Comparison

Acceleration Unit Converter vs LevelNote

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

Head to head
About

Acceleration Unit Converter

Features
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The Acceleration Unit Converter application converts the input acceleration value into 12 types of units. The unit of conversion is in meter per second squared [m/s^2], gal [Gal], gravitational acceleration [G] and so on. Simply enter the acceleration value and select the unit of acceleration with the unit selection button, the value converted into 12 units will be displayed. Units supported by this application are as follows. 【Unit of Acceleration】 1. m/s^2 2. Gal 3. G (gravitational acceleration) 4. km/h/s 5. mph/s (mile/h/s) 6. mpm/s (mile/min/s) 7. mile/min^2 8. mile/s^2 9. fph/s (ft/h/s) 10. fpm/s (ft/min/s) 11. ft/min^2 12. ft/s^2

About

LevelNote

Features
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LevelNote is a digital field book for leveling on construction sites. With paper-like workflows, you can measure elevations, set out (marking), and manage records quickly. [Key Features] ■ Measurement Mode (Standard) Enter a benchmark (BM) and readings (BS / FS) to calculate instrument height (IH) and elevation (EL) automatically. • Benchmark setup: enter BM and BS • Point measurement: enter FS to calculate EL • Multiple benchmarks during a survey • Select from BM list (Pro): add a saved benchmark • Custom columns: memo and EL offset columns; adjusted EL is shown automatically • Delete points from the toolbar (the first benchmark cannot be deleted) • Custom numeric keypad and auto-focus to the next field • Floating calculator for basic arithmetic ■ Marking / Set-out Mode (Pro) Enter a target elevation (EL) to calculate the required reading (FS) automatically. • Enter target EL; IH and required FS are calculated • EL offset column: shows adjusted EL and updates required FS * Only one EL offset column can be added in Marking • Memo columns for per-point notes • Multiple benchmarks and BM list selection • Delete focused points from the toolbar • Same custom keypad and calculator as Measurement ■ Benchmark (BM) Management (Pro) Save benchmarks you reuse and call them up in Measurement or Marking. • Create / edit name, elevation (EL), photo, and notes • List view and pick-from-list when adding a benchmark • Share benchmarks as files with your team * Recipients need Pro / LevelNote v1.6.0 or later • Import from the Benchmarks screen, or open a shared file in LevelNote ■ Survey Records Save Measurement and Marking data and review it anytime. • Save records (name when leaving; blank names use a date default) • List: name, date, point count, and mode • Detail table including custom columns; resume to continue editing • Swipe to delete; Select for bulk CSV share or delete • CSV export from detail or bulk selection (includes memo / EL offset headers) Share to Files, Mail, and more—useful for Excel and submissions [About Pro] Pro unlocks Marking / set-out and Benchmark management (create, manage, share, import). Available as a monthly subscription or a one-time purchase (no expiration). Subscriptions are charged to your Apple ID and renew automatically unless auto-renew is turned off at least 24 hours before the period ends. Manage or cancel in Settings > Apple ID. Use Restore Purchases if you already bought Pro. [Highlights] • Fully offline—works in tunnels and low-signal sites • Auto calculation of IH, EL, and required FS • Custom columns for memos and EL offsets • Simple, one-handed UI for the field • Digital storage—no lost or damaged paper books • Leveling-focused numeric keypad • Japanese and English UI • Requires iOS 17.0 or later [Data] • Survey data is stored only on your device. • No cloud sync. Deleting the app deletes all saved data. • Back up important data regularly. [Who It’s For] • Leveling on construction sites • Site and quality managers • Teams moving from paper field books to digital • Anyone reducing transcription mistakes • Anyone needing memos or offsets in the field book • Teams that share benchmarks (BM) Make leveling simpler and faster with LevelNote. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Acceleration Unit Converter4 screens
LevelNote4 screens

Verdict

The call

The clearest difference is price: LevelNote at Free against Acceleration Unit Converter's $1.99. LevelNote also leads on update cadence (fortnightly vs every 38 months). Acceleration Unit Converter's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On ads 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

LevelNote is free to download; Acceleration Unit Converter costs $1.99 up front. LevelNote sells 2 in-app purchases, starting at $0.49 per month. Acceleration Unit Converter asks for nothing beyond the download.

UpkeepUpdate frequency

Acceleration Unit Converter ships an update every 38 months, LevelNote fortnightly. The most recent releases landed on September 9, 2026 and September 23, 2026 respectively.

Scorecard5 real differences · 1 level
Acceleration Unit Converter versus LevelNote: the parameters behind the verdict, then further details
ParameterAcceleration Unit ConverterLevelNote
Price$1.99Free — better
Update frequencyEvery 38 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size0 MB11 MB
Age rating4+4+
DeveloperKei SuefujiTadahiro Inoue

In-app purchases

None

Acceleration Unit Converter

No in-app purchases

2 purchases

LevelNote

Subscriptions1
  • LevelNote Pro$0.491 Month
One-time1
  • LevelNote$19.99

Questions

Is Acceleration Unit Converter free?
Acceleration Unit Converter costs $1.99, with no in-app purchases.
Is LevelNote free?
LevelNote is free to download, with in-app purchases available.
Do Acceleration Unit Converter or LevelNote have ads?
Neither Acceleration Unit Converter nor LevelNote shows ads.
Which is updated more often, Acceleration Unit Converter or LevelNote?
Acceleration Unit Converter ships an update every 38 months, and LevelNote fortnightly. Most recently, Acceleration Unit Converter was updated on September 9, 2026 and LevelNote on September 23, 2026.

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