# epSpeak vs Predictable Flex

The clearest difference is in-app purchases: epSpeak at none against Predictable Flex's 2. Predictable Flex's advantage is update cadence (daily vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Predictable Flex sells 2 in-app purchases, starting at $9.99 per month. epSpeak asks for nothing beyond the download.

epSpeak ships an update every 2 weeks, Predictable Flex daily. The most recent releases landed on November 5, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | epSpeak | Predictable Flex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 72 MB | 1.7 GB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vadim Tabakman](https://appshunter.io/developer/6784034644) | [Prentke Romich Company](https://appshunter.io/developer/474446992) |

## What reviewers say

### epSpeak

[App page](https://appshunter.io/ios/app/epspeak/id6785286042)

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

**In-app purchases:** none


### Predictable Flex

[App page](https://appshunter.io/ios/app/predictable-flex/id6791975561)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Yearly Subscription | $99.99 | per year |


## Frequently asked questions

### Is epSpeak free?

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

### Is Predictable Flex free?

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

### Do epSpeak or Predictable Flex have ads?

Neither epSpeak nor Predictable Flex shows ads.

### Which is updated more often, epSpeak or Predictable Flex?

epSpeak ships an update every 2 weeks, and Predictable Flex daily. Most recently, epSpeak was updated on November 5, 2026 and Predictable Flex on November 13, 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.*