# TheaAI vs 1500cals

The clearest difference is update cadence: 1500cals at every 8 months against TheaAI's every 28 months. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TheaAI ships an update every 28 months, 1500cals every 8 months. The most recent releases landed on September 13, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | TheaAI | 1500cals |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 28 months | **Every 8 months** |
| Size | 207 MB | 2 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | — | **iPhone** |
| Age rating | 17+ | 12+ |
| Developer | [Eeshita Pande](https://appshunter.io/developer/1712722309) | [Miles Better Ventures Ltd](https://appshunter.io/developer/1713229932) |

## What reviewers say

### TheaAI

[App page](https://appshunter.io/ios/app/theaai/id6469852329)

**In-app purchases:** none


### 1500cals

[App page](https://appshunter.io/ios/app/1500cals/id6470238113)

**In-app purchases:** none


## Frequently asked questions

### Is TheaAI free?

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

### Is 1500cals free?

1500cals is free to download, with no in-app purchases.

### Which is updated more often, TheaAI or 1500cals?

TheaAI ships an update every 28 months, and 1500cals every 8 months. Most recently, TheaAI was updated on September 13, 2026 and 1500cals on September 12, 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.*