to literary classics, Suitable for all ages

**In-app purchases:** none


## Frequently asked questions

### Is Spark Reading for Kids free?

Spark Reading for Kids is free to download, with in-app purchases available.

### Is Relay Reader free?

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

### Which has better reviews, Spark Reading for Kids or Relay Reader?

Spark Reading for Kids is rated higher. Spark Reading for Kids averages 4.6 out of 5 from 7.9K ratings, while Relay Reader averages 4.3 from 9 ratings.

### Do Spark Reading for Kids or Relay Reader have ads?

Neither Spark Reading for Kids nor Relay Reader shows ads.

### Which is updated more often, Spark Reading for Kids or Relay Reader?

Spark Reading for Kids ships an update every 10 days, and Relay Reader every 7 months. Most recently, Spark Reading for Kids was updated on October 26, 2026 and Relay Reader on October 25, 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.*