# Simplex vs Car Maintenance

The clearest difference is in-app purchases: Simplex at none against Car Maintenance's 3. Simplex also leads on iOS requirement (9.0 vs 17.0). Car Maintenance's advantage is update cadence (monthly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Car Maintenance sells 3 in-app purchases, starting at $2.99 per 7 days. Simplex asks for nothing beyond the download.

Simplex ships an update every 4 months, Car Maintenance monthly. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Simplex | Car Maintenance |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 34 MB | 6 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ACRI](https://appshunter.io/developer/1439465848) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Simplex

[App page](https://appshunter.io/ios/app/simplex/id1439465849)

**Features:** macOS Compatibility

**In-app purchases:** none


### Car Maintenance

[App page](https://appshunter.io/ios/app/car-maintenance-fuel-and-log/id6767790392)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Annual Premium | $14.99 | per year |
| Lifetime Premium | $29.99 | one-time |


## Frequently asked questions

### Is Simplex free?

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

### Is Car Maintenance free?

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

### Do Simplex or Car Maintenance have ads?

Neither Simplex nor Car Maintenance shows ads.

### Which is updated more often, Simplex or Car Maintenance?

Simplex ships an update every 4 months, and Car Maintenance monthly. Most recently, Simplex was updated on November 2, 2026 and Car Maintenance on October 25, 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.*