WTFat vs Temperature Weight record
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WTFat
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This app has a physics engine and will make you to enjoy recording your body weight/fat! It is fun more than general scaling applications. Enjoy! *** Features *** - Input value to fun. - Graph for your data. (Weight/Fat at the same time) - List for detailed values. - Password settings. *** How to use it *** [ Weight/Fat ] 1. Choose the date. 2. Then, choose the weight you want use. (Also you can change it any time.) 3. Tap the display on the scale until your weight. 4. Push the register button, then done! [ Graph ] You can drag the graph for confirming any day. A pinch scaling feature can be used if you set up the configuration. [ List ] All data you recorded can be shown. If you flick a line, the remove button will be appeared. [ Settings ] - Reset All data can be deleted. You can choose all weights/all fats/both. - Glid Showing any lines can be changed, but I don't recommend using Y line of weight and fat at the same time. - Graph (Pinch scaling) The feature is for the graph, you can pinch in/out on that. - Privacy (Blind) You can blind the display, such as in a train, bus, and public places. (Password) When the app is started you must input password.
Temperature Weight record
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This is an app for recording body temperature and weight and displaying it as charts. You can record body temperature and weight by a date. When body temperature and weight are recorded, they are displayed as charts. You can check the body temperature and weight for each record in line charts. When the app is launched for the first time, the user "no name-xxxxx" is automatically created. The user name can be changed. ▼Record body tempearature and weight 1. Tap the Add button. 2. Select the date and tap Next. 3. Select the time and tap Next. 4. Enter your body temperature, weight and any notes, then tap OK. ▼body temperature Weight charts 1. Tap the chart icon at the top. 2. Tap the chart you want to display from the Monthly chart, Yearly chart, Last 3 months chart, Last 6 months chart, or Full period chart. ▼Delete one record 1. Tap the record you want to delete. 2. Tap Delete from the menu. 3. Confirm the record you want to delete and press the Delete button. ▼Sort Press the ↑↓ button at the top to sort the table by date and time. ▼Show/hide table Press the table button at the top to show/hide the table. ▼Add/Edit/Switch Users 1. Tap the user icon at the top. 2. Add a name from Add User to record them separately. 3. To edit, tap Edit/Delete User and the editing screen will open. 4. Tap the user name in User Selection to switch users. ▼Create PDF file (top right menu) Create a PDF file. You can create a PDF file by specifying the year and month. ▼Dark mode (menu on the top right) Select dark mode ON/OFF from the menu on the top right. Pressing dark mode will switch the screen display to a black-based color scheme. Pressing light mode will return to the normal white-based screen display. ▼Delete all records (menu on top right) You can completely delete all records by erasing all data from the menu on the top right. All app records stored on iCloud will be completely deleted. ・Data transfer when changing device If you are a user with the same Apple ID, the records are stored in iCloud, so the same records will be displayed on the new iPhone/Ipad. It may take some time for the app data to be reflected when you launch it for the first time. 【Terms of Use】 This app complies with the Apple Standard Terms of Use (EULA). Please refer to the link below for details: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Temperature Weight record at Free against WTFat's $1.99. WTFat's advantage is ads (none vs shown) and iOS requirement (14.0 vs 18.6). On 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
Temperature Weight record is free to download; WTFat costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
WTFat ships an update every 4 months, Temperature Weight record every 3 months. The most recent releases landed on May 16, 2026 and September 22, 2026 respectively.
| Parameter | WTFat | Temperature Weight record |
|---|---|---|
| Price | $1.99 | Free — better |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 5 MB | 5 MB |
| Age rating | 4+ | 17+ |
| Developer | yukihiro fujita | YUTAKA IZUMIYAMA |
In-app purchases
WTFat
No in-app purchases
Temperature Weight record
No in-app purchases







