Comparison

MSPumper vs ChemLog

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

Head to head
About

MSPumper

Features
Read full description

Remotely view and control your MobileStar pumper panels.

About

ChemLog

This app helps farmers and pesticide applicators create compliant, professional spray records digitally. It logs application details, weather data, field information, equipment, and pilot profiles, generating one-tap PDF reports and exporting data to CSV.

Highlights
  • Log chemical applications with weather data
  • Define and map fields with automatic acreage calculation
  • Track equipment and pilot details
  • Import chemical labels via barcode or photo
  • Generate one-tap PDF compliance reports
  • Share records with crew via AirDrop/Messages
  • Export data to CSV
Features
Read full description

ChemLog requires a ChemLog Pro subscription to access all features. A 7-day free trial is included automatically — no payment required to get started. Subscriptions are billed monthly or annually and can be cancelled at any time in your Apple ID settings. ChemLog is the spray record-keeping app built for farmers and licensed pesticide applicators who want compliant, professional records without the paperwork. LOG EVERY APPLICATION: Record chemicals, application rates, total volume, and area covered for each spray session. Weather data — wind speed, direction, temperature, and humidity — is captured at the time of logging so your records are always accurate. KNOW YOUR FIELDS: Add your fields once and link them to every session. Mark polygon boundaries on satellite imagery by tapping points around your field perimeter — ChemLog automatically calculates acreage so you don't have to measure it yourself. TRACK YOUR EQUIPMENT: Log which drone or sprayer you used for each application. Store FAA registration numbers, serial numbers, and equipment details in one place. MANAGE YOUR PILOTS: Store pilot profiles with their FAA Part 137 certificate, business insurance, FAA drone registration, and state applicators license — all in one place. Assign pilots to spray sessions and include them automatically in your PDF reports. IMPORT CHEMICAL LABELS: Scan the barcode on a pesticide container to pre-fill the EPA registration number instantly. Or import a photo or PDF of the label and let ChemLog read the product name, manufacturer, active ingredients, and EPA numbers automatically. ONE-TAP PDF REPORTS: Generate a complete, compliance-ready application record for any session in one tap. Professional PDF reports include all application details, weather conditions, field information, chemical data, and pilot information — ready to share with your agronomist, co-op, or for your own records. SHARE WITH YOUR CREW: Share chemical and drone records instantly with co-workers via AirDrop or Messages. One tap exports the record as a file — they open it and it imports directly into their ChemLog. EXPORT TO CSV: Export all your spray records as a CSV file for use in Excel, Google Sheets, or any record-keeping system your operation requires. ICLOUD SYNC: Your data stays in sync across all your Apple devices automatically via iCloud. Records logged in the field on your iPhone are waiting for you on your iPad back at the office. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

MSPumper4 screens
ChemLog4 screens

Verdict

The call

The clearest difference is in-app purchases: MSPumper at none against ChemLog's 2. MSPumper also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support 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

Both are free to download. ChemLog sells 2 in-app purchases, starting at $9.99 per month. MSPumper asks for nothing beyond the download.

UpkeepUpdate frequency

MSPumper ships an update every 2 weeks, ChemLog every 2 months. The most recent releases landed on September 22, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 6 level
MSPumper versus ChemLog: the parameters behind the verdict, then further details
ParameterMSPumperChemLog
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Subscription
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size35 MB3 MB
Age rating4+4+
DeveloperMobileStarKyler Scheer

In-app purchases

None

MSPumper

No in-app purchases

2 purchases

ChemLog

Subscriptions2
  • ChemLog Monthly7 Days trial$9.991 Month
  • ChemLog Annual7 Days trial$99.991 Year

Questions

Is MSPumper free?
MSPumper is free to download, with no in-app purchases.
Is ChemLog free?
ChemLog is free to download, with in-app purchases available.
Do MSPumper or ChemLog have ads?
Neither MSPumper nor ChemLog shows ads.
Which is updated more often, MSPumper or ChemLog?
MSPumper ships an update every 2 weeks, and ChemLog every 2 months. Most recently, MSPumper was updated on September 22, 2026 and ChemLog on October 1, 2026.

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