# CloudLabs Acetic Acid Synth vs eSpaceReading

The clearest difference is in-app purchases: CloudLabs Acetic Acid Synth at none against eSpaceReading's 3. CloudLabs Acetic Acid Synth also leads on iOS requirement (9.0 vs 13.4). eSpaceReading's advantage is update cadence (daily vs every 28 months). On price, ads and device support there is nothing between them.

Both are free to download. eSpaceReading sells 3 in-app purchases, starting at $5.99 per 6 months. CloudLabs Acetic Acid Synth asks for nothing beyond the download.

CloudLabs Acetic Acid Synth ships an update every 28 months, eSpaceReading daily. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | CloudLabs Acetic Acid Synth | eSpaceReading |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Daily** |
| Size | 82 MB | 113 MB |
| Requires iOS | **9.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [Tran Van Nam](https://appshunter.io/developer/867943152) |

## What reviewers say

### CloudLabs Acetic Acid Synth

[App page](https://appshunter.io/ios/app/cloudlabs-acetic-acid-synth/id1596516053)

**Features:** macOS Compatibility

**In-app purchases:** none


### eSpaceReading

[App page](https://appshunter.io/ios/app/espacereading/id6470707062)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6 Months Subscription | $5.99 | per 6 months |
| 1 Year Subscription | $9.99 | per year |
| Life Time | $19.99 | one-time |


## Frequently asked questions

### Is CloudLabs Acetic Acid Synth free?

CloudLabs Acetic Acid Synth is free to download, with no in-app purchases.

### Is eSpaceReading free?

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

### Do CloudLabs Acetic Acid Synth or eSpaceReading have ads?

Neither CloudLabs Acetic Acid Synth nor eSpaceReading shows ads.

### Which is updated more often, CloudLabs Acetic Acid Synth or eSpaceReading?

CloudLabs Acetic Acid Synth ships an update every 28 months, and eSpaceReading daily. Most recently, CloudLabs Acetic Acid Synth was updated on October 9, 2026 and eSpaceReading on October 4, 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.*