# Whaller Polytechnique vs Delos mobile

The clearest difference is in-app purchases: Whaller Polytechnique at none against Delos mobile's 7. Delos mobile's advantage is update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Delos mobile sells 7 in-app purchases, starting at $29.99 per month. Whaller Polytechnique asks for nothing beyond the download.

Whaller Polytechnique ships an update monthly, Delos mobile every 2 weeks. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Whaller Polytechnique | Delos mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 115 MB | 122 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Whaller](https://appshunter.io/developer/860673959) | [Delos Intelligence](https://appshunter.io/developer/1823700558) |

## What reviewers say

### Whaller Polytechnique

[App page](https://appshunter.io/ios/app/whaller-polytechnique/id6737478131)

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

**In-app purchases:** none


### Delos mobile

[App page](https://appshunter.io/ios/app/delos-mobile/id6747983929)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Explore Mensuel | $29.99 | per month |
| Advanced Mensuel | $49.99 | per month |
| Premium Mensuel | $99.99 | per month |
| Infinite Mensuel | $229.99 | per month |
| Petit sac de crédits | $69.00 | one-time |
| Sac de crédits moyen | $229.00 | one-time |
| Grand sac de crédits | $899.00 | one-time |


## Frequently asked questions

### Is Whaller Polytechnique free?

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

### Is Delos mobile free?

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

### Do Whaller Polytechnique or Delos mobile have ads?

Neither Whaller Polytechnique nor Delos mobile shows ads.

### Which is updated more often, Whaller Polytechnique or Delos mobile?

Whaller Polytechnique ships an update monthly, and Delos mobile every 2 weeks. Most recently, Whaller Polytechnique was updated on October 22, 2026 and Delos mobile on October 24, 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.*