# Car Diary vs Question Notes

The clearest difference is in-app purchases: Car Diary at none against Question Notes's 3. Car Diary also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.1). On price, update cadence and device support there is nothing between them.

Both are free to download. Question Notes sells 3 in-app purchases, starting at $0.99 per month. Car Diary asks for nothing beyond the download.

Car Diary ships an update monthly, Question Notes every 6 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Car Diary | Question Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (7 ratings)](https://appshunter.io/ios/app/car-diary-all-about-your-car/id1511285790/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 20 MB | 32 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Pandurang Yachwad](https://appshunter.io/developer/1718994969) | [COCOLEL YAZILIM TEKNOLOJİ TİCARET LİMİTED ŞİRKETİ](https://appshunter.io/developer/1876906335) |

## What reviewers say

### Car Diary

[App page](https://appshunter.io/ios/app/car-diary-all-about-your-car/id1511285790)

This app helps you manage your car's essential information and expenses. Track fuel, maintenance, and service history all in one place, with helpful reminders for upcoming services.

**Highlights:** Track gas fill-ups, Record oil change details, Log other maintenance, Service reminders, Centralized car information

**Features:** macOS Compatibility

**In-app purchases:** none


### Question Notes

[App page](https://appshunter.io/ios/app/question-notes/id6759103840)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership (Monthly) | $0.99 | per month |
| Premium Membership (3 Months) | $1.99 | per 3 months |
| Premium Membership (Yearly) | $3.99 | per year |


## Frequently asked questions

### Is Car Diary free?

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

### Is Question Notes free?

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

### Do Car Diary or Question Notes have ads?

Question Notes shows ads; Car Diary does not.

### Which is updated more often, Car Diary or Question Notes?

Car Diary ships an update monthly, and Question Notes every 6 weeks. Most recently, Car Diary was updated on October 24, 2026 and Question Notes 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.*