Interpupillary Distance Meter vs Split Flap
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interpupillary Distance Meter
Quickly measure your inter pupillary distance using your iPhone or iPad. Achieve highly accurate results to 0.1mm for both near and far pupil distances. The app features large text for readability and supports dark mode.
- Accurate IPD measurement to 0.1mm
- Near and far pupil distance
- Glasses-free measurement for accuracy
- Large, readable text
- Dark mode support
Read full descriptionHide full description
Measure your inter pupillary distance with your iPhone or iPad in 1 second. • Most accurate measure to 0,1mm • Near and Far pupil distance measurements • Take your glasses off for better accuracy • Large text so you can still read your measurement • Dark mode supported ;)
Split Flap
This utility app displays the time with an elegant split-flap design. It offers customizable themes, supports various time formats, and includes optional sound and seconds display.
- Split-flap time display
- Customizable themes
- 24-hour and 12-hour formats
- Optional seconds display
- Sound options
- Open source
Read full descriptionHide full description
Elegantly show the time. Supports your device's locale - 24 hour formats and 12 hour formats Supports themes Can optionally show the seconds Has sound options Open source
Screenshots
Verdict
The clearest difference is monetization model: Interpupillary Distance Meter at free against Split Flap's paid. Interpupillary Distance Meter also leads on update cadence (every 6 weeks vs every 17 months) and ratings volume (512 vs 6). On price, rating, ads and in-app purchases 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
Interpupillary Distance Meter costs $0.99 and Split Flap $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.6 for Interpupillary Distance Meter against 4.7 for Split Flap. That said, the two scores are not equally well evidenced: Interpupillary Distance Meter has 512 ratings behind it against 6, so its average is the more settled of the two.
Interpupillary Distance Meter ships an update every 6 weeks, Split Flap every 17 months. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.
| Parameter | Interpupillary Distance Meter | Split Flap |
|---|---|---|
| Price | $0.99 | $0.99 |
| Rating | 4.6 (512 ratings) | 4.7 (6 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 512 — better | 6 |
| Update frequency | Every 6 weeks — better | Every 17 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 8 MB | 1 MB |
| Age rating | 12+ | 4+ |
| Developer | Ubicolor Ltd | Zac Gorak |
Customer experience
Interpupillary Distance Meter
Split Flap
Bugs and requests
Interpupillary Distance Meter
Reported bugs
7 issues- Inaccurate IPD readings (up to 10% off)
- Does not work on iPad
- Incompatible with devices without true depth camera
- Cannot read results with glasses off
- App fails to recognize eyes
Show 2 moreShow fewer
- False compatibility information on App Store
- Cannot figure out how to measure near PD
Requested features
4 requests- Allow measurement of near PD
- Improve compatibility information on App Store
- Fix compatibility for iPads and older iPhones
- Allow reading results with glasses on
Split Flap
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Interpupillary Distance Meter
No in-app purchases
Split Flap
No in-app purchases
Questions
Is Interpupillary Distance Meter free?
Is Split Flap free?
Which has better reviews, Interpupillary Distance Meter or Split Flap?
Do Interpupillary Distance Meter or Split Flap have ads?
Which is updated more often, Interpupillary Distance Meter or Split Flap?
Other comparisons
