Comparison

Kidney Note vs Low Salt Life

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

Head to head
About

Kidney Note

Features
Read full description

This is an app that can manage blood and urine test results, suitable for patients with kidney disease. It also manages your daily blood pressure measurements and can store them in conjunction with Apple Health. The registered data can be displayed in charts or output to a CSV file for sharing. You can use the exported CSV file as a backup to restore the data or use it on other devices. Since the test results of multiple people can be registered, you can also manage the health data of your loved ones, such as family and acquaintances. To register the test results of multiple people, you will need to sign up for a monthly subscription. ■Data registration for multiple people is provided on a subscription basis. The contract unit is one month. Once you purchase, the charge will be automatically renewed. You can try it for free for one week only for the first time for each Apple Account.(You will be charged automatically after one week.) You can easily cancel your contract at any time.If you cancel during the free trial period, you can use the functions provided by this subscription until the end date of the free trial period. When purchasing the premium function by in-app (Subscriptions Type) billing, please display a list of premium functions and select it. ●Restoration when changing models If you want to use this function on this device after you change to a new mobile phone or reinstall the application, if you purchase this function with another iOS device, you can use it by performing receipt restoration. (Provided, however, only when you are signed in to the App Store with the same Apple Account) ●Confirmation and cancellation Launch the 'Settings' app from the home screen → Select 'Apple Account, iCloud+, and more' at the top of the screen → Select 'Subscriptions' → Select 'Kidney Note'. On the screen opened by this procedure, you can check the timing of the next automatic update and cancel / set the automatic update.After cancellation, you can continue to use your subscription until the expiration date. ●About automatic renewal billing If the automatic renewal is not canceled more than 24 hours before the end date of the period, the contract period will be automatically renewed. You will be charged for automatic renewal within 24 hours of the end of the contract period. ●Precautions ・Those who have been charged cannot cancel the contract by any method other than the above. ・You will be charged via your Apple Account.

About

Low Salt Life

Features
Read full description

Low Salt Life is an app that makes it easy to record and manage your daily salt intake. 【Key Features】 - Record salt content for each meal - AI-powered automatic salt estimation (OpenAI API integration) - Visualize daily salt intake with charts - Track weekly and monthly salt intake trends - Set target salt intake and monitor progress 【Recommended for】 - Those concerned about high blood pressure - Those starting a low-salt lifestyle - Those aiming for a healthier diet - Those who want to track their salt intake WHO recommends keeping daily salt intake below 5g. Let Low Salt Life support your low-salt lifestyle. * OpenAI API key is required to use the AI salt estimation feature.

Screenshots

Kidney Note4 screens
Low Salt Life1 screens

Verdict

The call

The clearest difference is ads: Low Salt Life at none against Kidney Note's shown. On price, update cadence, in-app purchases 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. Kidney Note sells 1 in-app purchase, starting at $0.99 per month and Low Salt Life sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Kidney Note ships an update every 9 days, Low Salt Life every 8 days. Both last shipped on October 25, 2026.

Scorecard1 real difference · 5 level
Kidney Note versus Low Salt Life: the parameters behind the verdict, then further details
ParameterKidney NoteLow Salt Life
PriceFreeFree
Update frequencyEvery 9 daysEvery 8 days — better
AdsYesNo — better
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.626.2 — better
Further details — not scored
Size18 MB12 MB
Age rating4+12+
Developershinichi tanimotoKeisuke Matsuo

In-app purchases

1 purchases

Kidney Note

Subscriptions1
  • Multiple User Registration7 Days trial$0.991 Month
1 purchases

Low Salt Life

One-time1
  • Remove Ads$1.99

Questions

Is Kidney Note free?
Kidney Note is free to download, with in-app purchases available.
Is Low Salt Life free?
Low Salt Life is free to download, with in-app purchases available.
Do Kidney Note or Low Salt Life have ads?
Kidney Note shows ads; Low Salt Life does not.
Which is updated more often, Kidney Note or Low Salt Life?
Kidney Note ships an update every 9 days, and Low Salt Life every 8 days. Most recently, Kidney Note was updated on October 25, 2026 and Low Salt Life on October 25, 2026.

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