# Bowdoin Safe vs 66 Days

The clearest difference is in-app purchases: Bowdoin Safe at none against 66 Days's 2. Bowdoin Safe also leads on iOS requirement (15.6 vs 17.0). 66 Days's advantage is update cadence (every 10 days vs every 27 months). On price, ads and device support there is nothing between them.

Both are free to download. 66 Days sells 2 in-app purchases, starting at $15.99 per month. Bowdoin Safe asks for nothing beyond the download.

Bowdoin Safe ships an update every 27 months, 66 Days every 10 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Bowdoin Safe | 66 Days |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (259 ratings)](https://appshunter.io/ios/app/66-days-ai-interview-prep/id6752681422/reviews)** |
| Number of ratings | — | **259** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 10 days** |
| Monetization | — | Freemium |
| Size | 28 MB | 110 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bowdoin College](https://appshunter.io/developer/338493685) | [Uru Technologies, LLC](https://appshunter.io/developer/1840551197) |

## What reviewers say

### Bowdoin Safe

[App page](https://appshunter.io/ios/app/bowdoin-safe/id1592542335)

**Features:** Vision Pro support

**In-app purchases:** none


### 66 Days

[App page](https://appshunter.io/ios/app/66-days-ai-interview-prep/id6752681422)

Master banking and consulting interviews with daily AI-powered practice. Track your progress on a 66-day journey with personalized feedback on technical, behavioral, and case questions. Improve your resume and gain confidence for top firms.

**Highlights:** AI interview coach with personalized feedback, Daily drills for behavioral, technical, and case questions, 66-day progress heat map, Resume checker, Excel and valuation tools, Analytics dashboard

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 66 Days Prep Pro | $15.99 | per month |
| 66 Days Prep Pro | $49.99 | per year |


## Frequently asked questions

### Is Bowdoin Safe free?

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

### Is 66 Days free?

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

### Do Bowdoin Safe or 66 Days have ads?

Neither Bowdoin Safe nor 66 Days shows ads.

### Which is updated more often, Bowdoin Safe or 66 Days?

Bowdoin Safe ships an update every 27 months, and 66 Days every 10 days. Most recently, Bowdoin Safe was updated on November 3, 2026 and 66 Days on November 5, 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.*