Comparison

Simple Negative Image vs 28Rcam

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

Head to head
About

Simple Negative Image

Easily invert image colors to create unique artistic effects. This tool allows for the inversion of negatives and positives, transforming ordinary photos into tasteful art-like creations. Perfect for users seeking straightforward image processing.

Highlights
  • Invert image colors
  • Create unique images
  • Generate art-like visuals
  • Process images easily
  • Invert negatives and positives
Features
Read full description

A simple function application that only inverts the color of the image By inverting colors and inverting negatives and positives, you can create unique images and tasteful art-like images. For those who want to process images easily

About

28Rcam

Capture your travels with a fixed 28mm lens and overlay location, date, and map details onto your photos. Choose from film-like filters, adjust color temperature, and add custom text in magazine-style fonts. Edit existing photos with the same effects.

Highlights
  • Fixed 28mm equivalent focal length
  • Overlay location, date, and map data
  • Film-style filters and high-contrast black and white mode
  • Adjustable color temperature
  • Multiple aspect ratios (4:3, 16:9, 1:1)
  • Magazine-style font for comments
  • Apply effects to existing photos
Features
Read full description

28Rcam は、28mm(35mm換算)相当の単焦点で旅やまち歩きを切り取るカメラです。 訪れた場所の地名・座標・国境/都道府県の地図アウトライン・撮影日時を、フィルム調の一枚に焼き込みます。 ■ 特長 ・28mm 相当の固定画角で、旅のスナップに集中 ・地名・座標・日付・地図を写真に焼き込み(表示はすべて個別にオン/オフ可) ・フィルム調(コントラスト・粒状・周辺減光)+ ハイコントラスト白黒モード ・色温度(寒色)調整 ・4:3 / 16:9 / 1:1 のアスペクト比、横位置にも対応 ・雑誌風の書体でコメントを焼き込み(明朝/ゴシックを選択) ・地図は都道府県/州レベルまで細かく描画、ピンチでズーム ・フォトライブラリの写真を取り込んで同じ加工を適用 旅先のいまを、その場所と時間ごと一枚に。シャッターを押すだけで記録が残ります。 ※ 地名取得・周辺検索には Apple の地図サービスを利用します。トラッキング・広告・解析は行いません。

Screenshots

Simple Negative Image3 screens
28Rcam4 screens

Verdict

The call

The clearest difference is price: Simple Negative Image at Free against 28Rcam's $0.99. Simple Negative Image also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). 28Rcam's advantage is ads (none vs shown) and update cadence (every 5 days vs every 2 months). On 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

CostPrice · In-app purchases · Ads · Monetization

Simple Negative Image is free to download; 28Rcam costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Simple Negative Image ships an update every 2 months, 28Rcam every 5 days. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

Scorecard6 real differences · 4 level
Simple Negative Image versus 28Rcam: the parameters behind the verdict, then further details
ParameterSimple Negative Image28Rcam
PriceFree — better$0.99
Rating4.5 (115 ratings) — better—
Positive reviews56.3% of reviews—
Number of ratings115 — better—
Update frequencyEvery 2 monthsEvery 5 days — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size34 MB10 MB
Age rating4+4+
DeveloperRyouhei AzumaDaisaku Harasaki

In-app purchases

None

Simple Negative Image

No in-app purchases

None

28Rcam

No in-app purchases

Questions

Is Simple Negative Image free?
Simple Negative Image is free to download, with no in-app purchases.
Is 28Rcam free?
28Rcam costs $0.99, with no in-app purchases.
Do Simple Negative Image or 28Rcam have ads?
Simple Negative Image shows ads; 28Rcam does not.
Which is updated more often, Simple Negative Image or 28Rcam?
Simple Negative Image ships an update every 2 months, and 28Rcam every 5 days. Most recently, Simple Negative Image was updated on October 12, 2026 and 28Rcam on October 9, 2026.

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