# Oilmanac vs CraftCalc

The clearest difference is review sentiment: CraftCalc at 100% against Oilmanac's 53%. CraftCalc also leads on rating (5.0 vs 4.0) and iOS requirement (15.3 vs 18.0). Oilmanac's advantage is ratings volume (27 vs 2) and price ($2.99 vs $3.99). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Oilmanac costs $2.99 and CraftCalc $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CraftCalc holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Oilmanac has 27 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 53% of Oilmanac's written reviews are positive against 100% of CraftCalc's.

Oilmanac ships an update every 3 months, CraftCalc every 5 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Oilmanac | CraftCalc |
| --- | --- | --- |
| Price | **$2.99** | $3.99 |
| Rating | [4.0 (27 ratings)](https://appshunter.io/ios/app/oilmanac/id1453337134/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/craftcalc/id6740346446/reviews)** |
| Number of ratings | **27** | 2 |
| Positive reviews | 53.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Paid | Paid |
| Size | 10 MB | 30 MB |
| Requires iOS | 18.0 | **15.3** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Starware Software LLC](https://appshunter.io/developer/988250389) | [Yong Tze Chi](https://appshunter.io/developer/1789609348) |

## What reviewers say

### Oilmanac

[App page](https://appshunter.io/ios/app/oilmanac/id1453337134)

Manage maintenance and service logs for small engine machines. Access model specifications and recommendations, track completed services, and set reminders for upcoming maintenance. Syncs data across iOS and macOS devices via iCloud.

**Highlights:** Machine maintenance management, Service log tracking, Model specification database, Maintenance reminders, Shopping list creation, iCloud sync

**Features:** Vision Pro support

**In-app purchases:** none


### CraftCalc

[App page](https://appshunter.io/ios/app/craftcalc/id6740346446)

This app simplifies fractional and mixed-number calculations for makers, woodworkers, and builders. It offers seamless fraction arithmetic and precision measurement tools with an easy-to-use interface. Supports both inches and metric units for accurate project planning.

**Highlights:** Fractional addition, subtraction, multiplication, division, Precision measurement tools for length, Intuitive and fast user interface, Inches and metric unit conversion, Support for mixed numbers

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

**In-app purchases:** none


## Frequently asked questions

### Is Oilmanac free?

Oilmanac costs $2.99, with no in-app purchases.

### Is CraftCalc free?

CraftCalc costs $3.99, with no in-app purchases.

### Which has better reviews, Oilmanac or CraftCalc?

CraftCalc is rated higher. Oilmanac averages 4.0 out of 5 from 27 ratings, while CraftCalc averages 5.0 from 2 ratings.

### Do Oilmanac or CraftCalc have ads?

Neither Oilmanac nor CraftCalc shows ads.

### Which is updated more often, Oilmanac or CraftCalc?

Oilmanac ships an update every 3 months, and CraftCalc every 5 months. Most recently, Oilmanac was updated on November 2, 2026 and CraftCalc on November 4, 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.*