Comparison

Shift Unit vs InsightsScan

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

Head to head
About

Shift Unit

This utility app offers precise unit and currency conversions with over 1400 units across 34 categories. It supports light/dark modes, home widgets, and an independent Apple Watch app. Features include a custom keypad with calculator mode and educational Wikipedia integration.

Highlights
  • 1400+ conversion units
  • 34 categories
  • Light/dark mode support
  • Home widget
  • Apple Watch app
  • Custom keypad with calculator
  • Wikipedia integration
Features
Read full description

Shift Unit is a unit converter designed with usability and numerical precision in mind. It features 1400+ conversion units across 34 categories. It works great in light or dark mode, and as a Home Widget w/ localized number displays. Independent WatchOS app and complications. Operations can be carried out in portrait mode in simple precision (7 significant digits,) or in landscape mode in double precision (14 significant digits.) Conversion formulae use exact definitions of related entities--not approximations. Wikipedia page information can be pulled for categories and conversion units. (Look for info circle.) The custom keypad has a calculator mode, and allows to enter/edit numbers on either side of the conversion. Unit categories include Acceleration, Angle, Area, Bit Rate, Clock, Online Currencies, Data Storage, Area Density, Volumetric Density, Electric Charge, Electric Current, Energy, Volumetric Flow Rate, Force, Frequency, Fuel, Length, Luminance, Lux, Mass Flow Rate, Momentum, Power, Pressure, Radiation Dose, Radioactivity, Radiation Exposure, Speed, Temperature, Temperature Delta, Time, Torque, Typography, Volume, and Weight. Features: - One screen operation minimizing number of gestures - Numbers (digits, decimal/grouping separators, exponent)/time/country names localized to your (or any) region - Current time in 2 out of 439 world cities and see your cities pinned on a flyover map, an educational way of discovering the world through time zones - Weather conditions and forecast for time zone cities - Dedicated accessibility labels and hints for VoiceOver operations - Customizable number entry timeout allowing to enter a new number without having to clear the field. (Turned off when an accessibility feature, e.g. VoiceOver, is on) - Customizable user interface (preferred categories; user interface alignment for left/right-handed entry or 2-thumb operations) - Ability to swap units while keeping initial numerical entry - Category presets for quick change of context, including user preset - Long-press category button to remove, or add a category on the fly - Long-press number field for copy/paste - Paste Mathematical constants (Pi, e, etc.) - Education via Wikipedia pages for categories and conversion units - Currency conversions using online rates - Searchable list of currency rates with possibility to change base rate - Set favorite currencies - Built-in numeric keypad (with calculator mode) to enter numbers on either side of the conversion - Long-press delete key to clear the field in focus - Engineering number format handling - Infinity and negative numbers handling - 7 or 14-digit precision displays (3-digit fractions for currencies) - Searchable list of 1400+ conversion units across 34 categories - On-boarding screens for general operations and for the Currency category (turned off when VoiceOver is on) - Home widget for quick conversions using units selected in the hosting app Happy Conversions!

About

InsightsScan

This utility app uses AI to extract and summarize text from photos of documents, receipts, and notes. It transforms images into organized, easy-to-read bullet points, providing quick access to key information.

Highlights
  • AI text scanning from photos
  • Instant summarization of key info
  • Organized bullet point output
  • Scans documents, receipts, notes
  • Offline scanning capability
Features
Read full description

Turn any photo into clear, organized insights in seconds. InsightsScan uses advanced AI to scan text from photos, documents, receipts, menus, notes, and more — then instantly summarizes the key information in easy-to-read bullet points. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Shift Unit4 screens
InsightsScan1 screens

Verdict

The call

The clearest difference is in-app purchases: Shift Unit at none against InsightsScan's 2. Shift Unit also leads on ads (none vs shown) and ratings volume (21 vs 6). InsightsScan's advantage is update cadence (fortnightly vs every 2 months). On price, rating, review sentiment 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. InsightsScan sells 2 one-off in-app purchases. Shift Unit asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Shift Unit against 5.0 for InsightsScan. Both are backed by a comparable volume of ratings — 21 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Shift Unit ships an update every 2 months, InsightsScan fortnightly. The most recent releases landed on September 21, 2026 and September 26, 2026 respectively.

Scorecard5 real differences · 5 level
Shift Unit versus InsightsScan: the parameters behind the verdict, then further details
ParameterShift UnitInsightsScan
PriceFreeFree
Rating5.0 (21 ratings)5.0 (6 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings21 — better6
Update frequencyEvery 2 monthsFortnightly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, Apple WatchiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size20 MB10 MB
Age rating4+4+
DeveloperDidier BurtonChi Chen Lee

Customer experience

Shift Unit

All ratings21 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

InsightsScan

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Shift Unit

No in-app purchases

2 purchases

InsightsScan

One-time2
  • Premium Monthly$2.99
  • Premium Yearly$19.99

Questions

Is Shift Unit free?
Shift Unit is free to download, with no in-app purchases.
Is InsightsScan free?
InsightsScan is free to download, with in-app purchases available.
Which has better reviews, Shift Unit or InsightsScan?
Shift Unit and InsightsScan are both rated 5.0 out of 5 on the App Store, from 21 and 6 ratings respectively.
Do Shift Unit or InsightsScan have ads?
InsightsScan shows ads; Shift Unit does not.
Which is updated more often, Shift Unit or InsightsScan?
Shift Unit ships an update every 2 months, and InsightsScan fortnightly. Most recently, Shift Unit was updated on September 21, 2026 and InsightsScan on September 26, 2026.

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