Comparison

Oilmanac vs CraftCalc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Oilmanac

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
Read full description

Oilmanac is a maintenance manager and service log for all your machines with small engines. It keeps all your maintenance data in one convenient place - on your iPhone, iPad, or both. No need to dig out the user manual and page through it every year to perform routine maintenance on your machine. Pull up the machine in Oilmanac, and all the information you need to perform the maintenance is immediately available. Once the maintenance is completed, you can easily record all the services you performed in the Service Log tab. Enter your model specifications and maintenance recommendations for each machine from your user manual, or download them from the user database if available. A wide variety of machine types are available, including lawn mowers, lawn edgers, leaf blowers, yard vacuums, weed trimmers, hedge trimmers, tillers, power washers, water pumps, augers, chainsaws, log splitters, generators, snow blowers, outboard motors, personal water craft, all terrain vehicles, and snowmobiles. Available services are tailored to the specific machine, including oil and oil filter change, spark plug change, air filter clean and change, transmission/gear oil change for self propelled machines, grease, and others. Additional features: ∙ Automatically download model specifications and maintenance recommendations from the user database ∙ Complete service record for all your machines ∙ Create shopping lists for material needed for service: oil, filters, spark plugs and more ∙ Set reminders when service is due for each machine, or schedule annually ∙ iCloud sync: all your machine data is stored securely in your iCloud account, and is available on all your iOS and macOS devices logged into iCloud - iPhone and iPad, and now your Macs with Oilmanac for macOS. (Requires iCloud Drive. Oilmanac for macOS available as separate purchase on the Mac App Store.)

About

CraftCalc

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
Read full description

**Measure Twice, Calculate Once: The Simple Fraction Calculator for Makers** Take the guesswork out of your measurements! Designed specifically for woodworkers, carpenters, builders, and DIY makers, CraftCalc is the calculator you need for fractional and mixed-number calculations. **Key Features:** - Seamless Fraction Support:** Add, subtract, multiply, and divide fractions without converting to decimals. - Precision Measurement Tools:** Tailored for length calculations commonly used in woodworking and construction. - Easy-to-Use Interface:** No fluff, just the tools you need to get accurate results fast. - Inches & Metric Conversions:** Switch effortlessly between standard and metric systems. Whether you’re crafting fine furniture or tackling a weekend project, CraftCalc ensures every cut is perfect. Stop wasting time on errors—start creating with confidence. **Download now and make your next project your best one yet!**

Screenshots

Oilmanac4 screens
CraftCalc4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Oilmanac versus CraftCalc: the parameters behind the verdict, then further details
ParameterOilmanacCraftCalc
Price$2.99 — better$3.99
Rating4.0 (27 ratings)5.0 (2 ratings) — better
Positive reviews53.3% of reviews100.0% of reviews — better
Number of ratings27 — better2
Update frequencyEvery 3 months — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.015.3 — better
Further details — not scored
Size10 MB30 MB
Age rating4+4+
DeveloperStarware Software LLCYong Tze Chi

Customer experience

Oilmanac

All ratings27 ratings
Positive66.7%
Neutral18.5%
Negative14.8%
Written reviews15 reviews
Positive53.3%
Neutral26.7%
Negative20.0%

CraftCalc

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Oilmanac

No in-app purchases

None

CraftCalc

No in-app purchases

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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