# Probiotics Guide. vs Modern Dictionary

The clearest difference is ads: Modern Dictionary at none against Probiotics Guide.'s shown. Probiotics Guide.'s advantage is update cadence (every 2 weeks vs every 2 months) and iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Probiotics Guide. sells 2 in-app purchases, starting at $1.99 per month and Modern Dictionary sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Probiotics Guide. ships an update every 2 weeks, Modern Dictionary every 2 months. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Probiotics Guide. | Modern Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 160 MB | 102 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Olga Ivanova](https://appshunter.io/developer/1733570435) | [Civan Korkmaz](https://appshunter.io/developer/1725275668) |

## What reviewers say

### Probiotics Guide.

[App page](https://appshunter.io/ios/app/probiotics-guide/id6720753184)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $1.99 | per month |
| Sponsorship | $1.99 | one-time |


### Modern Dictionary

[App page](https://appshunter.io/ios/app/modern-dictionary/id6743415881)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly Subscription | $6.99 | per year |


## Frequently asked questions

### Is Probiotics Guide. free?

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

### Is Modern Dictionary free?

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

### Do Probiotics Guide. or Modern Dictionary have ads?

Probiotics Guide. shows ads; Modern Dictionary does not.

### Which is updated more often, Probiotics Guide. or Modern Dictionary?

Probiotics Guide. ships an update every 2 weeks, and Modern Dictionary every 2 months. Most recently, Probiotics Guide. was updated on November 4, 2026 and Modern Dictionary on November 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.*