# TopReader vs Calc Training (30sec)

The clearest difference is in-app purchases: TopReader at none against Calc Training (30sec)'s 3. Calc Training (30sec)'s advantage is review sentiment (72% vs 62%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calc Training (30sec) sells 3 one-off in-app purchases. TopReader asks for nothing beyond the download.

TopReader ships an update every 6 weeks, Calc Training (30sec) monthly. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | TopReader | Calc Training (30sec) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 61.9% of reviews | **72.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 6 MB | 8 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MUTSUAKI KIKUCHI](https://appshunter.io/developer/1874283283) | [Tomohiro Ohwada](https://appshunter.io/developer/991660409) |

## What reviewers say

### TopReader

[App page](https://appshunter.io/ios/app/topreader/id1487352741)

This app transforms written text into spoken audio files. You can save audio in various formats, share it, create playlists, and customize playback speed and voice. It supports numerous languages and background playback.

**Highlights:** Text to audio synthesis, Multiple audio file formats, Audio sharing capabilities, Playlist creation, Adjustable playback speed and pitch, Background playback, Multi-language support

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

**In-app purchases:** none


### Calc Training (30sec)

[App page](https://appshunter.io/ios/app/calc-training-30sec/id1547381216)

Sharpen your mental math skills with quick, 30-second training sessions. Practice addition, subtraction, multiplication, and mixed problems to improve your arithmetic speed and accuracy. Track your personal bests and challenge yourself to beat your previous scores.

**Highlights:** 30-second intensive training sessions, Addition practice, Subtraction practice, Multiplication practice, Mixed problem training, Personal best tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Development support | $1.99 | one-time |
| Remove Ads & Support | $2.99 | one-time |


## Frequently asked questions

### Is TopReader free?

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

### Is Calc Training (30sec) free?

Calc Training (30sec) is free to download, with in-app purchases available.

### Do TopReader or Calc Training (30sec) have ads?

Both TopReader and Calc Training (30sec) show ads.

### Which is updated more often, TopReader or Calc Training (30sec)?

TopReader ships an update every 6 weeks, and Calc Training (30sec) monthly. Most recently, TopReader was updated on October 7, 2026 and Calc Training (30sec) on October 8, 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.*