# Kaia FIT On vs Deeplingo

The clearest difference is in-app purchases: Kaia FIT On at none against Deeplingo's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Deeplingo sells 2 in-app purchases, starting at $34.99 per year. Kaia FIT On asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 20, 2026.

## The numbers

| Metric | Kaia FIT On | Deeplingo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 49 MB | 60 MB |
| Requires iOS | **16.6** | 17 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kaia FIT](https://appshunter.io/developer/661323138) | [Ranjithkumar Ramakrishnan](https://appshunter.io/developer/1878319237) |

## What reviewers say

### Kaia FIT On

[App page](https://appshunter.io/ios/app/kaia-fit-on-demand/id6503916063)

**In-app purchases:** none


### Deeplingo

[App page](https://appshunter.io/ios/app/deeplingo/id6759365080)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Deeplingo Pro (Annual Plan) | $34.99 | per year |
| DeepLingo Pro — 1 Year | $29.99 | one-time |


## Frequently asked questions

### Is Kaia FIT On free?

Kaia FIT On is free to download, with no in-app purchases.

### Is Deeplingo free?

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

### Do Kaia FIT On or Deeplingo have ads?

Neither Kaia FIT On nor Deeplingo shows ads.

### Which is updated more often, Kaia FIT On or Deeplingo?

Kaia FIT On ships an update every 3 weeks, and Deeplingo every 3 weeks. Most recently, Kaia FIT On was updated on October 20, 2026 and Deeplingo on October 20, 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.*