NATTT vs LevelMaster
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
NATTT
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Not Another Time Tracking Tool... but wait! This one is different. There are no timers and no dialogs to create and track time spent on your tasks. Get an overview The Calendar view clearly shows you which days are already tracked. You can filter tasks by category and export your tracked times as XLSX, CSV or JSON file. Track time on tasks In the Day view, type MyTask or MyCategory:MyTask once and NATTT will create a button for you. Tapping it adds 60 minutes by default but you can change this interval if needed. Don't forget to track During your custom working hours, you'll receive push reminders when the interval expires. NATTT won't bother you in the off hours.
LevelMaster
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LevelMaster turns your phone into a precision spirit level and angle meter, using the built-in motion sensor β no extra hardware needed. BUBBLE LEVEL β’ Circular bubble level for flat surfaces β lay the phone on a table, shelf or countertop β’ Bar bubble level for vertical surfaces β hold it against a wall, door frame or picture β’ Automatically switches between flat and vertical modes as you move the device ANGLE METER β’ Large protractor-style gauge with a live degree readout β’ "Set as 0Β°" lets you zero out any starting angle β handy for measuring a slope or a change in angle (e.g. a ramp or a roof) LEVEL ALERT β’ A confirming beep and a light vibration the instant the device becomes level β’ Turn the beep or vibration off independently in Settings CAMERA OVERLAY β’ See a level line through the camera while you hang a shelf, a frame or a piece of art β’ The line turns green the moment it's level CALIBRATION β’ Correct small sensor offsets against a known-level reference, per device MADE FOR EVERYONE β’ Light & dark themes with multiple accent colors β’ English and Japanese β’ Keep the screen on while measuring PRIVACY FIRST β’ Works fully offline. The camera is used only to overlay the level line β nothing is ever captured, saved, or sent anywhere. No account, no cloud, no tracking. Great for DIY projects, hanging furniture after a move, and checking a boat or dock is level while fishing. Note: readings are approximate and depend on your device's sensor. LevelMaster is intended for everyday DIY use, not for professional or regulatory measurements. Free, supported by ads.
Screenshots
Verdict
The clearest difference is update cadence: LevelMaster at every 2 weeks against NATTT's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
NATTT ships an update every 3 months, LevelMaster every 2 weeks. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.
| Parameter | NATTT | LevelMaster |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod, Mac β better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details β not scored | ||
| Size | 20 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | ShipBit UG (haftungsbeschrankt) | Yuki Okawa |
In-app purchases
NATTT
No in-app purchases
LevelMaster
No in-app purchases









