# Grimoire A.I. vs RegretShield

The clearest difference is in-app purchases: RegretShield at none against Grimoire A.I.'s 1. RegretShield also leads on update cadence (every 11 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Grimoire A.I. sells 1 in-app purchase, starting at $6.99 per month. RegretShield asks for nothing beyond the download.

Grimoire A.I. ships an update every 2 months, RegretShield every 11 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Grimoire A.I. | RegretShield |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Size | 49 MB | 3 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Nazarene Lakey](https://appshunter.io/developer/1879630927) | [Kaldi Global Inc](https://appshunter.io/developer/6788901260) |

## What reviewers say

### Grimoire A.I.

[App page](https://appshunter.io/ios/app/grimoire-ai/id6759899174)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GrimoireAI Pro Monthly Membership | $6.99 | per month |


### RegretShield

[App page](https://appshunter.io/ios/app/regretshield/id6788901258)

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

**In-app purchases:** none


## Frequently asked questions

### Is Grimoire A.I. free?

Grimoire A.I. is free to download, with in-app purchases available.

### Is RegretShield free?

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

### Do Grimoire A.I. or RegretShield have ads?

Neither Grimoire A.I. nor RegretShield shows ads.

### Which is updated more often, Grimoire A.I. or RegretShield?

Grimoire A.I. ships an update every 2 months, and RegretShield every 11 days. Most recently, Grimoire A.I. was updated on November 5, 2026 and RegretShield on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*