Comparison

Simple DoF Calculator vs Small Corner

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

Head to head
About

Simple DoF Calculator

This app helps photographers and videographers calculate depth of field, near focus, far focus, and hyperfocal distance. It supports a wide range of cameras and lenses, allowing for real-time adjustments to settings like aperture and focal length.

Highlights
  • Depth of field calculation
  • Hyperfocal distance calculation
  • Near and far focus calculation
  • Real-time setting adjustments
  • Extensive camera support
  • Support for various lens focal lengths and apertures
Features
Read full description

Simple DoF Calculator is a free depth of field calculator, DoF calculator and hyperfocal distance calculator for iPhone and iPad. It helps photographers, videographers and focus pullers calculate near focus, far focus, total depth of field and hyperfocal distance for any setting. Perfect for landscape, portrait, macro, video and cinema work. Choose your camera, aperture, focal length and focus distance to see depth of field calculations update in real time. Aperture range: f/0.95 - f/64. Focal length: 3 mm - 1200 mm. Focus distance: 1 in. - 999 ft. Supported cameras and formats include: Canon 1D (II, III, IV), 1Ds, 1D X, 1D C, 5D, 5DS, 6D, 7D, 10D-90D, 100D-850D, 1000D-4000D, Digital Rebel, XT/XTi, XS/XSi, T1i-T7i, M, M2, M3, M5, M6, M10, M50, M100, M200, R(a), RP, R1, R3, R5 (II,C), R6 (II,III), R7, R8 (II), R10, R50 (V), R100, PowerShot G, S and SX series. Contax N Digital. DxO ONE. Epson RD-1/RD-1S. Fujifilm S1/S2/S3/S5 Pro, HS10/11/20/22/30/33/50, X-Pro1-3, X-H1, X-H2(S), X-T1, X-T2, X-T3, X-T4, X-T5, X-T10, X-T20, X-T30(II/III), X-T50, X-T200, X-E1, X-E2, X-E3, X-E4, X-E5, X-S10, X-S20, X-M5, X70, X100(S/T/F/V/VI), X10, X-S1, GFX 50S, 50SII, 50R, GFX100, GFX100 II, 100S, 100SII, 100RF. Hasselblad H1D, H3DII-22/31/39/50, H4D-31/40/50/60, X1D, X1D II, X2D 100C, X2D II 100C, 907X & CFV 100C. Konica Minolta Maxxum 7D/5D. Leaf Aptus-II and Credo backs. Phase One P30/P40/P45/P65/IQ260/Achromatic. Leica Digilux 3, M8, M8.2, M9(P), M10(P,D), M11(P,D,Mono), Q, Q2, Q3, Q3 43, Q3 Mono, SL, SL2, SL2-S, SL3, SL3-S, SL3-P, M 240, M EV1, X, X2, X-E, T, S2. Nikon D1H, D1X, D2X, D2Xs, D2H, D2Hs, D3, D3x, D3s, D4, D4s, D5, D6, Df, D40-D90, D100, D200, D300(s), D500, D600, D610, D700, D750, D780, D800, D810, D850, D3000-D7500, P520, P530, P600, P7000, P7100, P7700, P900, P950, P1000, J1-J5, V1-V3, Z5 (II)(C), Z6(II,III), Z7(II), Z8, Z9, Z30, Z50(II), Z fc, Z f, ZR. Olympus/OM System OM-1(II), OM-3, OM-5(II), OM-D, E-1, E-3, E-5, E-30, E-300-E-620, E-M1, E-M5, E-M10, E-P1, E-P2, E-P3, E-PL1-8, E-PM1/2, PEN, PEN-F. Panasonic S1(R/H), S1II(E), S1RII, S5(II/X), S9, G1, G2, G3, G7, G9(II), G10, G80/85, G90/95, G97, G100(D), GX1, GX7, GX8, GX85, GH1, GH2, GH3, GH4, GH5(II/S), GH6, GH7, GF1, GF2, GF3, GF5, GF7, L1, L10, LX1, LX2, LX3, LX5, LX7, LX10, LX100, FZ28-FZ2500, TZ5-TZ100. Pentax K-1, K-3, K-5, K-7, K-10D, K20D, K30, K50, K70, K-x, K-r, KF, K-500, K200D, K110D, K100D, K2000, *ist D, 645D, 645Z. Ricoh GR, GR II, GR III, GR IIIx, GR IV, GR Digital. Samsung GX and NX series. Sigma DP1/DP2, Merrill DP1/DP2/DP3, SD1, SD9-SD15, fp, fp L, BF. Sony A100-A900, A5100, A6000, A6100, A6300, A6400, A6500, A6600, A6700, A1(II), A7(II-V), A7C(II/R), A7R(II-VI), A7S(II/III), A9(II/III), SLT A33-A99, RX1/RX1R, RX10, RX100, QX10/QX30/QX100, NEX-3/5/6/7, ZV-E1, ZV-E10(II), HX and H series. Z Cam E1. Analog photo formats: APS, 35mm, half-frame, 6x4.5, 6x6, 6x7, 6x8, 6x9, 6x12, 6x17, 4x5, 5x7, 8x10. Cinema formats: Super 8, 16mm, Super 16, 35mm, 75mm, Arri Alexa, Alexa 65, Alexa LF, Blackmagic Cinema/Pocket/Production 4K, Canon C300, RED One/Epic/Scarlet-X, SI-2K, Sony FS700/F55/F5/F3, 1/4, 1/3, 1/2, 2/3 inch and CoC values. Your camera is not on the list? Let us know and we will add it. You can download new cameras in the app.

About

Small Corner

Easily add professional-looking rounded corners to your photos for social media or personal aesthetic enhancement. Offers intuitive controls, batch processing, and real-time previews for a seamless editing experience.

Highlights
  • Add rounded corners to photos
  • Adjust corner radius (percentage/numerical)
  • Independent corner control
  • Batch photo processing
  • Real-time preview with comparison
  • Customizable dimensions and smoothness
  • Mockup templates for photocard creation
Features
Read full description

This is a powerful yet easy-to-use professional app for adding rounded corners to your photos. Whether you want to give your social media images a personal touch or enhance the aesthetic of your pictures directly on your phone, this app makes it effortless. 【Simple and Intuitive Operation】 With an intuitive user interface, you can process images in just a few steps—no complicated operations required. 【Multiple Processing Modes】 Supports both percentage and numerical modes for adjusting the radius, as well as independent control for each corner, ensuring every image perfectly meets your design needs. 【Batch Processing】 Select multiple photos at once to quickly apply the same rounded corner effect, saving you time and effort. 【Real-Time Preview】 See the results instantly as you adjust the corners, with side-by-side comparison to the original image, so you can be satisfied with every detail. 【Customizable Settings】 Personalize your experience with custom dimensions, file size, smoothness of corners, and more, giving you even greater control over rounded corner processing. 【Multiple Format Support】 Compatible with various image formats such as PNG and GIF, and exports images in both PNG and GIF formats to suit different scenarios, making your creations more versatile. 【Mockup Templates】 A convenient and easy-to-use photocard template tool. Whether you're creating photocard mockups or showcasing collage displays, you can get it done in no time. 【Save and Share】 Easily save processed images to your photo album or share them directly to social media. Your saved records are stored for convenient future viewing and adjustments. 【Small Corner Auto-Renewal Subscription Service Details】 1、 Subscription Service: Professional Version Continuous Package Service 2、Subscription Pricing: Monthly subscription at $0.99/month, Annual subscription at $3.99/year 3、Payment: Purchase will be charged to iTunes Account upon confirmation 4、Your iTunes account will be charged 24 hours before the end of the current period, and the subscription will be extended by one subscription period upon successful payment 5、To cancel subscription, please go to iPhone "Settings" --> "iTunes Store & App Store" --> tap "Apple ID", select "View Apple ID", enter "Account Settings" page, tap "Subscriptions", select "Monthly/Annual Subscription" to cancel. If you don't turn off auto-renewal at least 24 hours before the end of the current period, this subscription will automatically renew Privacy Policy: https://mileson.notion.site/Privacy-Policy-Small-Corner-151e107ce54f804c84eddbb6d2baf485 Terms of Use: https://mileson.notion.site/Terms-of-Use-Small-Corner-246e107ce54f806685edf5e992bf5003 If you enjoy Small Corner, please take a moment to leave us a positive review—we truly appreciate it! Email: libingfeng007@gmail.com

Screenshots

Simple DoF Calculator4 screens
Small Corner3 screens

Verdict

The call

The clearest difference is rating: Small Corner at 5.0 against Simple DoF Calculator's 4.6. Small Corner also leads on review sentiment (100% vs 76%). Simple DoF Calculator's advantage is ratings volume (109 vs 1) and update cadence (weekly vs monthly). On price, ads, in-app purchases and monetization model 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. Simple DoF Calculator sells 4 in-app purchases, starting at $2.99 per 7 days and Small Corner sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Small Corner holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Simple DoF Calculator has 109 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 76% of Simple DoF Calculator's written reviews are positive against 100% of Small Corner's.

UpkeepUpdate frequency

Simple DoF Calculator ships an update weekly, Small Corner monthly. The most recent releases landed on November 10, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
Simple DoF Calculator versus Small Corner: the parameters behind the verdict, then further details
ParameterSimple DoF CalculatorSmall Corner
PriceFreeFree
Rating4.6 (109 ratings)5.0 (1 ratings) — better
Positive reviews75.5% of reviews100.0% of reviews — better
Number of ratings109 — better1
Update frequencyWeekly — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size13 MB75 MB
Age rating4+4+
DeveloperDennis van den BergChaojifeng (Xiamen) Network Technology Co., Ltd.

Customer experience

Simple DoF Calculator

All ratings109 ratings
Positive92.7%
Neutral0.9%
Negative6.4%
Written reviews143 reviews
Positive75.5%
Neutral4.9%
Negative19.6%

Small Corner

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Simple DoF Calculator

Reported bugs

7 issues
  • App crashes on start
  • App freezes and closes
  • Buttons disappear, preventing exit from settings
  • App not working after iOS 8 upgrade
  • App not working after update
Show 2 more
  • App not launching on older iOS versions
  • Purchase not appearing in phone

Requested features

20 requests
  • Add support for Canon R series cameras
  • Add support for Sony a6700
  • Add support for Nikon Zf
  • Add support for Canon R5 Mark II
  • Add support for Panasonic Lumix LX100
Show 15 more
  • Add support for FujiFilm HS20
  • Add support for Nikon D500
  • Add support for Nikon D7000
  • Add support for Canon 60D
  • Add support for Ricoh GR Digital series, GXR
  • Add option to display DoF in inches or millimeters
  • Add option to display 1/3, 1/2, or full f-stops
  • Add a setting for lens tilt calculations
  • Add a camera bag function to store lenses
  • Add ability to adjust circle of confusion diameter
  • Add ability to adjust reproduction ratio
  • Add display of half hyperfocal distance
  • Add option to lock focal length
  • Add manual feet/meter override button
  • Add equivalent focal length for non-full frame cameras

Small Corner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Simple DoF Calculator

Subscriptions4
  • Premium Weekly3 Days trial$2.997 Days
  • Premium Monthly$3.991 Month
  • Premium Yearly$19.991 Year
Show 1 more
  • Premium Yearly7 Days trial$24.991 Year
3 purchases

Small Corner

Subscriptions2
  • Monthly Pro$1.991 Month
  • Yearly Pro$9.991 Year
One-time1
  • Lifetime Pro$19.99

Questions

Is Simple DoF Calculator free?
Simple DoF Calculator is free to download, with in-app purchases available.
Is Small Corner free?
Small Corner is free to download, with in-app purchases available.
Which has better reviews, Simple DoF Calculator or Small Corner?
Small Corner is rated higher. Simple DoF Calculator averages 4.6 out of 5 from 109 ratings, while Small Corner averages 5.0 from 1 ratings.
Do Simple DoF Calculator or Small Corner have ads?
Neither Simple DoF Calculator nor Small Corner shows ads.
Which is updated more often, Simple DoF Calculator or Small Corner?
Simple DoF Calculator ships an update weekly, and Small Corner monthly. Most recently, Simple DoF Calculator was updated on November 10, 2026 and Small Corner on November 4, 2026.

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