eXact iDip vs Kactoily
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
eXact iDip
This app transforms your smartphone into a powerful water testing tool. It works with a handheld photometer to provide accurate water analysis, store data, and track locations. Customize your testing with over 40 additional parameters available for purchase.
- Share test data via CSV
- Seamless smartphone integration
- Parameter information and data storage
- GPS tracking
- Over 40 purchasable test parameters
- Quick and simple testing procedure
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Harness the power of the smartphone AND upgrade the way you test water! Share E–mail test data via CSV file (spreadsheet) The exciting eXact iDip® Smart Photometer System® by ITS, Inc. harnesses the power of smart devices and the simplicity of design to handle the heavy lifting of complex water testing. The smart phone app is designed to work seamlessly with the waterproof handheld unit with parameter information, data storage and GPS tracking included. With guaranteed exact results in less time, our new smarter process will revolutionize water testing. The app comes with 4 tests installed including pH, Free Chlorine, Combined Chlorine (Chloramines) and Total Alkalinity. Over 40 additional parameters are available for in app purchase ($4.99/ea), so you can tailor the eXact iDip® to suit your needs at a fraction of the cost of competing multi-parameter photometers. The simple and quick testing procedure takes the guesswork out of results. It’s like having a laboratory in the palm of your hand.
Kactoily
This app monitors water quality for pools, aquariums, and other water bodies. It helps users track key parameters to ensure optimal conditions. The application provides essential data for maintaining healthy aquatic environments.
- Water quality monitoring
- Pool monitoring
- Aquarium monitoring
- Data tracking
- Environmental maintenance
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pool monitor,water monitor,aquarium monitor
Screenshots
Verdict
The clearest difference is rating: eXact iDip at 4.0 against Kactoily's 2.5. eXact iDip also leads on review sentiment (67% vs 25%) and ratings volume (56 vs 11). Kactoily's advantage is in-app purchases (none vs 18) and update cadence (every 9 days vs every 6 weeks). 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
Both are free to download. eXact iDip sells 18 one-off in-app purchases. Kactoily asks for nothing beyond the download.
eXact iDip holds the better App Store score, 4.0 against 2.5. That said, the two scores are not equally well evidenced: eXact iDip has 56 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 67% of eXact iDip's written reviews are positive against 25% of Kactoily's.
eXact iDip ships an update every 6 weeks, Kactoily every 9 days. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.
| Parameter | eXact iDip | Kactoily |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (56 ratings) — better | 2.5 (11 ratings) |
| Positive reviews | 66.7% of reviews — better | 25.0% of reviews |
| Number of ratings | 56 — better | 11 |
| Update frequency | Every 6 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13 — better |
| Further details — not scored | ||
| Size | 41 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Industrial Test Systems Inc. | 彦浩 宋 |
Customer experience
eXact iDip
Kactoily
Bugs and requests
eXact iDip
Reported bugs
10 issues- Bluetooth connection problems
- App crashes on launch or during use
- Lost purchased tests after update
- Results data goes missing
- Store section not showing items
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- App not working on iOS 13
- Crashing when importing contacts
- Cannot save tests to customer
- Varying results from same sample
- Hanging dialogue boxes ('configuring', 'loading algorithm')
Requested features
7 requests- Improve user interface and navigation
- Allow setting customer/site once for personal use
- Provide actual readings instead of 'LO'/'HIGH'
- Full screen support for iPhone X and iPads
- Better interface/integration between devices
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- Option to not require GPS
- Make test purchases more straightforward
Kactoily
Not enough reviews yet to summarise bugs or requests.
In-app purchases
eXact iDip
- Chloride CH$4.99
- Copper CU$4.99
- Hardness, Total Low THL$4.99
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- Iron, Total FE$4.99
- Nitrate, Fresh NO3$4.99
- Phosphate PO4$4.99
- Sulfate SO4$4.99
- Hardness, Total High THH$4.99
- Calcium CA$4.99
- Cyanuric Acid CY-III$4.99
- Manganese MN$4.99
- Chlorine, Total (DPD-4) CL$4.99
- Turbidity TU$4.99
- Bromine, Total (DPD-4) bR$4.99
- Pool Bundle$8.99
- Smart Brew Bundle$18.99
- 570 Marine Bundle$23.99
- Well Bundle$34.99
Kactoily
No in-app purchases
